采用光学显微镜(OM)、差示扫描量热法(DSC)、扫描电镜(SEM)和X射线衍射(XRD)等分析手段,以及通过力学性能和电导率测试验证,研究J,新型Al-4.8Cu-0.5Mg-0.3 Ag-0.15Zr合金挤压板带的固溶工艺,研究结果表明:(520～525)℃×(1.5～2)h是较适合该合金的单级固溶工艺,材料在该固溶制度下进行160℃×24 h时效后能够获得515～526 MPa的室温抗拉强度和14%～15%的伸长率,以及41.7%IACS的电导率.
参考文献
| [1] | Polmear I J;Couper M J .Design and development of an experimental wrought aluminum alloy for use at elevated temperature[J].Metallurgy Transaction,1988,19(04):1027. |
| [2] | Kazanjian S M;Wang Ning .Creep behavior and microstructuml stability of Al-Cu-Mg-Ag alloys[J].Materials Science and Engineering,1997,234-236:571. |
| [3] | Palmcar I J;Cheater R J .Abonnal age hardening in an Al-Cu-Mg alloy containing silver and lithium[J].Scripta Metallurgica,1989,23:1213. |
| [4] | M. Murayama;K. Hono .Three dimensional atom probe analysis of pre-precipitate clustering in an Al-Cu-Mg-Ag alloy[J].Scripta materialia,1998(8):1315-1319. |
| [5] | Alex Cho;Bernard Bea .Damage tolerance capability of an Al-Cu-Mg-Ag alloy(2139)[J].Materials Science Forum,2006,519-521:603. |
| [6] | 李松瑞;周善初.金属热处理[M].长沙:中南大学出版社,2003:244. |
| [7] | 张宝昌.有色金属及热处理[M].北京:国防工业出版社,1995:98. |
| [8] | 赵宇,陈莉,雷宇.YL12铝合金的过烧组织及其力学性能[J].热加工工艺,2004(11):27-28. |
| [9] | Xiao D H;Wang J N;Diag D Y;Chen S P .Effect of Cu content on the mechanical properties of an Al-Cu-Mg-Ag alloy[J].Journal of Alloys and Compounds,2002,343:77. |
| [10] | 张坤,戴圣龙,黄敏,杨守杰,颜鸣皋.高纯Al-Cu-Mg-Ag合金的时效析出行为[J].中国有色金属学报,2007(03):417-421. |
| [11] | Mukhopadhyay A K;Teddy G M;Praaad K S;Varma V K,Mondal C.Micreatructure property relationships in a high strength Al-Zn-Mg-Cu-Zr alloy[A].Australia:Institute of Materials Engineering Australasia Ltd,2004:883. |
| [12] | Ferret C P;Koul M G;Connolly B J et al.Improvements in strength and stress corrosion cracking properties in aluminum alloy 7075 via low-temperature retrogression and re-ageing heat treatments[J].Corrosion,2003,59(06):520. |
| [13] | 李锡武,熊柏青,张永安,华成,王锋,朱宝宏,熊益民.新型Al-Zn-Mg-Cu合金热变形流变应力特征[J].稀有金属,2008(05):552-557. |
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%