基于有限元法探究实验条件对一种耐热钢压痕松弛行为的影响

武晓丹, 赵杰, 曹铁山, 陈家万, 林通, 张浩杰

Exploring the Influence of Experimental Conditions on Indentation Relaxation Behavior of a Heat-Resistant Steel Based on the Finite Element Method

WU Xiaodan, ZHAO Jie, CAO Tieshan, CHEN Jiawan, LIN Tong, ZHANG Haojie

图12 圆锥形压头和四棱锥形压头作用下Sanicro25钢在压痕最大深度(0.1 mm)和完全卸载后表面的等效塑性应变和等效蠕变应变云图

Fig.12 Equivalent plastic strain (PEEQ) (a, b, e, f) and equivalent creep strain (CEEQ) (c, d, g, h) nephograms of Sanicro25 steel under two shapes of indenters at the maximum indentation depth (0.1 mm) (a-d) and after complete unloading (e-h) on the surface