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00Cr18Ni10N奥氏体不锈钢焊接接头应力腐蚀特性

刘建华 王兵 李松梅 于美

刘建华, 王兵, 李松梅, 等 . 00Cr18Ni10N奥氏体不锈钢焊接接头应力腐蚀特性[J]. 北京航空航天大学学报, 2014, 40(7): 867-872. doi: 10.13700/j.bh.1001-5965.2013.0474
引用本文: 刘建华, 王兵, 李松梅, 等 . 00Cr18Ni10N奥氏体不锈钢焊接接头应力腐蚀特性[J]. 北京航空航天大学学报, 2014, 40(7): 867-872. doi: 10.13700/j.bh.1001-5965.2013.0474
Liu Jianhua, Wang Bing, Li Songmei, et al. Stress corrosion properties of 00Cr18Ni10N austenitic stainless steel welded joints[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(7): 867-872. doi: 10.13700/j.bh.1001-5965.2013.0474(in Chinese)
Citation: Liu Jianhua, Wang Bing, Li Songmei, et al. Stress corrosion properties of 00Cr18Ni10N austenitic stainless steel welded joints[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(7): 867-872. doi: 10.13700/j.bh.1001-5965.2013.0474(in Chinese)

00Cr18Ni10N奥氏体不锈钢焊接接头应力腐蚀特性

doi: 10.13700/j.bh.1001-5965.2013.0474
基金项目: 

国家自然科学基金资助项目(51171011)

详细信息
    作者简介:

    刘建华(1957-),男,湖南常德人,教授,liujh@buaa.edu.cn.

  • 中图分类号: TG172

Stress corrosion properties of 00Cr18Ni10N austenitic stainless steel welded joints

  • 摘要: 采用恒载荷应力腐蚀实验方法和表面显微分析方法研究了3.5% NaCl水溶液中00Cr18Ni10N奥氏体不锈钢母材及焊接接头的应力腐蚀开裂行为.通过应力腐蚀120 h后剩余强度的损失量分析来比较00Cr18Ni10N母材及其焊接接头的应力腐蚀性能,并利用金相显微镜和扫描电镜研究了00Cr18Ni10N钢焊缝区、热影响区与母材的显微组织差别和应力腐蚀开裂断口形貌.结果表明,焊接接头的应力腐蚀断裂位置均位于焊缝区,在较高应力水平90%σ0.2下00Cr18Ni10N母材的强度损失较焊接接头低13.02%,母材的抗应力腐蚀性能优于焊接接头.断口形貌分析表明,00Cr18Ni10N母材和焊接接头在应力和腐蚀介质的共同作用下发生断裂,断口显现出沿晶断裂和韧窝断裂的形貌特征.

     

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出版历程
  • 收稿日期:  2013-08-09
  • 网络出版日期:  2014-07-20

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