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采用一种新的HOP(Heat on-line partitioning)技术使X80管线钢得到了(B+M/A)复相组织.与普通X80管线钢相比,(B+M/A) X80管线钢在满足强度要求的基础上,有更优良的变形能力,其屈强比为0.80,均匀伸长率为10.3%,形变强化指数为0.14,满足了大变形管线钢的技术要求,适合应用于地震带、冻土等大位移的油气管线服役环境.显微组织分析表明,在(B+M/A) X80管线钢中,回火态贝氏体和细微化M/A间的复合作用,赋予材料高的强、塑特性.其中贝氏体基体中碳化物的析出和马氏体的形成,保证了材料具有较高的强度.贝氏体基体回火软化、位错恢复和薄片状或块状残留奥氏体的形成,使得材料具有良好的塑性变形能力.

参考文献

[1] 高惠临.管线钢与管线钢管[M].北京:中国石化出版社,2012
[2] Suzuki N;Omata K.Advances in High-performance Linepipes with Respect to Strength and Deformability[A].Yo-kohama,2002:188-273.
[3] Willian M;Robin G;Robert S.Strain-based design guidelines for pipeline girth welds[A].,2004:10-17.
[4] Ishikawa N;Okatsu M;Endo S.Design concept and production of high deformability linepipe[A].Calgary,Canada:ASME,IPC,2006:10240.
[5] Ishikawa N;Endo S;Kurihara M.Microstructural aspect of deformability of high strength linepipe steels[J].Transaction of Material Research Society of Japan,2006:3469-3472.
[6] Okatsu M;Shinmiya T;Ishikawa N.Development of high strength linepipe with excellent deformability[A].Halkidiki:ASME,2005:63-70.
[7] 陈连生,杨栋,田亚强,宋进英,魏英立,赵远.配分温度对低碳高强Q&P钢组织及力学性能影响[J].材料热处理学报,2014(01):55-59.
[8] Ishikawa N;Okatsu M;Endo S.Development of high strength linepipe with excellent deformability[A].,2005:201-212.
[9] 冯耀荣;高惠临;霍春勇.管线钢显微组织的分析与鉴别[M].西安:陕西科学技术出版社,2008
[10] Suzuki N;Endo S;Ynshikawa M.Effects of a strain hardening exponent on inelastic local buckling strength and mechanical properties of linepipe[A].Brazil:OMAE,2001:1-8.
[11] Ishikawa N;Okatsu M;Muraoka R.Material development and strain capacity of grade X100 high strain linepipe produced by heat treatment online process[A].,2008:IPC-64507.
[12] 黄启今,刘国权.通用软件Microsoft Word在显微组织定量分析中的应用[J].中国体视学与图像分析,2002(03):182-184.
[13] J. Speer;D. K. Matlock;B. C. De Cooman;J. G. Schroth .Carbon partitioning into austenite after martensite transformation[J].Acta materialia,2003(9):2611-2622.
[14] 王建军,焦贵鹏,刘沿东,刘春明.Q&P热处理工艺对C-Si-Mn钢组织性能的影响[J].材料热处理学报,2013(03):104-107.
[15] Moor E D;Lacroix S;Clarke S et al.Effect of retained austenite stabilized via quench and partitioning on strain hardening of martensitic steels[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,2008,39:2586-2595.
[16] 王颖,张柯,郭正洪,陈乃录,戎咏华.残余奥氏体增强低碳Q-P-T钢塑性的新效应[J].金属学报,2012(06):641-648.
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