文中还对氢脆在应力腐蚀开裂中的作用进行了讨论。
The role of hydrogen embrittlement in stress corrosion cracking has also been discussed.
结果表明：由于焊接电流过大，使焊缝产生淬火马氏体组织及较大的焊接残余应力，导致镀锌氢脆敏感性增加，造成吸油盘发生氢脆开裂。
The large welding current caused the formation of quenched martensite and the high residual stresses in the welding zone, resulting in the increase of zinc sensitivity of hydrogen attack.
高湿度能增大氢致裂纹和应力腐蚀开裂倾向。
High environment humidity increases the susceptibility to hydrogen induced cracking and stress corrosion cracking.
这些结果表明应力腐蚀的主要机理是氢致开裂。
These results showed that the major mechanism of SCC for this system is hydrogen induced cracking.
采用恒载荷和慢应变速率动态拉伸实验方法，测定了X80管道钢在不同充氢条件下的氢致开裂门槛应力和断裂应力。
The threshold stress and fracture stress of hydrogen-induced cracking of X80 pipeline steel are studied by constant load test and slow stain rate test.
依据NACE标准研究了X80级管线钢的抗硫化物应力腐蚀开裂(SSCC)和氢致开裂(HIC)行为。
Based on the NACE standard, the behavior of restriction on hydrogen induced cracking (HIC) and sulfide stress corrosion cracking (SSCC) of X80 grade pipeline steel was investigated.
这些结果说明，海洋用钢的应力腐蚀开裂敏感性与加载条件下材料的表面状态，SRB活动和渗氢特征有密切关系。
All these results showed the close relationship of SCC sensitivity with the surface state of the material under dynamic loading conditions, SRB activity and hydrogen permeation characteristics.
这些结果说明，海洋用钢的应力腐蚀开裂敏感性与加载条件下材料的表面状态，SRB活动和渗氢特征有密切关系。
All these results showed the close relationship of SCC sensitivity with the surface state of the material under dynamic loading conditions, SRB activity and hydrogen permeation characteristics.
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