网页The hardness gradient, depth, microstructure and phases of nitrided layers were measured with Microhardness Apparatus, Microcopy and X-ray diffractometer.利用显微硬度计、金相显微镜和X射线衍射仪测定了渗氮层的硬度梯度、层深、显微组织和相组成。
网页Metallic materials-Vickers and Knoop microhardness tests of metallic and other inorganic coatings. 适用范围:. 本文件规定了金属及其他无机覆盖层的维氏和努氏显微硬度试验的原理、符号和说明、设备、影响测量准确度的因素、试验程序、结果的不确定度和试验报告。. 本 …