研究了金属间化合物合金Ni-20Al-30Fe的超塑性行为及其机理.结果表明,该合金的显微组织由β相和γ/γ′相组成;在1023-1253 K,1.67×10-4-3.34×10-3 s-1拉伸变形时,合金呈超塑性,最大伸长率可达469%.SEM分析发现超塑性变形试样的断口呈韧性特征,在断裂区有不均匀分布的空洞存在.
参考文献
| [1] | Noebe R D, Walstan W S. In: Nathal M V, Darolia R,Liu C T, Martin P L, Miracle D B, Wagner R, Yamaguchi M eds, Structural Intermetallics 1997, New York: TMS,1997:573 |
| [2] | Wang S H, Lai W H, Guo J T, Tan M H, Yin W M. J Iron Steel Res, 1997; 9(Suppl.): 1389(王淑荷,赖万慧,郭建亭,李辉,谭明辉,殷为民.钢铁研究学报,1997;9(增刊):1389) |
| [3] | Raj S V. Metall Trans, 1992; A23:1691 |
| [4] | Raj S V, Locci I E, Noebe R D. Metall Trans, 1992; A23:1705 |
| [5] | Kim M S, Hanada S, Watanabe S Izumi O. Mater Trans JIM, 1989; 30:77 |
| [6] | Imayev R, Shagiev M, Salishehev G, Lmayev V, Valitor V. Scr Mater, 1996; 34:985 |
| [7] | Fu H C, Huang J C, Wang T D, Bampton C C. Acta Mater, 1998; 46:465 |
| [8] | Guha S, Baker I, Munroe P R. J Mater Sci, 1996; 21:4055 |
| [9] | Takasugi T, Rikukawa S, Hanada S. Acta Metall Mater,1992; 40:1895 |
| [10] | Chen R S, Guo J T, Yin W M, Zhou J Y. Acta Mater Sin,1998; 34:1121(陈荣石,郭建亭,殷为民,周继扬.金属学报,1998;34:1121) |
| [11] | Chen R S, Guo J T, Yin W M, Zhou J Y. Scr Mater, 1999;40:209 |
| [12] | Zhou W L, Guo J T, Chen R S, Zhou J Y. Acta Mater Sin, 1999; 35:995(周文龙,郭建亭,陈荣石,周继扬.金属学报,1999;35:995) |
| [13] | Takasugi T, Kishino T, Hanada S. Acta Metall Mater,1993; 4:1009 |
| [14] | Noebe R D, Cullers C L. J Mater Res, 1992; 7:604 |
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%