采用Thermecmastor Z热模拟机研究了低碳贝氏体钢奥氏体热变形以及弛豫时间对低碳贝氏体相变的影响.结果表明:塑性变形抑制贝氏体相变,随着变形量增大,相变开始温度降低,初始转变速率加快,最终转变量减小;随着弛豫时间延长,相变开始温度和转变量逐渐升高并最终趋于稳定.弛豫一定时间使贝氏体板条束界面清晰,板条细化.
参考文献
| [1] | H. K. D. H. Bhadeshia .The bainite transformation: unresolved issues[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1999(0):58-66. |
| [2] | Shipway P H;Bhadeshia H K D H .Mechanical stabilization of bainite[J].Materials Science and Technology,1995,11:1116-1128. |
| [3] | J.R.Yang;C.Y.Huang .Mechanical Stabilization of Austenite against Bainitic Reaction in Fe-Mn-Si-C Bainitic Steel[J].Materials transactions,1996(4):579-585. |
| [4] | Larn R H;Yang J R .The effect of compressive deformation of austenite on the bainitic ferrite transformation in Fe-Mn-Si-C steels[J].Materials Science and Engineering A,2000,A278:278-291. |
| [5] | Yakubtsov I A;Boyd J D .Bainite transformation during continous cooling of low carbon microalloyed steel[J].Materials Science and Technology,2001,17:296-281. |
| [6] | Chiou CS.;Huang CY.;Yang JR. .The effect of prior compressive deformation of austenite on toughness property in an ultra-low carbon bainitic steel[J].Materials Chemistry and Physics,2001(1/3):113-124. |
| [7] | Huang C Y;Yang J R;Wang S C .Effect of compressive deformation on the transformation behavior of an ultra-low-carbon bainite steel[J].Materials Transactions,1993,34:658-668. |
| [8] | 王建平,杨志刚,白秉哲,方鸿生,冯勇,徐洪庆.奥氏体形变对仿晶界型铁素体/粒状贝氏体复相钢组织和强韧性能的影响[J].金属学报,2004(03):263-269. |
| [9] | Ming-Chun Zhao;Ke Yang;Fu-Ren Xiao .Continuous cooling transformation of undeformed and deformed low carbon pipeline steels[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2003(1/2):126-136. |
| [10] | Toru Araki;Masato Enomoto .Microstructual aspects of bainitic and bainite-like ferritic structures of continuously cooled low carbon(＜0.1%)HSLA steels[J].MATERIALS TRANSACTIONS,1991,32(08):729-736. |
| [11] | 尚成嘉,王学敏,杨善武,贺信莱,武会宾.高强度低碳贝氏体钢的工艺与组织细化[J].金属学报,2003(10):1019-1024. |
| [12] | 尚成嘉,杨善武,王学敏,侯华兴,于功利,王文仲.低碳贝氏体钢的组织类型及其对性能的影响[J].钢铁,2005(04):57-61. |
| [13] | K. FUJIWARA;S. OKAGUCHI;H. OHTANI .Effect of hot deformation on bainite structure in low carbon steels[J].ISIJ International,1995(8):1006-1012. |
| [14] | J. R. YANG;C. Y. HUANG;C. S. CHIOU .The influence of plastic deformation and cooling rates on the microstructural constituents of an ultra-low carbon bainitic steel[J].ISIJ International,1995(8):1013-1019. |
| [15] | Bramfitt B L;Speer J G .A perspective on the morphology of bainite[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1990,21:817-829. |
| [16] | H. S. Zurob;C. R. Hutchinson;Y. Brechet;G. Purdy .Modeling recrystallization of microalloyed austenite: effect of coupling recovery, precipitation and recrystallization[J].Acta materialia,2002(12):3075-3092. |
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