2024.09.17
Consistency Case | Summary and Analysis of Density Measurement Laboratory Comparison of Plastics in 2024
In order to test the ability of various laboratories to measure the density of plastics, the National High Material Analysis and Testing Center organized a laboratory comparison activity for this project in 2024, to verify the accuracy of the measurement results through the comparison activity
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2024.09.03
Consistency Case | Laboratory Comparison and Summary Analysis of Vicat Softening Temperature Measurement of Plastics in 2024
A total of 40 laboratories have registered for this laboratory comparison, and 35 laboratories have submitted their test results.
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2024.08.27
Expansion of the evaluation method for anti cracking performance of low smoke halogen-free cable materials
This article independently designed an evaluation experiment for anti cracking performance, expanded and enriched the testing methods for evaluating anti cracking performance, and combined with the test results, explored the cracking mechanism of low smoke halogen-free cable materials.
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2024.08.20
Technical Sharing | Hot Wire Ignition (HWI) Level Determination and Influencing Factors of Thin Non Metallic Materials
Poor electrical performance may indeed increase the risk of fire, commonly known as "internal fire". Enterprises need to use hot wire ignition testing methods to assess the combustion performance of materials when the product experiences local overheating, in order to select materials that meet the requirements and reduce the risk of internal fire in the product.
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2024.08.13
Technical Sharing | Exploration of the Influence of Sample Type and Layout on Test Results in a Drum Xenon Lamp Aging Chamber
When testing according to UL 746C, it is required that notch impact test strips undergo notch alignment during xenon lamp aging. In order to explore the influence of sample type and arrangement on test results in a rotary drum xenon lamp aging chamber and clarify the impact of different operating methods on test results, engineers from the National High Tech Analysis and Testing Center designed the following experiment
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2024.08.08
Limited time free collection | "Material R&D Encyclopedia: Starting with 100+Cases from Sample Preparation to Testing and Analysis"
By reading and applying the knowledge in this manual, you will be able to gain a deeper understanding of the performance of materials, optimize your workflow, and take solid steps on the path of material research and development.
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2024.07.29
How to make electric vehicles safer during 1000V high-voltage fast charging with a high-voltage trace tester
For high-voltage (above 600 V) applications in electric vehicles, high-voltage leakage tracing equipment simulates the insulation performance of electric vehicle materials under harsh environmental conditions by conducting liquid dirt and slope tests at power frequency voltage (1kV~6kV) or DC voltage (1kV~6kV), and evaluating their resistance to electrical traces and corrosion measurements.
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2024.07.29
Technical research | Study on rheological properties and melt strength of TPEE modified materials for automotive intake pipes
This article expands the chain of injection grade TPEE by adding epoxy chain extenders, and determines whether the melt strength of TPEE can meet the requirements of 3D blow molding through dynamic rheological properties.
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2024.07.19
Technical Sharing | High speed Collision Material Cards for Automotive Materials and Their Application Methods
Real car collisions have always been an authoritative method for assessing the passive safety of vehicles. In order to evaluate a certain vehicle model and meet automotive safety standards, millions of dollars need to be invested in hundreds of tests, making computer simulation of car collisions a necessary path for vehicle development.
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2024.07.10
Failure Analysis | Analysis of Yellowing of Automobile Expansion Pot Body and Research on Formula Improvement
This article conducts a failure analysis on the yellowing of the expansion pot body, and develops corresponding improvement formulas based on the causes of yellowing, greatly improving the problems of yellowing and decreased transparency of the pot body.
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2024.07.02
Technical sharing | Evaluation methods for high-frequency communication applications using TLCP with different dielectric properties
Study the changes in dielectric properties of three types of inorganic filled modified TLCP materials, and achieve the regulation of the dielectric properties of TLCP materials within a certain range, thereby expanding the application of TLCP in the field of high-frequency communication
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2024.06.27
How to choose a tensile testing fixture for carbon fiber composite materials? Pneumatic or hydraulic?
This study investigated the influence of fixture types on the tensile properties of different types of carbon fibers, in order to explore the selection of fixture types suitable for carbon fiber composite materials.
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