高锰TWIP钢的冷轧变形行为Cold rolling behaviour of a high Mn TWIP steel
苏钰,李麟,符仁钰,刘淑梅
摘要(Abstract):
研究了低层错能奥氏体TWIP钢的冷轧组织和织构的演变。随着应变的增加,孪晶变形机制被激活。TEM、XRD等观察结果显示:随着应变量的增加,孪晶增加。在不同应变水平上,G{011}<100>织构都占主要位置。变形初始时,B{011}<211>织构强度较低,随着应变增加其强度显著增加。而E{111}<011>、Y{111}<112>、RG{011}<011>、Cu{112}<111>、CuT{552}<115>等织构在不同应变水平呈不同变化趋势。与其他织构相比,Cube{001}<100>织构强度相当低。
关键词(KeyWords): 奥氏体;TWIP钢;冷轧;织构;孪晶
基金项目(Foundation): 国家自然科学基金(50671061);; 上海市重点学科建设项目(J51402)
作者(Author): 苏钰,李麟,符仁钰,刘淑梅
DOI: 10.13289/j.issn.1009-6264.2012.01.015
参考文献(References):
- [1]Jiménez J A,Frommeyer G.Analysis of the microstructure evolution during tensile testing at room temperature of high-manganese austenitic steel[J].Materials Characterization,2010,61(2):221-226.
- [2]Christian J W,Mahajan S.Deformation twinning[J].Progress in Materials Science,1995,39(1-2):1-157.
- [3]Olson G B.Effects of Stress and Deformation on Martensite Formation[M].Encyclopedia of Materials:Science and Technology,2008:2381-2384.
- [4]Georg Frommeyer,Udo Brüx,Peter Neumann.Supra-ductile and high-strength manganese TRIP/TWIP steels for high energy absorption purposes[J].ISIJ International,2003,43(3):438-446.
- [5]黎倩,熊荣刚.TWIP钢显微组织与变形机制研究[J].材料热处理学报,2008,29(2):52-55.LI Qian,XIONG Rong-gang.Microstructure and deformation mechanism of TWIP steels[J].Transactions of Materials and Heat Treatment,2008,29(2):52-55.
- [6]Vercannen S,Blanpain B,Decooman B C,et al.Cold rolling behavior of an austenitic Fe-30Mn-3Si-Al TWIP-steel:the importance of deformationtwining[J].Acta Material,2004,52:2005-2012.
- [7]Barbier D,Gey N,Allain S,et al.Analysis of the tensile behavior of a TWIP steel based on the texture and microstructure evolutions[J].MaterialsScience and Engineering A,2009,500(1-2):196-203.
- [8]Schramm R E,Reed R P.Staching fault energies of seven commercial austenitic stainless steels mat[J].Metallurgical Transactions A,1975,6A:1345-1351.
- [9]戎咏华,孟庆平,何刚,等.Fe-Mn合金层错能嵌入原子法计算[J].上海交通大学学报,2003,37(2):171-174.RONG Yong-hua,MENG Qing-ping,HE Gang,et al.Calculation of the stacking fault energies of Fe-Mn alloys by embedded atom method[J].Journalof Shanghai Jiaotong University,2003,37(2):171-174.
- [10]Meyers M A,Vohringer O,Lubarda V A.The onset of twinning in metals:a constitutive description[J].Acta Mater,2001,49(14):4025-4039.
- [11]Grassel O,Kruger L,Frommeyer G,et al.High strength Fe-Mn-(Al,Si)TRIP/TWIP steels development-properties-application[J].InternationalJournal of Plasticity,2000,16:1391-1409.
- [12]Georg Frommeyer,Udo Brüx,Peter Neumann.Supra-ductile and high-strength manganese-TRIP/TWIP steels for high energy absorption purposes[J].ISIJ International,2003,43(3):438-446.
- [13]夏爽,周邦新,陈文觉.形变及热处理对690合金晶界特征分布的影响[J].稀有金属材料与工程,2008,37(6):999-1003.XIA Shuang,ZHOU Bang-xin,CHEN Wen-jue.Effect of deformation and heat-treatments on the grain boundary character distribution for 690 alloy.[J]Rare Metal Materials and Engineering,2008,37(6):999-1003.
- [14]El-Danaf E,Kalidindi S R,Doherty R D,et al.Deformation texture transition in brass:critical role of micro-scale shear bands[J].Acta Mater,2000,48:2665-2673.
- [15]Ravi Kumar B,Mahato B,Bandyopadhay N R,et al.Influence of strain-induced phase transformation on the surface crystallographic texture in cold-rolled-and-aged austenitic stainless steel[J].Metallurgical and Materials Transactions A,2005(36):3165-3174.
文章评论(Comment):
|
||||||||||||||||||
|
||||||||||||||||||