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金属学报  2014 

一种新型镍基耐蚀合金焊接接头的组织与力学性能

DOI: 10.11900/0412.1961.2014.00233, PP. 1377-1383

Keywords: 镍基耐腐蚀合金,焊缝区,熔合区,热影响区

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Abstract:

测试一种新型镍基耐蚀合金(X-2#)手工氩弧焊接接头的拉伸性能和硬度,并结合OM,SEM和EDS等技术研究焊接接头的组织和性能.结果表明,X-2#合金焊接接头焊缝区为铸态组织,熔合区从基体到焊缝金属组织过渡良好,热影响区没有晶粒明显粗化现象,母材晶粒尺寸约为65mm,有利于接头的焊接.新合金焊缝区的Vickers硬度小于基体,但焊缝重熔区的硬度由于等轴晶数量增多而变大.合金中W和Mo等固溶强化元素及Al和Ti沉淀强化元素使X-2#合金焊接接头具有较好的高温强度及热稳定性.合金焊接接头室温与高温下的抗拉强度均低于母材,焊接系数η大于88%,焊缝区为接头最薄弱环节,拉伸断口均为韧性断口,断裂机制为正断与剪切断的混合断裂.

References

[1]  Ma C Y, Zhao X C, Zhu F L, Guo K Q, Wu R X. Modern Chem Ind, 2007; 27: 497 (马承愚, 赵晓春, 朱飞龙, 郭凯琴, 吴荣霞. 现代化工, 2007; 27: 497)
[2]  Zhang P, Wang J C, Zhang X D, Liu X W, Xia Y J, Li Z Y. Environ Prot Sci, 2003; 29(5): 15 (张 平, 王景昌, 张晓冬, 刘学武, 夏远景, 李志义. 环境保护科学, 2003; 29(5): 15)
[3]  Zhu F W, Zhang L F, Qiao P P, Liu R Q, Bao Y C, Chen Y Q. Nucl Power Eng, 2009; 30(5): 62 (朱发文, 张乐福, 乔培鹏, 刘瑞芹, 鲍一晨, 陈宇清. 核动力工程, 2009; 30(5): 62)
[4]  Kritzer P. J Supercrit Fluids, 2004; 29: 1
[5]  Was G S, Ampornrat P, Gupta G, Teysseyrea S, Westa E A, Allenb T R, Sridharanb K, Tanb L, Chenb Y, Renb X, Pister C. J Nucl Mater, 2007; 371(1-3): 176
[6]  Yin K J, Qiu S Y, Tang R, Zhang Q, Zhang L F. J Supercrit Fluids, 2009; 50: 235
[7]  Tan L, Ren X, Allen T R. Corros Sci, 2010; 52: 1520
[8]  Ampornrat P, Was G S. J Nucl Mater, 2007; 371(1-3): 1
[9]  Chen Y, Sridharan K, Allen T R. Corros Sci, 2006; 48: 2843
[10]  Tan L Z, Yang Y, Allen T R. Corros Sci, 2006; 48: 4234
[11]  Tan L Z, Yang Y, Allen T R. Corros Sci, 2006; 48: 3123
[12]  Dupont J N, Lippold J C, Kiser S D. Welding Metallurgy and Weldability of Nickel-base Alloys. Hoboken: John Wiley & Sons Inc, 2009: 47
[13]  Sima A P. Master Thesis, Shanghai Jiao Tong University, 2009 (司马爱平. 上海交通大学硕士学位论文, 2009)
[14]  Zheng C Q, Zhou L, Zhang K S. Study on Mechanical and Its Application to Mesoscopic Metal Ductile Damage. Beijing: National Defence Industry Press, 1995: 27 (郑长卿, 周 利, 张克实. 金属韧性破坏的细观力学及其应用研究. 北京: 国防工业出版社, 1995: 27)
[15]  Zhao B H, He L, Yao Y M. Welding Processing Technology and Quality Testing, Failure Analysis and Metallograph Practical Handbook. Beijing: Metallurgical Industry Press, 2006: 1203 (赵炳辉, 何 伦, 姚一鸣. 焊接件加工处理工艺与质量检测、失效分析技术及金相图谱实用手册. 北京: 冶金工业出版社, 2006: 1203)
[16]  Ding Z H. Organic Wastewater Treatment Technology and Its Application. Beijing: Chemical Industry Press, 2002: 1 (丁忠浩. 有机废水处理技术及应用. 北京: 化学工业出版社, 2002: 1)
[17]  Wright L G, Dooley R B. Int Mater Rev, 2010; 55: 129
[18]  Sun C W, Hui R. Corros Sci, 2009; 51: 2508
[19]  Chen Y, Sridharan K, Ukai S, Allen T R. J Nucl Mater, 2007; 371: 118
[20]  Cho H S, Kimura A. J Nucl Mater, 2007; 367-370: 1180
[21]  Isselin J, Kasada R, Kimura A. Corros Sci, 2010; 52: 3266
[22]  Siwy A D, Clark T E, Motta A T. J Nucl Mater, 2009; 392: 280
[23]  Zhu F W, Zhang L F, Tang R, Qiao P P, Liu R Q. At Energy Sci Technol, 2009; 43(6): 39 (朱发文, 张乐福, 唐 睿, 乔培鹏, 刘瑞芹. 原子能科学技术, 2009; 43(6): 39)
[24]  Was G S, Teysseyre S, Jiao Z. Corrosion, 2006; 62: 989
[25]  Sun M C, Wu X Q, Han E H, Rao J C. Scr Mater, 2009; 61: 996
[26]  Halvarsson M, Tang J E, Asteman H, Svensson J E, Johansson L G. Corros Sci, 2006; 48: 2014
[27]  Tan L, Ren X, Sridharan K, Allen T R. Corros Sci, 2008; 50: 3056
[28]  Sun M C, Wu X Q, Zhang Z E, Han E H. J Supercrit Fluids, 2008; 47: 309
[29]  Zhang Q, Tang R, Yin K J, Luo X, Zhang L F. Corros Sci, 2009; 51: 2092
[30]  Bao Y C. Master Thesis, Shanghai Jiao Tong University, 2011 (鲍一晨. 上海交通大学硕士学位论文, 2011)

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