高强度低合金钢中V和Nb对氢陷阱的影响

彭浩, 程晓英, 李晓亮, 王兆丰, 蔡贞祥

Effect of V and Nb on Hydrogen Traps in High Strength Low Alloy Steel

PENG Hao, CHENG Xiaoying, LI Xiaoliang, WANG Zhaofeng, CAI Zhenxiang

表1 实验钢中的氢浓度与氢陷阱密度

Table 1 Hydrogen concentration and different types of hydrogen traps density in tested steels

Steel Ngr / cm-3 Ndis / cm-3 H0 h / mol·cm-3 NH / cm-3 θT H24 h / mol·cm-3 0V+0Nb 2.65×1019 5.81×1019 4.19×10-5 2.59×1019 0.31 1.76×10-5 0.15V+0.05Nb 3.86×1019 1.33×1020 8.08×10-5 4.99×1019 0.29 4.91×10-5