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本实验用SEM505扫描电镜、BS613透射电镜和EDAX9100/60X射线能谱仪研究了电炉喷吹CaSi工艺轴承钢接触疲劳剥落机制。分析是在两个垂直的方向上进行的。首先在滚道平面俯视观察剥落坑,为保留原始剥落痕迹、防止夹杂物脱落,试样不经任何处理,将整个推力片放在扫描电镜下观察。观察后,将推力片在滚道处与之垂直的方向用砂轮磨至滚道中心,抛光后用过饱和
In this experiment, SEM505 SEM, BS613 transmission electron microscope and EDAX9100 / 60X-ray spectrometer were used to study the contact fatigue spalling mechanism of CaSi bearing steel sprayed by electric furnace. The analysis is done in two perpendicular directions. First of all, observe the peel pits in the plan view of the raceway. In order to keep the original peeling marks and prevent the inclusions from falling off, the entire thrust piece is observed under a scanning electron microscope without any treatment. After observation, the thrust piece in the raceway perpendicular to the direction of grinding with a grinding wheel to the center of the raceway, polished with supersaturated