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10Cr9Mo1VNbN/12Cr1MoV异种钢焊接接头的蠕变损伤及界面失效

张建强, 吴甦, 赵海燕, 王煜, 章应霖, 彭先宽, LUAn-li

张建强, 吴甦, 赵海燕, 王煜, 章应霖, 彭先宽, LUAn-li. 10Cr9Mo1VNbN/12Cr1MoV异种钢焊接接头的蠕变损伤及界面失效[J]. 焊接学报, 2002, (2): 75-79.
引用本文: 张建强, 吴甦, 赵海燕, 王煜, 章应霖, 彭先宽, LUAn-li. 10Cr9Mo1VNbN/12Cr1MoV异种钢焊接接头的蠕变损伤及界面失效[J]. 焊接学报, 2002, (2): 75-79.
ZHANG Jian-qiang, WU Su, ZHAO Hai-yan, WANG Yu, ZHANG Ying-lin, PENG Xian-kuan, LU An-li. Research on the Creep Damage and Interfacial Failure of Dissimilar Metal Welded Joint Between Martensite and Pearlite Steel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2002, (2): 75-79.
Citation: ZHANG Jian-qiang, WU Su, ZHAO Hai-yan, WANG Yu, ZHANG Ying-lin, PENG Xian-kuan, LU An-li. Research on the Creep Damage and Interfacial Failure of Dissimilar Metal Welded Joint Between Martensite and Pearlite Steel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2002, (2): 75-79.

10Cr9Mo1VNbN/12Cr1MoV异种钢焊接接头的蠕变损伤及界面失效

Research on the Creep Damage and Interfacial Failure of Dissimilar Metal Welded Joint Between Martensite and Pearlite Steel

  • 摘要: 针对马氏体耐热钢10Cr9Mo1VNbN和珠光体耐热钢12Cr1MoV,采用TGS-9cb、H10Cr5Mo、TR31三种焊丝形成高、中、低匹配焊接接头,利用脉冲电流氩弧焊、高温加速模拟工况、力学性能试验及电子显微分析,研究了10Cr9Mo1VNbN/12Cr1MoV异种钢焊接接头的力学性能、高温强度、界面蠕变损伤及失效特征。试验结果表明,焊前预热250℃,焊后回火750℃×1h,加速模拟运行500h后,高匹配和中匹配接头的力学性能劣化明显,界面蠕变损伤及失效倾向较大;而低匹配接头的力学性能优于高匹配和中匹配接头,界面蠕变损伤较轻,失效倾向较小。因此,选用TR31焊丝作为10Cr9Mo1VNbN/12Cr1MoV异种钢焊接接头的填充材料较为合适。
    Abstract: In this article, the mechanical properties, creep damage, creep rupture strength and features of interfaciaL failures of welded joints between martensite (SA213191) and pearlite steel (l2Crl MoV) have been investigated by means of argon tungsten pulsed arc welding, high temperature accelerated simulation, creep rupture, mechanical property tests and scanning electronic microscopy (SEM).The research results indicate that the interface between weld and l2Crl MoV steel is the weakest part of welded joint.However,the interfacial failure tendency of low match welded joint is less than those of medium and high match welded joint.Therefore,it is resonable that the low match welding material is used as the filler metal of weld between SA21T91 and l2Crl MoV steel.
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    其他类型引用(4)

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  • 收稿日期:  2001-09-17

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