Home / Standards / GB/T 41739-2022 GB/T 41739-2022 Active Test method for dimensional stability of metal matrix composites—Thermal-cold cycling method 金属基复合材料尺寸稳定性检测方法 冷热循环法 Standard Type GBT ICS 77.040.99 CCS Y 80 Status 现行 Issue Date 2022-10-14 Implementation 2023-02-01 Responsible Dept 国家标准委 Drafting Unit N/A