采用大变形技术"挤压-剪切"(Extrusion-shear,ES)工艺挤压AZ31镁合金并研究其组织和织构演变.结果表明:经ES工艺挤压后能得到细小均匀的再结晶晶粒;其宏观组织内存在多种类型的织构,削弱了基面织构的主导地位;由极图可知{0002}基面织构强度下降,ES工艺的再结晶机制是连续动态再结晶.
参考文献
| [1] | S. M. Kim;J. Kim;D. H. Shin;Y. G. Ko;C. S. Lee;S. L. Semiatin .Microstructure development and segment formation during ECA pressing of Ti–6Al–4V alloy[J].Scripta materialia,2004(7):927-930. |
| [2] | V.S. Zhernakov;V.V. Latysh;V.V. Stolyarov .THE DEVELOPING OF NANOSTRUCTURED SPD Ti FOR STRUCTURAL USE[J].Scripta materialia,2001(8-9):1771-1774. |
| [3] | CABIBBO M;EVANGELISTA E;LATINI V et al.Development of nanostructured 1200 and 3103 aluminum alloys by equal channel angular pressing[J].Materials Science Forum,2003,426-432(03):2673-2680. |
| [4] | XK M A;MIYAHARA A Z;HORATA A et al.Mechanical Properties Evolution in ECAP Processed AZ61 Mg alloys[J].Acta Materialia,2003,51:3073-3084. |
| [5] | KIYOSHI M;YUICHI M;ZENJI H at el .Effect of microstructural factors on an ECAE-Processed AZ31 Magnesium alloy[J].Langdon Metallurgical and Materials Transactions,2004,35A(06):1735-1744. |
| [6] | CHEN Y J;WANG Q D;LI J B et al.Micostructure and mechanical properties of AZ31 Mg alloy processed by high ratio extrusion[J].Transactions of Nonferrous Metals Society of China,2006,16(z1):875-878. |
| [7] | Kiyotaka Nakashima;Zenji Horita;Minoru Nemoto .Influence of channel angle on the development of ultrafine grains in equal-channel angular pressing[J].Acta materialia,1998(5):1589-1599. |
| [8] | 张丁非;胡红军;刘杰慧 .连续转角剪切的挤压整形制备镁合金型材的方法[P].公开号:200810233106.0 |
| [9] | 刘祖岩;王尔德;王仲仁 .等径侧向挤压应变分析[J].材料科学与工艺,1998,6(02):21-23. |
| [10] | 陈振华.变形镁合金[M].北京:化学工业出版社,2005:330-350. |
| [11] | YOSHIDA Y;KAMADO S;KOJIMA Y .Application of ECAE processed magnesium alloys[J].Japanese Journal of Institute of Light Metals,2001,51(10):556-562. |
| [12] | 孟利,杨平,崔凤娥,赵祖德.镁合金AZ31动态再结晶行为的取向成像分析[J].北京科技大学学报,2005(02):187-192. |
| [13] | 蒋佳,刘伟,Andrew Godfrey,刘庆.AZ31镁合金孪生行为的EBSD研究[J].中国体视学与图像分析,2005(04):237-240. |
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%