Home / Standards / GB/T 31568-2015 GB/T 31568-2015 Active Standard test method for determination of crystallite size of ZrO2 coatings by Scherrer equation 热喷涂热障ZrO2涂层晶粒尺寸的测定 谢乐公式法 Standard Type GBT ICS 25.220.20 CCS A29 Status 现行 Issue Date 2015-05-15 Implementation 2016-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A