用膨胀法和高温激光共聚焦显微镜分别对CrNi3Si2MoVNb钢经淬火和碳再配分(Q&P,Quenching and Partitioning)工艺的相变及马氏体相变的组织不均匀性进行表征,讨论了组织不均匀性对Q&P工艺钢微观组织的影响.结果表明,CrNi3Si2MoVNb钢第一次淬火过程中先形成马氏体在某些区域的批次增加,将原奥氏体晶粒分割成尺寸不同的若干区域,尺寸较大的未转变奥氏体稳定性较差,最终淬火过程中容易发生马氏体转变成二次淬火马氏体,而尺寸较小的更易于成为残留奥氏体.
参考文献
| [1] | 徐祖耀.钢热处理的新工艺[J].热处理,2007(01):1-11. |
| [2] | Matlock D K,Br(a) utigam V E,Speer J G .Matlock D K,Br(a) utigam V E,Speer J G.Application of the quenching and partitioning (Q&P) process to a medium-carbon high Si microalloyed bar steel[J].Materials Science Forum,2003,426(8):1089-1094.,2003. |
| [3] | Edmonds D V,Rizzo K,He F C,et al .Quenching and partitioning martensite-a novel steel heat treatment[J].Mater Sci Eng A,2006,438(25):25-34.,2006. |
| [4] | Rizzo F,Martins A R,Speer J G .Quenching and partitioning of Ni-added high strength steel[J].Materials Science Forum,2007,539(3):4476-4481.,2007. |
| [5] | Zhong N,Wang X D,Huang B X,et al.M icrostructures and mechanical property of quenched and partitioned Fe-C-Mn-Si steel[C]//Prec.3rd Inter.Conf.on advanced structural steels.Korea:Inst.Metals and Materials,Gyeongju,2006:885-891.,2006. |
| [6] | DeCooman B C,Speer J G.Microstructure-properties relationships in quench and partition (Q&P) steel,implications for automotive anti-instrusion applications[C]//Prec.3rd Inter.Conf.on Advanced Structural Steels.2006,Inst.Metals and Materials.Gyeongju,Korea,798-805.,2006. |
| [7] | 王存宇,时捷,曹文全,等 .Q&P 工艺处理钢的单轴拉伸性能研究[J].材料热处理学报,2010,31(6):83-88.WANG Cun-yu,SHI Jie,CAO Wen-quan,et al.Study on uniaxial tension properties of steel treated by Q&P process[J].Transactions of Materials and Heat Treatment,2010,31 (6):83-88.,2010. |
| [8] | 王存宇.30GPa%级超高强度马奥组织薄板钢的研究[D].北京:钢铁研究总院,2010.,2010. |
| [9] | Speer J G,Streicher A M,matloch D K,et al.Quenching and partitioning:a fundamentally new process to create high strength TRIP sheet microstructures[C]//Damm E B,Merwin M J,eds.Symposium on the Thermodynamics,Kinetics,Characterization and modeling of Austenite Formation and Decomposition.Warrendale,2003:505-522.,2003. |
| [10] | Hillert M,Agren J .On the definitions of paraequilibrium and orthoequilibrium[J].Scripta Materialia,2004,50(5):697-699.,2004. |
| [11] | Hillert M,Agren J .Reply to comments on "on the definition of paraequilibrium and orthoequilibrium"[J].Scripta Materialia,2005,52(1):87-88.,2005. |
| [12] | 崔忠圻.金属学与热处理[M].北京:机械工业出版社,1997.,1997. |
| [13] | 杜树昌.热处理实验[M].北京:机械工业出版社,1994.,1994. |
| [14] | Koistinen D P,Marburger R E .A general equation prescribing the extent of the austenite-martensite transformation in pure iron carbon alloys and plain carbon steel[J].Acta Metallurgica,1959,7(1):59-60.,1959. |
| [15] | Kurdjumov G V,Kaminsky E .X-Ray studies of the structure of quenched carbon steel[J].Nature,1928,122(3074):475-476.,1928. |
| [16] | Wells C,Mehl R F .Rate of diffusion of carbon in austenite in plain carbon in nickel and in manganese steels[J].Transactions of the Metallurgical Society of AIME,1940,140 |
| [17] | 王存宇,时捷,曹文全,惠卫军,王毛球,董瀚.Q&P工艺处理低碳CrNi3Si2MoV钢中马氏体的研究[J].金属学报,2011(06):720-726. |
| [18] | WANG Cun-yu,SHI Jie,CAO Wen-quan,et al .Microstructure characterization of low alloy martenstic steel processed by quenching and partitioning[J].Materials Science & Engineering A,2010,527(15):3442-3449.,2010. |
| [19] | WANG CunYu,ZHANG YuJie,CAO WenQuan,SHI Jie,WANG MaoQiu,DONG Han.Austenite/martensite structure and corresponding ultrahigh strength and high ductility of steels processed by Q&P techniques[J].中国科学:技术科学（英文版）,2012(07):1844-1851. |
| [20] | Marder A R,Krauss G .The formation of low-carbon martensite in Fe-C alloys[J].Trans ASM,1969,62(4):957-964.,1969. |
| [21] | Krauss G,Marder A R .The morphology of martensite in iron alloys[J].Metall Trans,1971,2(9):2343-2357.,1971. |
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%