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cai yong stt gen han + ban zi dong fcaw han gong yi de x65 guan xian gang han jie jie tou liu hua qing ying li fu shi xing neng
Author(s): 
Pages: 44-47
Year: Issue:  4
Journal: Welding Technology

Keyword:  STT+FCAW焊接工艺X65钢焊接接头SSC;
Abstract: 采用STT+FCAW焊接工艺获得X65管线钢焊接接头,通过组织观察、硬度测试、氢渗透试验以及硫化氢应力腐蚀试验等分析方法对接头的硫化氢应力腐蚀(SSC)性能进行了评价。试验结果表明:该焊接接头组织无明显缺陷,硬度值远小于SSC极限值HV250;氢渗透曲线分析结果显示,相对于母材,焊接接头的J∞L,Dapp值更大,capp,NT值更小,焊接接头试样在SSC试验后未出现开裂现象,具有一定的抗硫化氢应力腐蚀能力。
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