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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2024.06.27
Technical sharing | Multidimensional flame retardant performance evaluation method for PP used in cables
This article investigates the effects of inorganic aluminum hypophosphate (AHP), magnesium hydroxide (MDH), melamine polyphosphate (MPP), and melamine cyanurate (MCA) on the self extinguishing performance and combustion rate of TPE, and establishes a corresponding relationship between the flame retardant performance of the material and the flame retardant performance of the finished wire VW-1.
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2024.06.18
Technical research | Evaluation method for the transparency performance of automotive bumper made of transparent polypropylene
The characterization methods for light diffusion generally use haze parameters, but they cannot effectively explain the effect of light diffusion. This study characterizes the light diffusion effect of materials by introducing a variable angle transmittance tester, introducing two parameters: half power angle and light diffusion coefficient, and investigates the influence of different components on the light diffusion effect.
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2024.06.11
Technical research | Analysis method for the composition of pollutants on the surface of discarded plastic bottles
This study used infrared spectroscopy, micro infrared spectroscopy, and gas chromatography-mass spectrometry (GC-MS) to detect the composition and relative content of liquid and powder solid pollutants on the outer surface of discarded plastic bottles. This can provide guidance for recycling plants to selectively clean pollutants during the plastic bottle recycling process and treat wastewater after cleaning.
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2024.06.05
Technical sharing | How to accurately obtain stress-strain curves in the range of strain rates from 0.001/s to 1000/s
The question of how to obtain stress-strain curves in the range of strain rates from 0.001/s to 1000/s can be transformed into how to perfectly and reliably integrate the results obtained from two sets of testing equipment with different working principles. To answer this question, it is necessary to design from the following four aspects.
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