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Failure analysis of non-metallic components

The development trend of non-metallic materials technology is high performance, high functionalization, compounding, intelligent and green. Because of the new requirement of technology and the high requirement of products, and customers have different understanding of demanding products and processes, the failure of non-metallic material components such as fracture, cracking, corrosion and discoloration often occurs, which often leads to responsibility disputes between suppliers and users, and consequently leads to serious economic losses. Furthermore, more and more enterprises and units have a new requirement for failure analysis of non-metallic materials. They are no longer the conventional means such as direct replacement, but need to find out the root cause and mechanism of failure by means of failure analysis to improve product quality, process improvement and liability arbitration.


service object

Manufacturers of non-metallic materials:In-depth study of the design, production, process, storage, transportation and other stages of the possible causes of product failure, and its failure mechanism, in order to provide a basis for improving product yield and optimizing production process.

Assembly plant:Responsible arbitration; improve assembly process; provide quality assistance for supplier incoming inspection.

Distributor or agent:To provide favorable evidence for quality responsibility and to define its responsibilities fairly.

Whole machine users:Improve product technology and reliability, and enhance core competitiveness of products. Main failure modes (but not limited to) common failure analysis techniques such as fracture, cracking, corrosion, delamination, foaming, coating peeling, discoloration, wear failure, etc.


Main failure modes (but not limited)

Fracture, cracking, corrosion, stratification, blister, coating off, discoloration, wear failure, etc.


Common failure analysis techniques

Material composition analysis:

Fu Liye transform infrared spectroscopy (FTIR)

Micro confocal Raman spectrometer (Raman)

Scanning electron microscopy and energy dispersive spectrometry (SEM/EDS)

X ray fluorescence spectrometry (XRF)

Gas chromatography-mass spectrometry (GC-MS)

Pyrolysis gas chromatography-mass spectrometry (PGC-MS)

Nuclear magnetic resonance analysis (NMR)

Auger electron spectroscopy analysis (AES)

X ray photoelectron spectroscopy (XPS)

X ray diffractometer (XRD)

Time of flight two ion mass spectrometry (TOF-SIMS)

Material thermal analysis:

Differential scanning calorimetry (DSC)

Thermogravimetric analysis (TGA)

Thermomechanical analysis (TMA)

Dynamic thermomechanical analysis (DMA)


Material cracking analysis:

Gel permeation chromatography (GPC)

Melt index test (MFR)


Fracture analysis of materials:

Stereoscopic microscope (OM)

Scanning electron microscope analysis (SEM)

Material physical properties test:Failure / reappearance / verification of tensile strength and bending strength