Home / Standards / GB/T 41605-2022 GB/T 41605-2022 Active Silicon nitride materials for rolling bearing balls—Test method for fracture resistance at room temperature—Indentation fracture (IF) method 滚动轴承球用氮化硅材料 室温压痕断裂阻力试验方法 压痕法 Standard Type GBT ICS 81.060.30 CCS Q32 Status 现行 Issue Date 2022-07-11 Implementation 2023-02-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A