Rubbers - determination of crystallization effects by hardness measurements 橡胶结晶效应的测定硬度测量法
2.
Standard test method for effective case depth of ferrous powder metallurgy parts using microindentation hardness measurements 使用微压痕硬度测量法进行黑色粉末冶金部件的有效硬化层深度的标准试验方法