等通道转角挤压(ECAP)方法制备的Al-Li-Cu-Mg-Zr合金主要由晶粒小于1 μm的等轴晶组成.循环形变时,ECAP Al-Li-Cu-Mg-Zr合金在应变幅较小时先出现短暂软化,然后持续硬化;在应变幅较大时持续软化直至断裂.ECAP Al-Li-Cu-Mg-Zr合金的Coffin-Manson曲线近似一条直线.这些特性均与文献报道的峰时效Al-Li-Cu-Mg-Zr合金有所不同.
参考文献
| [1] | Valiev R Z, Islamgaliev R K, Alexandrov I V. Prog Mater Sci, 2000: 45:103 |
| [2] | Vinogradov A, Kaneko Y, Kitagawa K, Hashimoto S, Stolyarov V, Valiev R. Scr Mater, 1997: 36:1345 |
| [3] | Agnew S R, Weertman J R. Mater Sci Eng, 1998: A244:145 |
| [4] | Wu S D, Wang Z G, Jiang C B, Li G Y. Philos Mag Lett,2002: 82:559 |
| [5] | Wu S D, Wang Z G, Jiang C B, Li G Y, Alexandrov I V,Valiev R Z. Scr Mater, 2003: 48:1605 |
| [6] | Stolyarov V V, Alexandrov I V, Kolobov Yu R, Zhu M,Zhu Y, Lowe T, Valiev R Z. In: Wu X R, Wang Z G eds, Proc of the 7th Int Fatigue Congress, Beijing: Higher Education Press, 1999: 3:1435 |
| [7] | Patlan V, Vinogradov A, Higashi K, Kitagawa K. Mater Sci Eng, 2001: A300:171 |
| [8] | Vinogradov A, Nagasaki S, Patlan V, Kitagawa K, Kawazoe M. Nano Struct Mater, 1999: 11:925 |
| [9] | Chang C P, Sun P L, Kao P W. Acta Mater, 2000: 48:3377 |
| [10] | Iwahashi Y, Horita Z, Nemoto M, Langdon T G. Acta Mater, 1998: 46:3317 |
| [11] | Venkateswara Rao K T, Ritchie R O. Mater Sci Technol,1989: 5:882 |
| [12] | Wang Z G, Zhang Y, Hu Z Q, He S Y, Li Q J. Acta Metall Sin, 1992: 28A: 230(王中光,张匀,胡壮麒,何世禹,李清健.金属学报,1992:28A:230) |
| [13] | Furukawa M, Miura Y, Nemoto M. Trans JIM, 1985: 26:230 |
| [14] | Srivatsan T S, Coyne E J Jr. Mater Sci Technol, 1989: 5:548 |
| [15] | Calabrese C, Laird C. Mater Sci Eng, 1974: 13:159 |
| [16] | Stoltz R E, Pineau A G. Mater Sci Eng, 1978: 34:275 |
| [17] | Valiev R Z, Kozlov E V, Ivanov Y F, Lian J, Nazarov A A, Baudelet B. Acta Metall Mater, 1994: 42:2467 |
| [18] | Coffin L F Jr. J Mater, 1971: 6:388 |
| [19] | Sanders T H Jr, Starke E A Jr. Metall Trans, 1976: 7:1407 |
| [20] | Liu S M. Wang Z G. Scr Mater, 2003: 48:1421 |
| [21] | Zhang Z F, Wang Z G. Acta Mater, 2003: 51:347 |
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%