GB/T 41062-2021 Translated English of Chinese Standard. (GBT41062-2021): Test method for thermal transport properties to friction materials and brakes
https://www.chinesestandard.net, 06.06.2020 - 18 Seiten
This document describes test methods for thermal diffusivity, specific heat, thermal conductivity, and coefficient of thermal expansion to friction materials and brakes. This document applies to the determination of thermal conductivity properties to disc brake linings, drum brake linings and friction materials.
according to Formula according to GB/T anisotropy apparatuses required apparatuses The instruments axial direction Calculate according calibration centimeters per second coefficient of linear coefficient of thermal degrees Celsius density Determination method determination of specific determination of thermal determined according device diameter document following information friction materials heat flow meter heat loss heat source method heat transfer Hebei high temperature Instruments and apparatuses kilogram length change linings and friction lower samples material properties measure the temperature meet the requirements meter kelvin W/(m·K Method overview methods for thermal original length plane heat source probe pushrod quartz report shall include report The test samples shall meet specific heat temperature gradient temperature sensor Test methods test piece Test procedure test report test results test sample test temperature thermal conductivity properties thermal diffusivity thermal expansion test thermal resistance thermocouple thickness of test thin sensor transient plane Wang watts per meter Xianyang Zhuhai