BH GSO ISO 14627:2017 精细陶瓷(先进陶瓷、先进技术陶瓷)滚动轴承球用氮化硅材料室温断裂强度试验方法压痕断裂(IF)法
Fine ceramics (advanced ceramics, advanced technical ceramics) -- Test method for fracture resistance of silicon nitride materials for rolling bearing balls at room temperature by indentation fracture (IF) method