动态塑性变形对商用纯钛微观结构和氢致开裂行为的影响

李兴斌, 雷蕴博, 高栋, 于泽, 董福宇, 周宇

Effect of Dynamic Plastic Deformation on Microstructure and Hydrogen-induced Cracking Behavior of Commercially Pure Titanium

LI Xingbin, LEI Yunbo, GAO Dong, YU Ze, DONG Fuyu, ZHOU Yu

表2 粗晶和动态塑性变形样品充氢前后的力学性能指标和IHE

Table 2 Mechanical performance indicators and IHE of CG and DPD samples before and after hydrogen charging

Samples Yield strength / MPa Ultimate tensile strength / MPa Elongation/% IHE/ % CG 240 392 28.7 25.09% CG H 192 340 21.5 - DPD 670 745 7.8 2.56% DPD H 585 677 7.6 -