峰值应力对Ti6242压气机盘锻件室温保载效应的影响

徐小严, 方超, 邱建科, 张蒙蒙, 史栋刚, 马英杰, 雷家峰, 杨锐

Influence of Peak Stress on Room Temperature Dwell Effect in Ti6242 Compressor Disc Forging

XU Xiaoyan, FANG Chao, QIU Jianke, ZHANG Mengmeng, SHI Donggang, MA Yingjie, LEI Jiafeng, YANG Rui

图5 不同峰值应力下Ti6242合金常规疲劳和保载疲劳断口上准解理小平面的空间取向分布

Fig.5 Distributions of spatial orientations of the quasi-cleavage facets on NF (a) and DF (b) fractures of Ti6242 alloy at various peak stresses (θ—angle between the facet normal and stress axis)