本文针对低C,高Mn和高Nb化学成分,采用轧后弛豫控制相变的组织调控技术得到5种不同铁素体/贝氏体(F/B)体积含量的双相组织钢.用改进的C-J分析方法分析了软相(铁素体)含量,研究了晶粒尺寸对加工硬化性能的影响,以及以铁素体和贝氏体为主的软硬相混合组织的塑性变形协调关系.并用电子背散射(EBSD)技术验证了双相组织在均匀塑性变形阶段的协调变形行为.结果表明,软硬相的合理比例有利于提高加工硬化程度(高Rt1.5/Rt0.5),降低屈强比,同时能保证较高的均匀变形能力,铁素体与贝氏体之间的协调变形是提高双相组织钢应力比和均匀伸长率的主要机制.
参考文献
[1] | Li H L,Li X,Ji L K.Weld Pipe Tube,2007; 30(5):6(李鹤林,李霄,吉玲康.焊管,2007; 30(5):6) |
[2] | Shang C J,Yang S W,Wang X M,He X L.J Univ SciTechnol Beijing,2003; 25:288(尚成嘉,杨善武,王学敏,贺信莱.北京科技大学学报,2003:25:288) |
[3] | Llewellyn D T,Hillis D J.Ironnak Steelmak,1996; 23(6):66 |
[4] | Saleh M H,Priestner R.J Mater Process Technol,2001;113:587 |
[5] | Bayram A,Uguz A,Ula M.Mater Charact,1999; 43:259 |
[6] | Colla V,Sanctis M D,Dimatteo A,Lovicu G,Solina A,Valentini R.Metall Mater Trars,2009; 40A:2557 |
[7] | Fujibayashi A,Omata K.JFE Technol Rev,2005; 5:11 |
[8] | Shinmiya T,Ishikawa N,Okatsu M,Endo S,Shikanai N,Kondo J.Proc 16th Int Offshore and Polar Engineering Conference,Lisbon,Portugal:International Society of Offshore and Polar Engineers (ISOPE),2007:2963 |
[9] | Jiao D T,Cai Q W,Wu H B.Acta Metall Sin,2009; 45:1111(焦多田,蔡庆武,武会宾.金属学报,2009; 45:1111) |
[10] | Watanabe Y,Ishibashi K,Yoahii K.Nippon Steel Tech Rep,2004; 90:53 |
[11] | Homma K,Tanaka M,Matsuoka K,Kasuya T,Kawasaki H.Nippon Steel Tech Rep,2008:97:51 |
[12] | Jiang Z,Guan Z,Lian J.J Mater Sci,1993; 28:1814 |
[13] | Son Y I,Lee Y K,Park K T,Lee C S,Shin D H.Acta Mater,2005; 53:3125 |
[14] | Podder A S,Bhattacharjee D,Ray R K.ISIJ Int,2007;47:1058 |
[15] | Umemoto M,Liu Z G,Sugimoto S,Tsuchiya K.Metall Mater Trans,2000; 32A:1785 |
[16] | Kumar A,Singh S B,Ray K K.Mater Sci Eng,2008;A474:270 |
[17] | Bag A,Ray K K,Dwarkadasa E S.Metall Trans,1999;30A:1193 |
[18] | Ishikawa N,Parks D M,Socrate S,Kurihara M.ISIJ Int,2000; 40:1170 |
[19] | Huper T,Endo S,Ishikawa O,Osawa K.ISIJ Int,1999;39:288 |
[20] | Shikana N,Kagawa H,Kuriha M.ISIJ Int,1992; 32:337 |
[21] | Chang P H,Preban A G.Acta Metall,1985; 33:897 |
[22] | DeArdo A J.ISIJ Int,1995; 35:946 |
[23] | Sch(o)berl T,Gupta H S,Fratzl P.Mater Sci Eng,2003;A363:211 |
[24] | Yu Q B,Zhao X P,Sun B.Iron Steel,2007; 42:76(于庆波,赵贤平,孙斌.钢铁,2007; 42:76) |
[25] | Jiang Z H,Guan Z Z,Lian J S.Mater Sci Eng,1995;A190:55 |
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