真空渗碳处理齿轮钢的氢脆敏感性

肖娜, 惠卫军, 张永健, 赵晓丽

Hydrogen Embrittlement Behavior of a Vacuum-Carburized Gear Steel

XIAO Na, HUI Weijun, ZHANG Yongjian, ZHAO Xiaoli

图7 QT试样充氢前后拉伸断口的SEM像

Fig.7 Low (a, c) and high (b, d) magnified SEM images showing representative facture surfaces of the QT specimen before (a, b) and after (c, d) hydrogen-charging