1900MPa级超高强度不锈钢的研制
A 1900 MPa Grade Ultra-high Strength Stainless Steel
摘 要
研制出一种Rm≥1900 MPa的铬-镍-钴-钼系大规格棒材(200mm)超高强度马氏体时效不锈钢,通过研究热处理工艺对八种不同成分的铬-镍-钴-钼系马氏体时效不锈钢力学性能的影响,进一步优化了合金成分.结果表明:优化成分后得到一种高强(Rm=1 940 MPa)、高韧(AKU2=55 J,KIC=104 MPa·m)的马氏体时效不锈钢.
析出相
超高强度
maraging stainless steel
precipitation
ultra-high strongth
Abstract
A large size of super-high-strength maraging stainless steel Cr-Ni-Co-Mo bar has been developed.Effects of heat treatment on mechanical properties of Cr-Ni-Co-Mo maraging stainless steel with eight different components were shudied.Through further optimization of the alloy composition:a high-strength(Rm=1 940 MPa),high-ductile (AKU2=55 J and KIC=104 MPa·m) maraging steel has been obtained.Good technological properties of this kind of steel make it suitable to be used as critical components with high strength and toughness and sea water corrosion-resistantce.It also reveals broad application prospects in aerospace,aviation and other fields.
中图分类号 TG142.1
所属栏目
基金项目 国家高技术研究发展计划资助项目(863-2002AA305105)
收稿日期 2007/4/25
修改稿日期 2007/9/13
网络出版日期
作者单位点击查看
备注刘振宝(1977-),男,黑龙江鸡西人,博士.
引用该论文: LIU Zhen-bao,YANG Zhi-yong,YONG Qi-long,LIANG Jian-xiong,SUN Yong-qing,LI Wen-hui,LU lun. A 1900 MPa Grade Ultra-high Strength Stainless Steel[J]. Materials for mechancial engineering, 2008, 32(3): 48～51
刘振宝,杨志勇,雍歧龙,梁剑雄,孙永庆,李文辉,卢伦. 1900MPa级超高强度不锈钢的研制[J]. 机械工程材料, 2008, 32(3): 48～51
被引情况:
【1】詹中伟,孙志华,汤智慧, "化学钝化对S280超高强度不锈钢综合性能的影响",腐蚀与防护 36, 742-747(2015)
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参考文献
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【5】Decker R F,Loreen S.Maraging Steels-the First 30 Years[C]//Wilson R K.Maraging Steels-Recent Development and Applications.Warrendale:TMSAIME,PA,1988.
【6】赵先存,黄桂煌.国外不锈钢现状及动向[J].国外金属材料,1980(5):1-6.
【7】刘振宝,宋为顺,杨志勇,等.时效对超高强马氏体时效不锈钢组织与性能的影响[J].材料热处理学报,2005,26(4):52-55.
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【10】Irvine K J.The development of high strength steel[J].J Iron and Steel Inst ,1962,200(10):820-828.
【11】Kasak A,Chandhok C K,Dulis E J.Development of precipitation hardening Cr-Mo-Co stainless stells[J].Trans ASM,1963(56):455-467.
【2】魏振宇.马氏体时效不锈钢[J].新金属材料,1972(4):22-24.
【3】Imrie W H.Maraging steel in the British aerospace industry[J].Metal Forming,1970(1/2):41-45.
【4】姜越,尹钟大,朱景川,等.马氏体时效不锈钢的发展现状[J].特殊钢,2003,24(3):1-5.
【5】Decker R F,Loreen S.Maraging Steels-the First 30 Years[C]//Wilson R K.Maraging Steels-Recent Development and Applications.Warrendale:TMSAIME,PA,1988.
【6】赵先存,黄桂煌.国外不锈钢现状及动向[J].国外金属材料,1980(5):1-6.
【7】刘振宝,宋为顺,杨志勇,等.时效对超高强马氏体时效不锈钢组织与性能的影响[J].材料热处理学报,2005,26(4):52-55.
【8】Honeycombe R W K.Metallurgical developments in high alloy steels[J].Special Reprot 8b,The Iron and steel Inst,1964(54):115-118.
【9】Versnyder F L,Beattlejr H J.The Laves and chiphases in a modified 12Cr stainless alloy[J].Trans of the ASM,1955(47):211-230.
【10】Irvine K J.The development of high strength steel[J].J Iron and Steel Inst ,1962,200(10):820-828.
【11】Kasak A,Chandhok C K,Dulis E J.Development of precipitation hardening Cr-Mo-Co stainless stells[J].Trans ASM,1963(56):455-467.
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