第36卷第5期 北京科技大学学报 Vol.36 No.5 2014年5月 Journal of University of Science and Technology Beijing May 2014 430不锈钢冷轧板高温退火过程中再结晶织构的定量 分析 王乃帅，张雄”，温治)，豆瑞锋区，李志强” 1)北京科技大学机械工程学院，北京1000832)北京科技大学治金工业节能减排北京市重点实验室，北京100083 ☒通信作者，E-mail:douruifeng@(126.com 摘要在750,800.825和850℃温度下，利用Gleeble1500热模拟试验机对430不锈钢冷轧薄板的等温退火过程进行了详细 的实验研究，分析了退火过程中再结晶织构和组织的变化规律，并对关键织构体积分数的演变进行了定量分析.结果发现：随 着退火过程的进行，α《取向线上的织构强度逐渐减弱，而Y取向线上的织构强度则略有加强，并保持在较高的值：再结晶过程 中，{111}和{112}<110>织构的体积分数逐渐降低，而{100}和随机取向晶粒的体积分数逐渐增加.定量分析表明，退火温 度越低，完全再结晶后材料内部关键织构的体积分数越偏离冷轧态.最后，针对{111}、{112}〈110>、{100}和随机取向织构 的体积分数在再结晶过程中的演变规律，建立了MAK型再结晶织构演变动力学模型. 关键词不锈钢：等温退火；再结品；织构 分类号TG142.71 Quantitative analysis of the recrystallized textures of cold-rolled 430 stainless steel during high-temperature annealing WANG Nai-shuai,ZHANG Xiong,WEN Zhi,DOU Rui-feng,LI Zhi-qiang) 1)School of Mechanical Engineering,University of Science and Technology Beijing,Beijing 100083,China 2)Beijing Key Laboratory for Energy Saving and Emission Reduction of Metallurgical Industry,University of Science and Technology Beijing,Beijing 100083,China Corresponding author,E-mail:douruifeng@126.com ABSTRACT Variations in the recrystallized texture and microstructure of cold-rolled 430 stainless steel during isothermal annealing were investigated on a Gleeble-1500 thermal-mechanic simulator at 750,800,825 and 850C,and the evolution of main textures was analyzed quantitatively.As annealing proceeds,the intensity of a-fiber orientation components decreases,but the intensity of y-fiber components increases slightly and maintains at a higher value.The volume fraction of (111)and (112)(110>decreases as recrystal- lization proceeds,while the volume fraction of (100}and random orientation textures increases.Compared with the cold-rolled state,it is observed that the volume fraction of main textures has greater changes in annealing at low temperature than at high temperature. Finally,variations in the volume fraction of (111},(112)(110,(100}and random orientation textures during recrystallization were described by a JMAK kinetics model. KEY WORDS stainless steel:isothermal annealing:recrystallization:textures 430不锈钢属于最早开发的铁素体不锈钢钢种替了奥氏体不锈钢·习.为了满足这些领域对薄板 之一，由于不含镍且有很强的抗氯化物应力腐蚀能 材料性能的要求，需要保证430薄板有很好的深冲 力等优势，其在家电和汽车领域已经很大程度上代 性能以及成型性能.冷轧板的再结晶织构是影响其 收稿日期：20130303 基金项目：中央高校基本科研业务费专项资金资助项目(FRF一AS-10O05B) DOI:10.13374/j.issn1001-053x.2014.05.010:http://journals.ustb.edu.cn第 36 卷 第 5 期 2014 年 5 月 北京科技大学学报 Journal of University of Science and Technology Beijing Vol． 36 No． 5 May 2014 430 不锈钢冷轧板高温退火过程中再结晶织构的定量 分析 王乃帅1) ，张 雄1) ，温 治2) ，豆瑞锋1) ，李志强1) 1) 北京科技大学机械工程学院，北京 100083 2) 北京科技大学冶金工业节能减排北京市重点实验室，北京 100083  通信作者，E-mail: douruifeng@ 126． com 摘 要 在 750、800、825 和 850 ℃温度下，利用 Gleeble1500 热模拟试验机对 430 不锈钢冷轧薄板的等温退火过程进行了详细 的实验研究，分析了退火过程中再结晶织构和组织的变化规律，并对关键织构体积分数的演变进行了定量分析． 结果发现: 随 着退火过程的进行，α 取向线上的织构强度逐渐减弱，而 γ 取向线上的织构强度则略有加强，并保持在较高的值; 再结晶过程 中，{ 111} 和{ 112} ＜ 110 ＞ 织构的体积分数逐渐降低，而{ 100} 和随机取向晶粒的体积分数逐渐增加． 定量分析表明，退火温 度越低，完全再结晶后材料内部关键织构的体积分数越偏离冷轧态． 最后，针对{ 111} 、{ 112} ?110 ＞ 、{ 100} 和随机取向织构 的体积分数在再结晶过程中的演变规律，建立了 JMAK 型再结晶织构演变动力学模型． 关键词 不锈钢; 等温退火; 再结晶; 织构 分类号 TG 142. 71 Quantitative analysis of the recrystallized textures of cold-rolled 430 stainless steel during high-temperature annealing WANG Nai-shuai1) ，ZHANG Xiong1) ，WEN Zhi2) ，DOU Ｒui-feng1)  ，LI Zhi-qiang1) 1) School of Mechanical Engineering，University of Science and Technology Beijing，Beijing 100083，China 2) Beijing Key Laboratory for Energy Saving and Emission Ｒeduction of Metallurgical Industry，University of Science and Technology Beijing，Beijing 100083，China  Corresponding author，E-mail: douruifeng@ 126． com ABSTＲACT Variations in the recrystallized texture and microstructure of cold-rolled 430 stainless steel during isothermal annealing were investigated on a Gleeble-1500 thermal-mechanic simulator at 750，800，825 and 850 ℃，and the evolution of main textures was analyzed quantitatively． As annealing proceeds，the intensity of α-fiber orientation components decreases，but the intensity of γ-fiber components increases slightly and maintains at a higher value． The volume fraction of { 111} and { 112} ?110 ＞ decreases as recrystal￾lization proceeds，while the volume fraction of { 100} and random orientation textures increases． Compared with the cold-rolled state，it is observed that the volume fraction of main textures has greater changes in annealing at low temperature than at high temperature． Finally，variations in the volume fraction of { 111} ，{ 112} ?110? ，{ 100} and random orientation textures during recrystallization were described by a JMAK kinetics model． KEY WOＲDS stainless steel; isothermal annealing; recrystallization; textures 收稿日期: 2013--03--03 基金项目: 中央高校基本科研业务费专项资金资助项目( FＲF--AS--10--005B) DOI: 10． 13374 /j． issn1001--053x． 2014． 05． 010; http: / /journals． ustb． edu． cn 430 不锈钢属于最早开发的铁素体不锈钢钢种 之一，由于不含镍且有很强的抗氯化物应力腐蚀能 力等优势，其在家电和汽车领域已经很大程度上代 替了奥氏体不锈钢［1--2］． 为了满足这些领域对薄板 材料性能的要求，需要保证 430 薄板有很好的深冲 性能以及成型性能． 冷轧板的再结晶织构是影响其