Microhardness on the surface layer were measured by microhardness testing machine.
利用显微硬度试验机来测量表面显微硬度。
2
The feasibility of this method is confirmed by comparison with microhardness method.
在与硬度法的对比试验中,进一步验证了电阻法的可行性。
3
The hardness gradient, depth, microstructure and phases of nitrided layers were measured with Microhardness Apparatus, Microcopy and X-ray diffractometer.