GB/T 46200-2025
ActiveDetermination of coefficient of linear thermal expansion of fiber reinforced polymer matrix composites at ultra-low temperature
纤维增强聚合物基复合材料超低温线膨胀系数的测定
Application Summary AI generated
This standard specifies a test method for measuring the coefficient of linear thermal expansion of fiber reinforced polymer matrix composites at ultra-low temperatures, typically below -150°C. It is applied in industries such as aerospace, cryogenic engineering, and superconducting equipment manufacturing, where materials must maintain dimensional stability under extreme cold conditions. The standard ensures reliable performance evaluation for composites used in liquid hydrogen tanks, cryogenic insulation systems, and other low-temperature structural components.
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