通过HOP技术,使X80管线钢获取了(B+M/A)复相组织.采用力学性能测试、显微分析和X射线衍射方法研究了在不同终冷温度条件下(B+M/A)X80管线钢的组织演变规律,分析了显微组织对力学性能的影响.结果表明,随着终冷温度的升高,贝氏体的板条宽度增加,贝氏体的含量和位错密度减小以及残余奥氏体量增加,导致材料强度降低和塑性增加.在高的终冷温度条件下,马氏体的形成、碳化物的析出和残余奥氏体的分解是材料强度增加和塑性减小的内在因素.在不同终冷温度下,实验钢的屈强比都小于0.85,均匀伸长率大于0.8％,形变强化指数大于0.10,符合大变形管线钢的技术要求.
参考文献
| [1] | 张斌,钱成文,王玉梅,张玉志.国内外高钢级管线钢的发展及应用[J].石油工程建设,2012(01):1-4,64. |
| [2] | Nobuyuki I.Design concept and production of high deformability linepipe[A].Calgary:ASME,2006:1-8. |
| [3] | 高惠临.管线钢与管线钢管[M].北京:中国石化出版社,2012 |
| [4] | 王宇,黄敏,毕宗岳,牛辉,高惠临.X80管线钢焊接接头表面自身纳米化[J].材料科学与工程学报,2009(03):465-468,364. |
| [5] | Santpfimia M J;Zhao L;Petrov R et al.Microstructure development during the quenching and portioning process in a newly designed low-carbon steel[J].Acta Meterialia,2011,59(2011):6059-6068. |
| [6] | Mola J;Cooman B C DE .Quenching and portioning processing of transformable ferritic stainless steels[J].,2011,65(2011):834-837. |
| [7] | 王国栋.新一代TMCP技术的发展[J].轧钢,2012(01):1-8. |
| [8] | M militzer;R Pandi;E B Hawblot.[A].ASM,Materials Park,OH,1997:151. |
| [9] | John G Speer,David K Matiock.Q&P钢热处理工艺的开发进展[J].世界钢铁,2009(01):31-35,39. |
| [10] | J S Kirkaldy;B A thomoson;E Bargains;D V Doane J S Kirdaldy.Harden ability concepts with applications to steel[M].TMS-AIME,Warrendale,PA,1978:126. |
| [11] | Ishikawa N;Shikana N;Kondo J.Development of ultra-high strength line pipes with dual-phases mierostructure for high strain application[J].JFE TECHNICAL REPORT,2008(12):15-19. |
| [12] | Salehi AR;Serajzadeh S;Taheri AK .A study on the microstructural changes in hot rolling of dual-phase steels[J].Journal of Materials Science,2006(7):1917-1925. |
| [13] | 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 |
| [14] | 于庆波,孙莹,倪宏昕,张凯锋.不同类型的贝氏体组织对低碳钢力学性能的影响[J].机械工程学报,2009(12):284-288. |
| [15] | Song Yang Shin.Effects of microstructure on tensile,chary impact and crack tip opening displacement property of Two API X80 pipeline steels[A].,2013(44):2013-2015. |
| [16] | 王路兵,武会宾,任毅,张鹏程,唐荻.终冷温度对X100管线钢组织与性能的影响[J].热加工工艺,2007(14):21-23,26. |
| [17] | 程时遐,张骁勇,高惠临.延迟加速冷却对X100管线钢的组织和性能的影响[J].材料科学与工程学报,2014(03):431-435,371. |
| [18] | 郝世英,高惠临,闫凯鹃,张骁勇,吉玲康,李为卫.一种大变形管线钢的组织-性能分析[J].材料工程,2012(03):61-65. |
| [19] | A.J. Clarke;J.G. Speer;D.K. Matlock .Influence of carbon partitioning kinetics on final austenite fraction during quenching and partitioning[J].Scripta materialia,2009(2):149-152. |
| [20] | Moor E DE;Lacroix S.Effect of Retained Austenite Stabilized via Quench and Partitioning on the Strain Hardening of Martensitic Steels[A].,2008(39):2590-2595. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%