Max, author at GWP - Material Technology

Materials testing in Saarland – a look behind the scenes

Fracture surfaces of tensile specimens made of aluminum

In recent years, tens of thousands of tensile specimens have been manufactured and tested at our site in Saarland. The attached image was taken by chance during a visit by Dr. Julius Nickl to our materials testing department – it shows a small section of drawn aluminum specimens. These tests focus on parameters such as tensile strength, elongation, and necking. They are crucial for determining the […]

Efficiency begins in the details: Trucks completely disassembled – for maximum insights and cost advantages

Efficiency begins in the details: Trucks completely disassembled – for maximum insights and cost advantages. At a time when efficiency and cost awareness determine market success, we offer our customers a unique service: the complete disassembly and analysis of entire trucks. Our goal is clear: We deliver reliable, data-driven insights that reveal direct savings potential – without compromise […]

Consulting and benchmarking for the purchase of new waste containers for public spaces

Waste bins are essential elements in public spaces that must be both functional and aesthetically pleasing. However, the requirements for these bins go far beyond the obvious – they must be robust, durable, and resistant to various stresses. When a municipality faced the challenge of purchasing new waste bins for its streets and squares, […]

Interface coordination in the transition from prototype to series production in vertical farming

In the dynamic world of vertical farming, innovation is the key to success. However, when a startup takes the step from prototype development to series production, it faces a multitude of challenges. Such a transition requires not only technical know-how but also precise interface coordination between various areas such as material procurement, coating technology, and material and cost optimization. […]

Introduction of a new testing process for quality control of aluminum engines

In today's highly competitive manufacturing landscape, it is crucial to continuously optimize processes to both reduce costs and increase quality. A striking example of our continuous innovation is the successful implementation of a new testing process for quality monitoring of aluminum engines (foundry) for one of our customers. The starting point: Quality testing challenges. Our customer, a […]

Foreign substances in plastic recyclate

Introduction Recycled plastics must meet specific material properties in order to be used in industrial applications. In this case, a regranulate examined did not show the required mechanical properties. The aim of the analysis was to quantify foreign substances in the recyclate using chemical and thermal characterization. Analysis and results 1. Material determination using FTIR spectroscopy The main component of the recyclate is […]

Emission analysis of a flat roof foil

Introduction Flat roof membranes made of plastic are often used as sealing materials in construction. In this case, a PVC-based roof membrane was examined that causes a strong odor nuisance when exposed to sunlight. The aim of the analysis was to characterize the material and to determine organic and inorganic pollutant emissions. Analysis and results 1. Material determination using FTIR spectroscopy The flat roof membrane consists of polyvinyl chloride (PVC) with […]

Characterization of impurities in recycled polystyrene

Problem: The recycled high-impact polystyrene (HIPS) does not meet the required mechanical properties, especially with regard to impact resistance. Analysis and results: Two thermal analysis methods were used to identify and quantify foreign substances: Dynamic differential calorimetry (DSC): Detection of foreign polymers in the recyclate. Melting transitions of HDPE (0,7%) and PP (4,2%) were identified. Thermogravimetry (TGA): Determination of inorganic components in the […]

Investigation of the filler content in filter plates

Problem: To characterize membrane filter plates for recycling, the filler content and material composition were investigated. Investigation strategy: A step-by-step analysis of the particle structure and composition was carried out. Results: Material determination using FTIR spectroscopy: The filter plates are made of polypropylene (PP). Determination of the filler content in GRP using thermogravimetric analysis (TGA): The mass loss is 72 mass%. This results in a filler content of […]

Investigation of the cause of a cable break

Problem: Under mechanical stress, the cable insulation breaks and peels off the copper wire. Investigation strategy: An electron microscopic fracture and defect analysis with material characterization was carried out for damage analysis. Results: SEM-EDX analysis of the fracture point: Insulation material is a fluorinated plastic. Damage pattern shows a violent fracture. Material identification using FTIR: Plastic was identified as PTFE. No foreign substances or contamination found. Determination of the […]

Materials Symposium 2025 – 26/27 March

We are pleased to announce that the Materials Symposium 2025 promises to be an outstanding event in the world of materials science and technology. The two-day event will be dedicated to interdisciplinary damage analysis in technology. Cross-industry experts will present their innovative approaches and methods in damage analysis and discuss them together. Look forward to a […]

Investigation of crack formation in welded forks of a forklift truck

Problem: In the test runs, the welded forks of a forklift truck were subjected to a pressure-induced stress test to simulate the alternating picking up and setting down of loads. During this test, cracks formed in the area of the weld seams. Test results: After the cracks opened, the depth of the material bond in the weld seams (load-bearing cross-section) was visible. In all samples […]

Product testing of waste containers: Development of a test instruction

Creation of a test specification for assessing the quality of waste containers for public transport areas As part of the development of a test specification for assessing the quality of waste containers for public transport areas, the GWP has created a test design that is based on recognized test standards and specifies the relevant test criteria for product evaluation. The aim of the tests was to compare […]

radiation hardening of CFRP

Aim of the research project (BMBF reference number: 03MAI07B) The research project funded by the BMBF aimed to develop, build and test an innovative applicator to simplify CFRP production and repair. This particularly applies to applications in automotive engineering and aerospace. The applicator should make the production process more efficient by eliminating the need for previous, complex […]

Thermal Runaway in Lithium-Ion Batteries: Gas and Solid Emissions

Problem In the event of a thermal runaway in lithium-ion battery cells, various gases and solids are released that can have potentially harmful properties. Understanding these emissions is crucial to minimising risks to people and the environment. Process description A thermal runaway can be triggered in the laboratory by deliberately heating the cells. At temperatures above 150°C, gases and solids form in the […]

Short circuit: Analysis of a conductive foreign body

Investigation of a short circuit due to a foreign body Problem A failure was detected by the customer due to a short circuit. After a CT scan, a foreign body was identified in an assembly. The foreign body was located in the area of the soldering and was detected as a metallic particle. The particle was recovered and cleaned for further analysis. Investigation of the foreign body The recovered foreign body […]

Crystallinity of plastics: embrittlement

Topic: Investigation of thermal material properties Determination of the crystallinity of plastics Problem The product has an undesirably high level of brittleness and is therefore unsuitable as a packaging material. The aim is to identify the causes of the brittleness and to improve the material properties. Strategy To solve the problem, a chemical and thermal characterization of the plastic was carried out in order to […]

Corroded exhaust pipe: analysis of deposits

Investigation of deposits in a water-cooled exhaust pipe When investigating a water-cooled exhaust pipe that had become leaky due to hole formation, soot deposits were found inside that contained not only carbon but also iron oxides such as goethite (Fe₂O₃·H₂O) and hematite (Fe₂O₃). The aim of the investigation was to determine the chemical and structural composition of the deposits and to identify possible causes for the […]

Contamination detection with ToF-SIMS

Bonding as a joining process of the 21st century Bonding is often referred to as the joining process of the 21st century. A key advantage of this process is that it can theoretically join almost any combination of materials. In practice, however, this requires extensive research to select the optimal combination of surface pretreatment and adhesive. In many cases, such tests are not possible due to […]

Determining the origin of water ingress: rain or condensation?

Determination of the origin of penetrating water: rain or condensation

The aim of the investigation was to clarify the origin of the water leaking from a false ceiling on the upper floor of an office building. Isotope analysis has proven to be particularly suitable for identifying water bodies of different origins. By determining the relative proportions of the heavier water isotopes ²H and ¹⁸O in the sample water, these can be assigned to different sources. This allows […]

Fire of solar power modules: Analysis of emitted dust and gases

The aim of the study was to determine the concentrations of heavy metals, in particular the RoHS-relevant substances. The task was to measure the dust and gaseous emissions for the first time. Since there are no existing regulations or standards for carrying out these measurements or for limit values, an accredited analysis method was used that is often used to determine airbag emissions. In addition, […]

Material analysis of a particle in a medical end product

Material analysis, particles, plain bearings, plastic, HDPE, composition, aging, REM, EDX, FTIR Topic Characterization of impurities: Material analysis of a particle in a medical end product Problem Particle of unknown origin Strategy Step-by-step characterization of the particle in terms of structure and composition Step 1 Light microscopic examination and isolation of the particle Particle has a fibrous structure and is semi-transparent Step 2 First characterization of the particle using REM-EDX It is […]

Aging of plastics: diesel tanks made of PE

The diesel tanks made of two different PE materials were treated with UV fluorescent lamps. The weathering period was 500 hours. To evaluate the aging, impact tests were carried out in accordance with DIN EN ISO 179-1:2010-11 before and after weathering. For many products, the technical application requires them to be resistant to artificial weathering, especially UV radiation. In this case, "resistant" is understood to mean [...]

Estimation of the carbon content in low-alloy and unalloyed steels using small samples

For very small samples, the usual analytical methods for determining carbon are difficult to use. For many methods, the sample quantity is simply not sufficient. However, we can estimate the C content. One possible solution is to estimate the carbon content in the micrograph. Microscopic examination of the carbide formation in very small samples made of low-alloy and unalloyed […]

GWP Academy launches new website

GWP Academy - Training in Materials Testing

Discover our expanded offering! The GWP Academy proudly presents its new, user-friendly website! Our platform is now available at https://academy.gwp.eu/ and offers a variety of new features and events for anyone who wants to further their education in the areas of materials engineering, quality assurance and testing methods. With the new website, we want to offer you an even better online experience. […]

Abrasive particles

Abrasive particles can cause significant problems in technical systems, especially in areas where friction occurs. It is therefore often crucial to prevent the ingress of such particles and to check them regularly. Below you will find important information about the properties and risks of abrasive particles. Properties of abrasive particles During the operation of technical systems, […]

Sample preparation for particle analysis

ParticleCheck sample filtration particle analysis

Samples for particle analysis often have a wide variety of properties, which requires a flexible approach to sample preparation. Depending on the type of sample, various methods are available to obtain the particles for analysis and to prepare them optimally. Particles in liquids are typically isolated by centrifugation and subsequent decantation. An alternative is to use a […]

What can be imaged using CT and when does it become difficult?

Possibilities and Limitations of Computed Tomography GWP Laboratory

Industrial computed tomography at GWP: The possibilities and limitations In order to create precise volume images, GWP uses computed tomography (CT), a technology that takes a series of radiographic images from a variety of angles. Ideally, the recording area covers 360° so that the object is completely captured from all sides. This is essential in order to achieve a comprehensive and […]

SZ Interview with Dr. Nickl: “You have to know what you are doing”

In the Süddeutsche Zeitung, Dr. Julius Nickl talks about the safety-related work of his laboratory, which tests civilian pyrotechnics and explosives, such as airbags, for their functionality. In an insightful interview with the Süddeutsche Zeitung, Dr. Julius Nickl talks about the safety-related work of his laboratory, which tests civilian pyrotechnics and explosives, such as airbags, for their […]

Investigation of packaging: strength differences in paper-plastic composites

Problem: Suspected counterfeiting In a recent study, samples of packaging made of paper with plastic film showed different behavior under mechanical stress. The suspicion was expressed that some of this packaging could be counterfeit. In order to analyze the differences in strength of the materials, GWP was commissioned to carry out comprehensive laboratory tests. Procedure: Mechanical […]

Solar power module fire: analysis of dust and gas emissions

Problem: First-time determination of emissions without standards As part of this study, the dust and gaseous emissions from solar power modules were to be determined for the first time, as there are currently no regulations or standards for implementation or for setting limit values. An accredited method was used for gas and dust analysis, which is often used to determine airbag emissions. […]

Investigation of thermal material properties: Determination of the crystallinity of plastics

Problem: Brittleness of packaging material A plastic product that was originally intended as a packaging material was found to be brittle and therefore unsuitable for this purpose. To determine the cause, a comprehensive chemical and thermal characterization was carried out to determine the transition temperatures and enthalpies of the material. Strategy: Step-by-step material analysis To solve the problem, a step-by-step investigation procedure was used […]

Metallic materials in orthopedic surgery: quality characteristics and material analysis

In orthopedic surgery, metallic materials are often used for bone and joint replacement implants. Titanium alloys, cobalt-chromium-molybdenum alloys and stainless steel are particularly common. These materials are characterized by their high strength, toughness and corrosion resistance, which makes them ideal for long-term, load-bearing applications. In addition to the chemical composition, the surface quality and microstructure also play a decisive role in the [...]

Characterization of impurities: material analysis of a particle in a medical end product

Problem: Unknown particle in a medical end product In this case, a particle of unknown origin was discovered in a medical end product. The challenge was to determine the structure and composition of this particle in order to identify its source and possible impact on the product. Strategy: Step-by-step characterization of the particle The GWP has a step-by-step approach to […]

Analysis of streaks on PA 66 spacer rollers: causes and solutions

The customer sent GWP two spacer rollers made of PA 66 for examination. Streaks were visible on their surfaces. The aim of the examination was to analyse the type and origin of the streaks. First, the parts were documented macroscopically. In order to examine the streaks more closely, a cross-cut was made with a scalpel. A fluorescent […]

Sticks or doesn't stick: Analyze contamination

Adhesive joints and the detection of contamination: Efficient solutions with GWP In many cases, detailed investigations of adhesive joints are not possible due to time or cost constraints, which can lead to problems with adhesion. GWP has proven to be a reliable partner in the past and can identify components that impair adhesion in the event of damage and also carry out preliminary […]

Safe decommissioning of batteries for further investigation

We offer safe dismantling of batteries for further examination, especially after complete discharge. Dismantling, i.e. dismantling the battery into its individual components, takes place under controlled conditions to ensure maximum safety and to minimize potential hazards from residual charges or chemical reactions. Our approach to dismantling: Complete discharge: Before […]

Computed tomography – How do we check whether we are right?

reference sample for computed tomography

A ring test is usually used to check the accuracy and reliability of measurement methods. Several laboratories or institutions independently carry out measurements on the same samples in order to evaluate the consistency of the results. The GWP 2D/3D measurement laboratory successfully participated in a ring test on computer tomography (CT), which involved the measurement of […]

Failures of SMD components, e.g. due to cracking of intermetallic phases in the solder

Failures of SMD components, e.g. due to cracking of intermetallic phases in the solder.

Burning of batteries of boat engines and vibration motors of massage chairs

Defective fuses on irons due to the use of primary crystal forming alloy

Increased contact resistance of connectors due to contamination with silicone-containing pulling aids

Failures of integrated circuits for high beam: glass formation on contact surface

Recall: Increased contact resistance at airbag connectors

Errors in Au electroplating lead to oxidation of exposed nickel: damage to printed circuit boards

Materials scientist (m/f/d) / Metallographer (m/f/d)

Etching according to Klemm Ferritic sheet

Permanent position, full-time · Munich Knowledge creates progress Become a part of our knowledge and skills company of the future in Zorneding! Your tasks Technical support of employees in our materialography Order processing: creating test plans, carrying out tests and analyses, creating test reports and expert opinions Procedures: materialography, light microscopy, scanning electron microscopy, hardness testing Support of customers and large projects in the area of […]

Engineer for Failure Analysis and Materials Technology (m/f/d)

Fracture surface examination Macroscopic features

Permanent position, full-time · Munich Knowledge creates progress Become a part of our knowledge and skills company of the future in Zorneding near Munich! Your tasks You carry out systematic damage analyses on our customers' technical components. You are responsible for assessing components, stresses, material properties and microstructures of mainly metals, polymer and composite materials. You are independently responsible [...]

CT Applicator (m/f/d) Permanent position

Industrial-Computed-Tomography-X-Ray-Tubes-Nano-and-Micro-Focus

Knowledge creates progress Become a part of our knowledge and skills company of the future in Zorneding! Your tasks Operative work on customer orders from quality assurance and damage analysis Customer service Creation of high-resolution 3D volume scans on modern µ-focus CT systems Data preparation and evaluation with VG STUDIO Processing of interdisciplinary, technical questions in the team, e.g. materialography, analytics, material testing Recording and plausibility […]

Particle analysis – preparation and examination of various sample types

Preparation and examination of various sample types A large number of different samples can be examined in the GWP. The preparation is crucial here. The following sample types are examined as standard using scanning electron microscopy with energy-dispersive X-ray micro-area analysis (SEM-EDX) for inorganic components, and partly using Fourier transform infrared spectroscopy (FT-IR) for organic components as part of ParticleCheck: Dust and powder (SEM-EDX and FT-IR possible) Coatings and deposits […]

Material identification of the particles: The elements in the EDX spectrum:

The elements displayed in the spectrum of the energy-dispersive X-ray micro-analysis are used to identify particles. In this chapter you will find further information on material assignment and interpretation of the EDX spectra. The EDX analysis The examination using energy-dispersive X-ray micro-analysis (EDX) helps to assign a particle to materials. The characteristic X-ray radiation of each element is shown in a spectrum. […]

Interesting: Abrasive particles

Metal chip analysis of the composition of the particle

Abrasive particles can cause massive problems, especially in systems that rub against each other. It is therefore often particularly important to avoid and check for entry. Some information on abrasive particles is summarized below. Properties of abrasive particles In most technical systems, mechanical abrasion of some components occurs over time. This often leads to […]

Complaints processing in body press shops

GWP has implemented an immediate service for one of its customers in the bodywork press shop sector to efficiently and quickly process complaints. This service was specially developed to enable a quick and precise root cause analysis in the event of errors in the press shop production, such as cracks or surface defects, and thus to reduce production interruptions to a minimum. If there is a problem in the […]

testing laboratory for fiber composite materials

Establishment and operation of a test laboratory for fiber composite materials for the i3 and i8 project. In 2013, GWP set up a complete test laboratory in Leipzig specifically for the requirements of the customer BMW to support the development projects of the i3 and i8. The laboratory was geared towards the testing and characterization of fiber composite materials, in particular CFRP structures (carbon fiber reinforced plastics) […]

Recall: Gold plating of airbag connectors with too high contact resistance

A few years ago, one of our customers was faced with a potentially wide-ranging recall affecting thousands of vehicles. The reason for this was that the airbag warning light came on in some vehicles around six months after delivery. An initial analysis showed that the control unit was registering infinite resistance in the wiring. We were then commissioned to investigate the cause of the problem […]

Scotland Yard commissioned the inspection of the airbag of the accident car Lady Di

Scotland Yard airbags from the crashed car Lady Di

In 2008, GWP experts were commissioned to investigate the airbag in the car in which Princess Diana, better known as Lady Di, lost her life. As part of this sensitive and significant investigation, GWP worked closely with the British authorities to determine possible causes of the accident and how the airbag worked.

airbag emissions

Airbag emissions: Creation of the industry standard for the measurement of gases, dusts and acoustics (AK-LV)

White Paper: EFFECTIVENESS OF HEAT-REFLECTING ADDITIVES

FACADE PAINT: EFFECTIVENESS OF HEAT-REFLECT ADDITIVES In summer, dark facade paints often cause large areas to heat up undesirably. There are paints on the market that promise to reflect heat. We determine the effectiveness of these additives in field experiments (own method development) and find major differences. Download the white paper

Dummy News from the Gas Laboratory

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NEW Investigation of plastics using Karl Fischer coulometry

Karl Fischer coulometry GWP analytical substance

With the help of Karl Fischer coulometry, water content can be determined down to trace levels, and the use of a state-of-the-art furnace system enables the determination of both liquid and solid samples. The KFC is used along the entire production chain in technical development, quality assurance, and error and damage analysis.

Successful monitoring audits by DAkkS in the GWP plastics laboratories

The regular monitoring audits of our laboratories (fire laboratory, environmental simulation, analytics and surface testing) by DAkkS took place in December 2021 and February 2022. Once again, the high level of competence of our GWP employees was confirmed and the management system was praised. Take a look at our current certificate.

Certania invests in GWP Technologie

Certania is participating in GWP Technologie – this is the starting point for the “Material Science” cluster in the Certania Group. Complementary, excellent service providers are being included in GWP Technologie in order to be able to offer material technology services along the product life cycle in the manufacturing industry. This synergy creates enormous benefits for customers! CERTANIA The CERTANIA Group www.certania.de is a […]

Steel parameters for 3.1 certificates

A “3.1 Certificate” or “EN 10204 3.1 Certificate” is a document used in the quality control and testing of materials and products, especially in industries such as manufacturing, engineering and materials testing. This certificate confirms the conformity of a product or material to the established technical specifications and standards. Here is some important information […]

Battery Abuse Testing Workshop

Battery testing experts from GWP took part in the "Battery Abuse Testing" workshop. On February 07, 2022, our business partner Weiss-Technik GmbH organized a one-day expert workshop on the topic of battery abuse testing. The focus of the professional exchange was not only the compilation of requirements and customer requests for the development of a test environment, but also the current results and analyses from a [...]

Engineer Materials Science (m/f/d)

You too can become a part of our knowledge and skills company of the future! Your tasks: Processing customer inquiries: technical clarification, commercial offers, invoicing. Verification of standardized test procedures and development of customer-specific tests. Practical order processing and compilation of test results. Carrying out material technology tests and materialographic analyses. Creating test and test reports. Creating marketing documents, supporting sales. Your profile [...]

tensile testing machines 250kN

The AllroundLine is our individual and versatile testing machine. It is available as a floor testing machine (with the models Z100, Z0150 and Z250) and as a table testing machine (models Z010, Z020, Z030, Z050, Z100, Z150). The AllroundLine is suitable for applications in all areas. A proven operating concept in combination with a flexible and modular load frame design guarantees an optimal solution for [...]

impact pendulum deLUX

Impact testing machines help to determine the failure behavior of materials or components under rapid loads and at changing temperatures. All materials are

Zwicki

Crystallinity of semi-crystalline substances, solid-liquid behavior, solid-solid transformations, specific heat capacity, glass transition, cross-linking reactions, onset of decomposition, oxidation stability, material identification

DSC 204 F1 Phoenix®

Our dynamic differential scanning calorimeters are suitable for: determination of melt crystallization, polymorphism, phase diagrams, eutectic purity, crystallinity of semi-crystalline substances, solid-liquid behavior, solid-solid transformations, specific heat capacity, glass transition, cross-linking reactions, onset of decomposition, oxidation stability, material identification.

Certania acquires a stake in CERTANIA Materials Science GmbH

Certania is participating in the CMS CERTANIA Materials Science GmbH – this is the starting point for the “Materials Science” cluster in the Certania Group. Complementary, excellent service providers are being included in the CMS in order to be able to offer materials technology services along the product life cycle in the manufacturing industry. This synergy creates enormous benefits for customers! CERTANIA The CERTANIA Group […]

Managing Complexity in Materials Science

Hybrid service bundles newspaper articles

GIT Laboratory Journal: Digitizing complex materials science requires an immense amount of energy, staff and money. The GWP reports on its experiences in this article. Read the article

Tensile testing of chains in mechanical engineering

Tensile testing of chains is a process that tests the strength and resilience of chain materials. Chains are used in a variety of applications including lifting equipment, conveyor belts, vehicle drive systems and more. Tensile testing is used to ensure that the chains can withstand the expected loads without breaking or deforming. Here is a general description […]

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Mechanical material testing GWP laboratory broken tensile specimen

Tensile testing of implant screws is an important test method to evaluate the mechanical properties and strength of screws used in medical implants. These screws are often used in orthopedics, dentistry and other areas of medicine to stabilize or fix bone or tissue. It is crucial to ensure that they meet the […]

That's why the resistance is so high...

The GWP plastics laboratory offers fire tests that answer precisely these questions. We test and assess the burning behavior of materials that are used, for example, in vehicle interiors. The purpose of these tests is to determine the burning speed when exposed to a defined ignition flame or to classify the flame retardancy and fire safety. Standards: DIN 75200, FMVSS 302 / CMVSS […]

Original or fake….

As in the last rounds, the GWP plastics laboratory's analytical department was able to determine the filler content ISO 2022, the glass transition temperature ISO 11358-11357 and ASTM D2, the melting point and enthalpy ISO 3418-11357 and ASTM D3 very successfully in 3418. In our modern analysis laboratory, we rely on devices from market leaders such as the DSC 204 F1 Phoenix® or DSC […]

Ageing of plastic: How the mechanical properties change

We let prototypes made of plastic (ABS-based) age for one week: The test cycle included the following temperature changes – Temperature Ta -20 °C – Temperature Tb+50 °C – Holding time for each temperature 1 h – Transfer time: 1 h – Humidity: 95 % After just 7 days, clear changes in terms of strength and elongation values are apparent. The strength increases […]

testing of automotive interiors

Well-known car manufacturers and suppliers rely on the test results of the GWP plastics laboratories. Interior components are subject to a wide range of requirements. Requirements such as fire behaviour, colour fastness or media and scratch resistance all play a role. Instrument panels, airbag covers, centre consoles, door panels or switches - before these and similar components are installed, we test them according to international test standards or the common [...]

Measurement Technology in Plastics Technology

With our 3D scanning and scanning technology we can check the dimensional accuracy of your parts. It helps, for example, to uncover the causes of damage. The precise, fast, mobile and versatile measuring tool complements the typical GWP methods such as SEM, CT or metallography. If you have any questions about the examination options using HandySCAN 3D, please contact our specialist Jannes [...]

Roof damage – the rain was faster than glue

On a flat roof, a plastic roof sheet was connected to the aluminum sheet and properly glued, including seam sealing. But a summer rain cooled the polymer sheet and the aluminum so much that the bond, which had not yet been fully aired, was still doughy and could no longer absorb the tensile forces caused by the contraction of the materials. Our materialography provided the evidence, [...]

Investigation of the fire behavior of vehicle components for electromobility

We are proud to be able to support the BMW Group's decision-making process in the development of vehicle components for electromobility: This is what our customer says: A testimonial from the BMW Group: "The laboratories and experts at GWP were able to support us with their outstanding expertise, experience and technical equipment in establishing the scientific basis for the fire behaviour of plastic components [...]

New Gas Chromatography GC

The (GC) expands the analytical portfolio of the GWP plastics laboratory. Coupled with highly sensitive flame ionization detection (FID), the GC-FID combination enables the detection and quantification of organic compounds in trace amounts. The new possibilities thus allow, for example, the investigation of aging and boiling range of lubricating greases, quantification of plasticizers and pollutants in plastics and the determination of organic contamination.

Successful monitoring audits by DAkkS in the GWP plastics laboratories

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Investigation of plastics using Karl Fischer coulometry

Microbial degradability of plastics

The ban on single-use plastic items within the EU is intended to put a stop to the pollution of the environment with plastic waste and microplastics. To investigate the biological and microbial degradability of various materials in the environment and during composting, the GWP plastics laboratory at the Leipzig site is now pleased to offer you laboratory tests under oxygen exclusion (anaerobic) and oxygen access (aerobic) in accordance with international [...]

Additive manufacturing of plastic parts

Material analysis: The properties of the starting material are of crucial importance for the subsequent additively manufactured component. In 3D printing, the material influences, for example, the precision, the component quality and the repeatability. The GWP plastics laboratory characterizes its starting materials using modern analysis methods. Surface analysis: The surface has a major influence on the appearance and the service life under dynamic load. The GWP can […]

Uniform shine in any light

Measuring the gloss level of high-gloss metallic samples is not easy due to multiple refractions on the sample surface. In the following, a round robin test was carried out to measure the gloss and color of chrome-plated trim parts from a luxury car. Three manufacturers of color and gloss measuring devices took part. The results of the three manufacturers differ in the gloss level G of the highly polished […]

Computer tomography on plastic parts

Computer tomography for characterizing plastics and plastic products Typical applications of our laboratory services in the field of CT are: -Verification of pores and bonding defects -Geometric measurements of internal structures -Analysis of wall thicknesses -Localization of internal defects -X-rays of plastic injection molded parts or encapsulated components -Examinations of fiber content and fillers -Characterization of fiber composite materials (fiber angle analysis) -Evaluation of foam structures and "OPENING SURPRISE EGGS WITHOUT […]

ISL, GWP and XYLON: New cooperation for materials testing

The Saarwellingen logistics specialist ISL Group, the Saarland branch of the Munich materials testing company GWP in Dillingen and the Hamburg manufacturer of computer tomography systems XYLON International GmbH recently sealed a close collaboration. Read the entire article here PDF

The stress testers

In Zorneding, damaged and destroyed industrial parts are examined, but also precautionary analyses are carried out. An article from the Süddeutsche Zeitung. Read the entire Antikel here PDF

40 Years of GWP: From Laboratory to Full-Service Provider

"40 years ago my father bought a scanning electron microscope and threw my model railway out of the basement" - that's how GWP started. He was initially enthusiastic about tricky questions about metals and was "crazy" about great solutions for customers. We have now expanded to include many materials and several laboratories, but this spirit [...]

Author Max