利用电子背散射衍射技术,研究了Fe-25Mn-2.5Si-2Al孪品诱发塑性钢(TWIP钢)冷轧变形后退火再结晶微观组织的晶界特征、晶粒取向差和织构,分析了不同退火温度对晶界特征和织构的影响.结果表明:随着退火温度的升高,TWIP钢中∑1CSL晶界含量减少,∑3CSL晶界含量增加;α-取向线密度呈下降的趋势,β-取向线密度总体上升;G{011}＜100＞取向强度呈下降趋势,而B{011}＜211＞、S{123}＜634＞、Cu{112}＜111＞等取向强度呈上升趋势.
参考文献
| [1] | Graseel O;Frommeyer G;Derder C et al.Phase transformation and mechanical properties of Fe-Mn-Si-Al TRIP-steels[J].Phys IV France,1997,C5:383. |
| [2] | Vercannen S;Blanpain B;Decooman B C et al.Cold rolling behavior of an austenitic Fe-30Mn-3Si-Al TWIP-steel:the importance of deformation twining[J].Acta Materials,2004,52:2005-2012. |
| [3] | T. Watanabe;S. Tsurekawa;X. Zhao .Grain Boundary Engineering by Magnetic Field Application[J].Scripta materialia,2006(6):969-975. |
| [4] | Rajib Saha;Ray R K .Microstructural and textural changes in a severely cold rolled boron-added interstitial-free steel[J].Scripta Materialia,2007,57(09):841-844. |
| [5] | Roumen Petrov;Leo Kestens;Anna Wasilkowska .Microstructure and texture of a lightly deformed TRIP-assisted steel characterized by means of the EBSD technique[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2007(1/2):285-297. |
| [6] | Brandon D G .Structure of high-angle grain boundaries[J].Acta Metallurgica,1966,14(11):1479-1484. |
| [7] | 毛卫民;赵新兵.金属的再结晶与晶粒长大[M].北京:冶金工业出版社,1994:242-259. |
| [8] | 王卫国,周邦新,冯柳,张欣,夏爽.冷轧变形Pb-Ca-Sn-Al合金在回复和再结晶过程中的晶界特征分布[J].金属学报,2006(07):715-721. |
| [9] | 曹圣泉,张津徐,吴建生,陈家光.IF钢织构与晶界特征分布的研究[J].金属学报,2004(10):1045-1050. |
| [10] | 熊荣刚,符仁钰,黎倩,张梅,李麟.TWIP钢的拉伸应变硬化行为[J].钢铁,2007(11):61-64. |
| [11] | 熊荣刚,符仁钰,苏钰,李麟.动态拉伸条件下TWIP钢的断裂机制[J].上海金属,2008(05):12-15. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%