对低压浸渗、挤压比为10∶1的热挤压以及固溶处理制备的15 vol%SiCW/Zn-22Al复合材料的超塑性进行了研究.研究表明:在温度为658 K、初始应变速率为6.67×10-2s-1的拉伸变形条件下,其伸长率为150 %,应变速率敏感指数m值约为0.33.
参考文献
| [1] | Kim J S, Kaneko J, Sugamta M. Elevated temperature deformation of SiC whisker/Zn-22Al alloy composites [A]. ln:Hori S, Tokizane N, Furushir, eds. Superplasticity in Advanced Materials [C]. 1991. 391-398. |
| [2] | Nieh T G, Wadsworth J. The role of liquid phase on superplasticity in metals and ceramics [J]. Mat Sci Forum, 1997, 233-234:383-398. |
| [3] | Mishra R S, Bieler T R, Mukherjee A K. Mechanism of high strain rate superplasticity in aluminum alloy composites [J]. Acta Metall Mater, 1997, 45(2):561-568. |
| [4] | Xu X J, Zhang D, Shi Z L, et al. High strain rate superplasticity in a SiCW/2024Al composite made by squeeze casting [J]. Acta Metallurgiaca Sinica,1998,11(4):275. |
| [5] | Xu X J, Zhao C Z, Zhang D, et al.High strain rate superplasticity of SiC whisker reinforced pure aluminum composite [J]. Transactions of Nonferrous Metals Society of China,1999,9(3):500. |
| [6] | Xu X J. Role of Liquid in High Strain Rate Superplasticity of Aluminum Matrix Composite(微量液相与铝基复合材料的高应变速率超塑性) [J].Aerospace Materials & Technology(宇航材料工艺), 1999,5:41-43. |
| [7] | Mabuchi M, Higashi K. The critical strain rate for accommodation helper mechanism in superplasticity of metal matrix composites [J]. Materials Transactions, 1999, 40: 787-793. |
| [8] | Langdon T G. Cavitation in high strain rate superplasticity-Implications for the flow process [J]. Mater Sci Forum, 1997, 233-234:47-62. |
| [9] | Mabuchi M, Higashi K. Experimental investigation of a superplastic constitutive equation in Al-Mg-Si alloy composites reinforced with Si3N sub 4 whiskers [J]. International Journal of Plasticity, 2001, 17:399-407. |
| [10] | Jeong H G, Hiraga K, Mabuchi M, et al. The role of partial melting on superplasticity of Si3N4/Al-Cu-Mg composite [J]. Scripta Metallurgica et Materialia, 2000, 42: 479-485. |
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