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Failure analysis for plastic components
Plastics have become an integral part of modern applications – they are used in the automotive industry, medical technology, mechanical engineering and in the electronics and packaging sectors. Despite their versatility and high performance, plastic components can fail, whether due to mechanical overload, chemical influences or manufacturing defects.
Our damage analyses in accordance with VDI guideline 3822 help you to systematically identify the causes of material and component failure and to develop preventive measures to avoid damage.
Typical cases of damage to plastics:
- Fracture and crack formation: Cause analysis of embrittlement, crack growth and fatigue fracture
- Material fatigue: Damage due to cyclical stress or environmental influences
- Processing defects: Irregularities due to uneven cooling, blowholes or delamination
- Chemical degradation: Resistance to solvents, acids, bases and other chemicals
- Thermal damage: Analysis of material changes due to heat, UV radiation or oxidative degradation
- Adhesion problems in composite materials: Characterization of fiber-matrix adhesion in fiber-reinforced plastics
Test methods for plastic components:
We use a variety of state-of-the-art testing methods to specifically determine the cause of damage:
- Scanning electron microscopy (SEM) incl. EDX analysis to examine fracture surfaces, defects and impurities
- Differential scanning calorimetry (DSC) to determine thermal properties and identify material changes
- Fourier transform infrared spectroscopy (FT-IR) to identify polymer compositions and impurities
- Thermogravimetric analysis (TGA) to investigate thermal stability and decomposition temperatures
- Hardness tests (Shore A, D, IRHD, Vickers) for the mechanical characterization of plastics
- Tensile, bending and impact tests to determine mechanical strength and residual strength
Your added value through our damage analyses:
Our detailed investigations help you to identify sources of error in production, assembly or operation at an early stage. Preventive measures can avoid expensive production downtimes or complaints, which contributes to improved quality assurance and economic optimization in the long term.