基于原位TEM拉伸的稀土H13钢塑性形变行为和断裂机制
朱健1, 张志豪1,2(
), 谢建新1,2
), 谢建新1,2
Plastic Deformation Behavior and Fracture Mechanism of Rare Earth H13 Steel Based on In Situ TEM Tensile Study
ZHU Jian1, ZHANG Zhihao1,2(), XIE Jianxin1,2
), XIE Jianxin1,2
图6. 稀土H13钢原位拉伸试样主裂纹附近区域微观组织的TEM像
(a) crack initiated from the triple boundaries and dislocation free zone (DFZ)
(b) dislocation pile-up and microvoid at carbide
(c) DFZ and crack initiations along GBs (d~f) microvoid at carbide with size of 0.2 μm
Fig.6. TEM images of area near main crack of in situ tensile specimen of rare earth H13 steel
