应力三轴度对淬火态硼钢氢脆敏感性的影响

张渤涛, 李淑慧, 李永丰, 韩国丰

Effect of Stress Triaxiality on Hydrogen Embrittlement Susceptibility of Quenched Boron Steel B1500HS

ZHANG Botao, LI Shuhui, LI Yongfeng, HAN Guofeng

图8 未充氢和预充氢单拉试样断口的形貌

Fig.8 Fracture features of the uniaxial tensile sample (a) H-free sample, (b) is enlarged region labelled as b in (a); (c) H-charged sample, (d) and (e) are enlarged regions labelled as d and e in (c)