Figure 17 is a scanning electron microscope view of a typical hydrogen embrittlement crack where separation occurs along grain boundaries.
图17示意了用电子显微镜扫描出的沿晶粒边界产生的氢脆裂纹。
The present paper systematically checks and examines as well as analyzes causes to the cold-bended crack in the hot rolled steel plate Q345 by microscope, X-ray and Electron Probe Micro-analyzer.
利用金相显微镜、X射线衍射仪及电子探针等对Q 345热轧钢板因冷弯产生的裂纹进行了系统检验分析。
We analyse the formation Cause of longitudinal crack of the strip in double - roll strip continuous casting using metallographic technique and electron microprobe.
用金相技术结合电子探针对双辊薄带连铸带坯的纵裂纹成因进行了分析。
Aemission spectrometer, micro-hardometer, optical microscope and scanning electron microscope were used to analyze the reason of crack on connecting rod unit assembly for piston of car engine.
采用直读光谱仪、显微硬度机、光学显微镜和扫描电子显微镜等分析手段，对失效的汽车发动机活塞连杆总成断裂原因进行了分析。
The micro process of crack initiation and propagation in austempered ductile iron has been investigated by scanning electron microscope with a micro tensile stage.
用扫描电子显微镜及微拉伸台对奥氏体- 贝氏体球墨铸铁裂纹萌生、扩展的微观过程进行了跟踪观察。
An optical microscope and a scanning electron microscope (SEM) were employed to examine the change of the crack and the microstructure before and after the healing treatment.
在光学显微镜和扫描电镜下观察了处理前后钢样品中裂纹和组织的变化。
The black abstract material which sticks to inside crack of the sample machined by wire-electrode cutting is analyzed and studied by using scanning electron microscope and X-ray energy spectrometer.
应用扫描电镜及X射线能谱仪等设备，对采用线切割制取的裂纹样品内表面的黑色不明物进行了分析。
The crack morphology of hardfacing metal was investigated by means of optical and scanning electron microscopy. The effect of re oxide on cracking resistance of hardfacing metal was studied.
采用金相和电镜等手段对堆焊裂纹形貌进行了观察，并研究了稀土氧化物对堆焊金属抗开裂性能及塑、韧性的影响。
The crack morphology of hardfacing metal was investigated by means of optical and scanning electron microscopy. The effect of re oxide on cracking resistance of hardfacing metal was studied.
采用金相和电镜等手段对堆焊裂纹形貌进行了观察，并研究了稀土氧化物对堆焊金属抗开裂性能及塑、韧性的影响。
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