Hardness was counted by Dynamic Ultra Micro Hardness Tester.
动态超显微硬度仪测试材料的硬度。
Optical metallographic microscope, micro-hardness tester, electron microprobe and X-ray diffraction analysis were applied to explore the process of intermediate temperature tempering transformation.
利用光学金相显微镜、显微硬度计、电子探针及X射线衍射分析仪初步探索其中温回火转变过程。
Microstructure and hardness of the joint were analyzed by optical metallurgical microscope, EDS and micro-hardness tester.
用金相显微镜、EDS和显微硬度计对其焊接接头进行了显微组织、成分分布和硬度分析。
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