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Your location: Home > Related Articles > What should be tested for automotive materials? أداة الاختبار –

What should be tested for automotive materials? أداة الاختبار –

Author:QINSUN Released in:2023-09 Click:89

What should be tested for automotive materials?

As the basis of automobile production, the quality of automobile materials and parts is a prerequisite for the success of automobile production. With the increasingly advanced functions of various new models and the continuous pursuit of driving experience and safety, automobile manufacturers are required to monitor the quality and safety of materials at the source. The following is a summary of Standard Group\'s automotive testing projects:

1. Reliability performance tests (some are not limited to)

Photoaging test

Lamp aging test Xenon Arc Lamp Aging Test of Carbon Arc Lamp

Simulated UV Aging Test

Corrosivity Test environmental

Neutral Salt spray test Salt spray test with ACstate

Accelerated salt spray test with copper ions Ozone resistance test

Gas corrosion test ( hydrogen sulfide, sulfur dioxide, nitrogen dioxide, chlorine) Cyclic salt spray test

Environmental reliability test

Temperature test Temperature and humidity test

Rapid temperature change test Thermal shock test

Various life tests and three comprehensive vibration tests

Dustproof test Water resistance test

Stone impact resistance test

2. Testing for volatile organic compounds in car air and interior parts materials

Test items: volatile organic compounds (benzene, toluene, xylene, styrene, formaldehyde, acetaldehyde, etc.), total volatile organic compounds (TVOC), fog test, odor test, sulfur dioxidee, nitrogen dioxide, carbon monoxide, ozone, ammonia, can

Inhalation of particles, etc.

Testing Standards: Can meet European, American and Japanese VOC standards of Volkswagen, General Motors, Ford, Toyota, Nissan, Honda, etc.

Scope of use: plastic products, rubber, wooden products, leather, foam, fabrics, adhesives, fillers, carpets, coatings, etc.

3. Testing of metallic and polymeric materials (physical and mechanical properties)

Testing of metallic materials and components

Mechanical performance testing : tensile test, bending test, hardness test, impact test

Component test: qualitative and quantitative analysis of components, traces Elemental analysis

Structural analysis: metallographic analysis, non-destructive testing, coating analysis

Dimensional measurement: tridim measurementension, projection Instrument measurement, precision caliper measurement

Tests of polymer materials and parts

Tests physical performance: tensile test (including normal temperature and high and low temperature), bending test (including normal temperature and high and low temperature), impact test (including normal temperature and high and low temperature temperature), hardness, haze, tear resistance

Thermal properties Tests: glass transition temperature, melting index, softening point at Vicat temperature, embrittlement temperature at low temperature, melting point, thermal expansion coefficient, thermal conductivity coefficient

Electrical performance testing of rubber and plastic: surface resistance, dielectric constant, dielectric loss, stiffness dielectric, volume resistivity, withstand voltage, breakdown voltage

Paint performance test of interior and exterior trim parts: gloss, color difference, coating Film thickness, adhesion, pencil hardness, abrasion resistance, artificial sweat resistance test , scratch resistance test, oil resistance test, detergent resistance test, coating impact resistance test

Combustion performance test: vertical combustion, horizontal combustion test, 45° angle combustion test, FFVSS 302, ISO 3975, SAEJ369, GM 9070P

 

Qualitative analysis of material composition: Fourie Infrared spectroscopy of leaves, etc.

4. Detection services for lead, cadmium, mercury and hexavalent chromium (ELV directive) restricted hazardous substances in automobiles

EU ELV: lead Pb, cadmium Cd, chrome Cr6 +hexavalent, mercury Hg

VLE China: Pb lead, Cd cadmium, Cr6+hexavalent chromium, Hg mercury, polybrominated biphenyls PBB, polybrominated diphenyl ethers PBDE

5. Crash test of seat belts

Test standards

GB14166-2003 Safety belts and restraint systems for adult occupants of motor vehicles

Test articles

Long-lasting vibration of the loop

Salt spray insertion and extraction force

Hot shock and high temperature

Sand and dust at low temperature

Vibration noise plugging and unplugging noise

Collision

6. Vehicle fuel and oil testing

Products tested: lubricating oil, gasoline, diesel, liquefied petroleum gas, other vehicles Petroleum products

Test items: octane number, cetane number, cetane number, component analysis, metal ions, particle distributionules, density, viscosity, ash content, Flash point, humidity, alkane oxides, sulfur content, pour point, distillation range, oxidation stability, etc.

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