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8 渗碳试样未充氢时的SSRT断口SEM像
(a) low magnification (b) crack initiation region (c) crack propagation region (d) fast fracture region
Fig.8 SEM images showing the fracture surfaces of the carburized specimen without hydrogen-charging