2024.12.18
800V "Ultra High CTI Detection - High Voltage Leakage Traceability Tester
The anti leakage trace test is mainly conducted to simulate whether the conductive substances deposited on the surface of insulation materials by charged parts of different polarities in actual use of electrical products cause creepage, breakdown short circuit, and fire hazard on the surface of insulation materials.
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2024.12.18
Material Testing: Method for Determining the Content of Light Stabilizers in Plastics Using GCMS
When using benzophenone UV agents for plastic modification, the general addition amount is between 0.03% and 0.3%, with low content and complex structure, which cannot be quantified by universal methods. This article explores the testing method on GCMS to solve the problem of inability to qualitatively and quantitatively analyze UV-0 and UV-24 in plastics.
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2024.12.10
New Service: Thermogravimetric Infrared Gas Chromatography Mass Spectrometry (TGA-FTIR GC-MS) Combined System
The newly equipped combination system in the testing center is a parallel three-phase combination system of thermogravimetric infrared gas chromatography-mass spectrometry, which provides a powerful characterization method for analyzing sample components, exploring cracking mechanisms, qualitative analysis of unknown substances, and monitoring of known substances.
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2024.12.10
Evaluation of Surface Free Energy of Polypropylene Plastic Adhesive Interface
Wetting is a crucial step in the bonding process, as it directly affects the bonding strength and effectiveness.
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2024.12.02
How to choose the right material card type for plastics/Composites
Simulation accuracy is affected by many factors, such as model simplification, mesh size and quality, material parameters and so on. Among them, material parameters are one of the most important factors affecting the simulation accuracy.
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2024.11.26
What is the difference between UL certification and UL yellow card? How to quickly estimate UL yellow card parameters?
This article will provide a detailed introduction to the differences between UL yellow cards and UL certification, in order to help readers better understand the differences and application scenarios between the two.
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2024.11.26
The difference and conversion method between engineering stress-strain and real stress-strain!
The mechanical behavior of materials under dynamic loads is significantly different from that under static conditions. Therefore, obtaining the true stress-strain curves of materials at different strain rates is a key step in simulating car collisions.
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2024.11.20
Three characterization methods for molecular weight and distribution of ultra-high molecular weight polyethylene (UHMWPE)
The various properties of UHMWPE are directly related to its molecular weight and distribution.
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2024.11.20
Key points for compressive strength (CAI) testing of composite materials after impact to ensure material safety in the aerospace and automotive industries
Due to the fact that CAI values are not only used as indicators for evaluating material properties, but also as the basis for determining design values in structural design, CAI value testing for fiber-reinforced composite materials is becoming increasingly important.
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2024.11.13
How to choose the stretching rate to ensure the accuracy of plastic stretching testing
Due to the wide variety of polymer materials, their stress-strain curves exhibit complex situations. According to the performance of the yield point, elongation rate, and fracture situation during the stretching process, it can be roughly divided into five types
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2024.11.13
The simulation analysis results of stress triaxiality assistance are more in line with engineering reality
The stress triaxiality (i.e. the ratio of average normal stress to equivalent stress) can more reasonably reflect the influence of stress state on plastic deformation and fracture failure.
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2024.11.06
Fatigue life estimation method under alternating stress
Practice has shown that the failure mode of components under alternating stress is completely different from that under static load. Under alternating stress, although the maximum stress is lower than the yield limit, it will suddenly fracture after long-term repetition.
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