用光学、扫描电子显微镜及显微硬度计，研究了低碳钢在高频弯曲疲劳过程中的形变及断裂。
The deformation and fracture of mild steel under high frequency bending fatigue has been studied by optical microscope, scanning electron microscope and microhardness determination.
电子双数显拉簧、压簧、扭簧测试仪器、投影仪、硬度计、盐雾测试机等。
The company provides electronic double-digital display tension spring, compression spring, torsion spring testing device, prijector, sclerometer, and salt spray tester.
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。
Optical metallographic microscope, micro-hardness tester, electron microprobe and X-ray diffraction analysis were applied to explore the process of intermediate temperature tempering transformation.
利用光学显微镜、透射电子显微镜和HD- 187.5型硬度计对高锰钢在不同轧制应力条件下的组织和性能进行了分析和研究。
The microstructure and properties of high manganese steel under the conditions of different rolling load were analyzed and studied through the om, TEM and HD-187.5 sclerometer.
采用中频真空感应熔炼炉、X射线衍射仪、金相显微镜、电子探针、显微硬度计等实验分析方法，研究了稀土金属铈与低熔点金属锡在钢中的相互作用。
The interaction between the cerium and tin in steel was studied by vacuum induction melting, Xray diffraction, optical microscopy, electronic probe microscopy analysis, and microhardness tester.
用金相显微镜、显微硬度计、电子探针和透射电镜对硬化层进行分析。
The hardening layer was analyzed by metalloscope, microhardness, electronic probe and transmission electron microscopy.
用金相显微镜、显微硬度计、电子探针和透射电镜对硬化层进行分析。
The hardening layer was analyzed by metalloscope, microhardness, electronic probe and transmission electron microscopy.
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