尹云洋,杨王玥,李建成,李龙飞,孙祖庆,王西涛

• 1:北京科技大学材料科学与工程学院
• 2:北京科技大学新金属材料国家重点实验室

摘要(Abstract)：

通过热模拟压缩实验,研究了基于动态相变的热轧C-Mn-Si系TRIP钢的组织特征及性能特点。结果表明,通过基于动态相变的热轧工艺,可以获得具有铁素体晶粒尺寸细小、贝氏体团径较小、贝氏铁素体板条较短且位向混乱、颗粒状残余奥氏体较多且分布弥散等特点的热轧TRIP钢。与750℃等温相变的热轧工艺相比,基于动态相变的热轧工艺制备的TRIP钢具有较高的强度和良好的塑性。

关键词(KeyWords)： 热轧TRIP钢;动态相变;铁素体;残余奥氏体;贝氏铁素体;力学性能

Abstract:

Keywords:

基金项目(Foundation): 国家高技术研究发展计划资助(2007AA03Z501)

作者(Author): 尹云洋,杨王玥,李建成,李龙飞,孙祖庆,王西涛

参考文献(References)：

• [1]Jacques P J,Girault E,Mertens A,et al.The development of cold-rolled TRIP-assisted multiphase steels Al-alloyed TIRP-assisted multiphase steels[J].ISIJInt,2001,41(9):1068-1074.
• [2]Basuki A,Aernoudt E.Effect of deformation in the intercritical area on the grain refinement of retained austenite of 0.4C TRIP steel[J].Scipta Materialia,1999,40:1003-1008.
• [3]Timokhina I B,Hodgson P D,Pereloma E V.Effect of microstructure on the stability of retained austenite in transformation-induced-plasticity steels[J].Metallurgical and Materials Transactions A,2004,35(8):2331-2341.
• [4]Hanzaki A Z,Hodgson P H,Yue S.Hot deformation characteristics of Si-Mn TRIP steels with and without Nb microalloy additions[J].ISIJ Int,1995,35(3):324-331.
• [5]Timokhina I B,Hodgson P D,Pereloma E V.Effect of deformation schedule on the microstructure and mechanical properties of a thermomechanicallyprocessed c-Mn-Si transformation-induced plasticity steel[J].Metallurgical and Materials Transactions A,2003,34(8):1599-1609.
• [6]杨王,齐俊杰,孙祖庆,等.低碳钢形变强化相变的特征[J].金属学报,2004,40(2):135-140.YANG Wang-yue,QI Jun-jie,SUN Zu-qing,et al.Characteristics of deformation enhanced transformation in low carbon steel[J].Acta Metallurgica Sinica,2004,40(2):135-140.
• [7]齐俊杰,杨王,孙祖庆,等.低碳钢SS400形变强化相变组织演变的动力学[J].金属学报,2005,41(6):605-610.QI Jun-jie,YANG Wang-yue,SUN Zu-qing,et al.Kinetics of structure evolution during deformation enhanced transformation in a low carbon steel SS400[J].Acta Metallurgica Sinica,2004,40(2):135-140.
• [8]尹云洋,杨王,李龙飞,等.基于动态相变的热轧C-Mn-Al-Si系TRIP钢组织演变[J].金属学报,2008,44(6):686-692.YIN Yun-yang,YANG Wang-yue,LI Long-fei,et al.Microstructure evaluation of hot rolled C-Mn-Al-Si TRIP steel based on dynamic transformation ofundercooled austenite[J].Acta Metallurgica Sinica,2008,44(6):686-692.
• [9]尹云洋,杨王,李龙飞,等.基于动态相变的热轧TRIP钢组织及性能研究[J].金属学报,2008,44(11):1299-1304.YIN Yun-yang,YANG Wang-yue,LI Long-fei,et al.Microstructure and mechanical properties of hot rolled C-Mn-(Al)-Si TRIP steels based on dynamictransformation of undercooled austenite[J].Acta Metallurgica Sinica,2008,44(11):1299-1304.
• [10]De Meyer M,Mahieu J,de Cooman B C.Empirical microstructure prediction method for combined intercritical annealing and baintic transformation of TRIPsteel[J].Materials Science and Technology,2002,18(10):1121-113.
• [11]Sun Z Q,Yang W Y,Qi J J,et al.Deformation enhanced transformation and dynamic recrystallization of ferrite in a low carbon steel during multipass hotdeformation[J].Materials Science and Engineering A,2002,334:201-206.
• [12]Mahieu J,Dooren D V,Barbe L,et al.Influence of Al,Si and P on the kinetics of intercritical annealing of TRIP-aided steels thermodynamical predictionand experimental verification[J].Steel Research,2002,73(6+7):267-272.
• [13]Luo H W,Zhao L,Kruijver S O,et al.Effect of intercritical deformation on bainite formation in Al-containing TIRP steel[J].ISIJ Int,2003,43(8):1219-1227.
• [14]Edmonds D V,Cochrane R C.Structure-property relationships in bainitic steels[J].Metallurgical Transactions A,1990,21(6):1527-1539.
• [15]Haidemenopoulos G N,Vasilakos A N.Modelling of austenite stability in low-alloy triple-phase steels[J].Steel Research,1996,67(11):513-519.
• [16]Der Zwaag S,Zhao L,Suzelotte O,et al.Thermal and mechanical stability of retained austenite in aluminum-containing multiphase TRIP steels[J].ISIJ Int,2002,42(12):1565-1570.
• [17]Jacques P,Furnemont O,Mertens A,et al.On the sources of work hardening in multiphase steels assisted by transformation-induced plasticity[J].Philosophical Magazine A,2002,81(7):1789-1812.
• [18]Tomota Y,Tokuda H,Adachi Y,et al.Tensile behavior of TRIP-aided multi-phase steels studied by in situ neutron diffraction[J].Acta Materialia,2004,52:5737-5745.

文章评论(Comment)：