周莉,杨吉春,董梦瑶,张剑,栗宏伟

• 1:重庆工业职业技术学院
• 2:内蒙古科技大学材料与冶金学院

摘要(Abstract)：

利用OM、SEM及TEM研究了增氮降镍对316奥氏体不锈钢的组织、析出相及力学性能的影响。结果表明:增氮降镍后试验钢仍为单一的奥氏体组织;试验钢在晶界处的M23C型碳化物析出相数量减少,有少量的碳氮化合物和氮化物析出相在晶界析出;试验钢的伸长率和断面收缩率变化不大,冲击功由260.6 J提高到294.3 J;抗拉强度由829.24 MPa上升到1221.67 MPa;屈服强度由585.06 MPa上升到878.57 MPa,显著提高了试验钢的力学性能。

关键词(KeyWords)： 316奥氏体不锈钢;增氮降镍;析出物;力学性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51364031)

作者(Author): 周莉,杨吉春,董梦瑶,张剑,栗宏伟

DOI: 10.13289/j.issn.1009-6264.2015.10.014

参考文献(References)：

• [1]项建英,宋仁伯,任培东.316L不锈钢动态再结晶行为[J].北京科技大学学报,2009,31(12):1555-1559.XIANG Jian-ying,SONG Ren-bo,REN Pei-dong.Dynamic recrystallization behavior of 316L stainless steel[J].Journal of University of Science and Technology Beijing,2009,31(12):1555-1559.
• [2]林慧国,瞿志豪,茅益民.袖珍世界钢号手册(第四版)[M].北京:机械工业出版社,2008.
• [3]侯东坡,宋仁伯,项建英,等.固溶处理对316L不锈钢组织和性能的影响[J].材料热处理学报,2010,31(12):61-65.HOU Dong-po,SONG Ren-bo,XIANG Jian-ying,et al.Effect of solution treatment on microstructure and properties of 316L stainless steel[J].Transactions of Materials and Heat Treatment,2010,31(12):61-65.
• [4]袁志钟,戴起勋,程晓农,等.氮在奥氏体不锈钢中的作用[J].江苏大学学报:自然科学版,2002,23(3):72-75.YUAN Zhi-zhong,DAI Qi-xun,CHENG Xiao-nong,et al.Effects of nitrogen in austenitic stainless steels[J].Journal of Jiangsu University:Natural Science,2002,23(3):72-75.
• [5]易邦旺,胡燕,郎文运,等.氮含量对Cr18Mn18N无磁不锈钢力学性能、磁导率和组织的影响[J].钢铁,1998,33(3):43-45.YI Bang-wang,HU Yan,LANG Wen-yun,et al.Effect of content on mechanical properties,magnetic of Cr18Mn18N conductivity and microstructure[J].Iron and Steel,1998,33(3):43-45.
• [6]Dai Q X,Wang A D,Cheng X N,et al.Effect of alloying elements and temperature on strength of cryogenic steels[J].Materials Science and Engineering A,2001,311(1/2):205-210.
• [7]郎宇平,康喜范.超级高氮奥氏体不锈钢的耐腐蚀性能及氮的影响[J].钢铁研究学报,2001,13(1):30-35.LANG Yu-ping,KANG Xi-fan.Corrosion resistance of high nitrogen superaustenitic stainless steel and influence of nitrogen[J].Journal of Iron and Steel Research,2001,13(1):30-35.
• [8]向红亮,黄伟林,刘东,等.N含量对29Cr铸造超级双相不锈钢组织及性能的影响[J].金属学报,2010;46(3):304-310.XIANG Hong-liang,HUANG Wei-lin,LIU Dong,et al.Effect of N content on microstructure and properties of 29Cr casting super duplex stainless steel[J].Acta Metallurgica Sinica,2010,46(3):304-310.
• [9]李硕,陈波,马颖澈,等.氮含量对690合金显微组织和室温力学性能的影响[J].金属学报,2011,47(7):816-822.LI Shuo,CHEN Bo,MA Ying-che,et al.Effects of nitrogen content on microstructure and mechanical property of alloy 690[J].Acta Metallurgica Sinica,2011,47(7):816-822.
• [10]YOUNG-HWAN Park,JONG-WAN Kim,SUN-KOO Kim,et al.The critical amount of nitrogen on the formation of gas pores during solidification of25Cr-7Ni duplex stainless steel[J].Metallurgical and Materials Transactions B,2003,34:313-320.
• [11]吴玖.双相不锈钢[M].北京:冶金工业出版社,1999.
• [12]杨吉春,周莉,张剑,等.镍对07Cr17Ni12Mo2N奥氏体不锈钢组织和高温拉伸性能的影响[J].内蒙古科技大学学报,2014,33(4):353-356.YANG Ji-chun,ZHOU Li,ZHANG Jian,et al.Effect of nickel on microstructure and high temperature tensile properties of 07Cr17Ni12Mo2N austenitic stainless steel[J]Journal of Inner Mongolia University of Science and Technology,2014,33(4):353-356.
• [13]崔大伟,曲选辉,李科.高氮低镍奥氏体不锈钢的研究进展[J].材料导报,2005,19(12):64-67.CUI Da-wei,QU Xuan-hui,LI Ke.Research progress in high-nitrogen low-nickel austenitic stainless steels[J].Materials Review,2005,19(12):64-67.

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