利用Ospray公司的喷射沉积设备制备了Al11.3Zn2.4Mg1.1Cu合金,合金挤压成棒材后,经过固溶和时效处理,用万能材料实验机对其进行了力学性能测试,合金的抗拉强度为849 MPa、屈服强度为796 MPa,延伸率为3.3%.透射电镜和扫描电镜对拉伸试样微观组织的研究结果表明,合金微观组织中包括微米级晶粒和纳米级晶粒,合金的强化方式为纳米晶强化、固溶强化以及沉淀强化,拉伸试样的断口分析表明,合金的断裂方式主要为沿晶断裂.
参考文献
| [1] | 陈昌麒.超高强度铝合金的发展[J].中国有色金属学报,2002(12):22-27. |
| [2] | 熊柏青.喷射成形技术的产业化现状及应用发展方向[J].稀有金属,1999(06):425-430. |
| [3] | Manchang Gui;Suk Bong Kang;Jung Moo Lee .Wear of spray deposited Al-6Cu-Mn alloy under dry sliding conditions[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2000(1/2):186-198. |
| [4] | Shukla P.;Ojha SN.;Mandal RK. .Microstructural modifications induced by spray forming of Al-Cu alloys[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2001(0):583-586. |
| [5] | Feng Wang;Yajun Ma;Zhengye Zhang;Xiaohao Cui;Yuansheng Jin .A comparison of the sliding wear behavior of a hypereutectic Al-Si alloy prepared by spray-deposition and conventional casting methods[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2004(3/4):342-345. |
| [6] | Srivastava VC.;Ojha SN.;Mandal RK. .Microstructure and mechanical properties of Al-Si alloys produced by spray forming process[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2001(0):555-558. |
| [7] | WANG Feng;LIU Hui-min;MA Ya-jun et al.Effect of Si content on the dry sliding wear properties of spray-deposited Ai-Si alloy[J].Materials & Design,2004,25:163-166. |
| [8] | Woo-Jin Park;Tae Kwon Ha;Sangho Ahn .Spray Casting of Al-25Si Alloy and Hot Deformation Behavior[J].Materials Science Forum,2004(Pt.1):609-612. |
| [9] | G.B. Rudrakshi;V.C. Srivastava;J.R Pathak .Spray forming of Al-Si-Pb alloys and their wear characteristics[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2004(1):30-38. |
| [10] | 袁晓光;徐达鸣;张淑英 等.喷射成形Al-Si-Fe-Cu-Mg合金的微观组织和力学行为[J].金属学报,1997,33(03):248-252. |
| [11] | 张智慧,熊柏青,张永安,朱宝宏,刘红伟,石力开.喷射成形Al11.4Zn2.6Mg1.7Cu合金沉积态显微组织分析[J].稀有金属,2004(06):975-978. |
| [12] | 韦强,熊柏青,张永安,朱宝宏,石力开.喷射成形Al-Zn-Mg-Cu系高强铝合金的组织与性能[J].中国有色金属学报,2001(02):279-283. |
| [13] | 王洪斌,陈美英,刘慧敏,黄进峰,杨滨,张济山.喷射成形Al-Zn-Mg-Cu系超高强度铝合金热处理制度的实验研究[J].北京科技大学学报,2003(05):436-440. |
| [14] | 王洪斌,刘慧敏,黄进峰,张济山,张永安,熊柏青.热处理对喷射成形超高强Al-Zn-Mg-Cu系铝合金的影响[J].中国有色金属学报,2004(03):398-404. |
| [15] | 杨林,田冲,陈桂云,赵九洲,张永昌,叶恒强.喷射沉积AlZn12Mg2Cu2合金的组织结构及力学性能[J].材料工程,2002(02):23-26. |
| [16] | LI X Z;HANSEN V;GJONNES J et al.HRTEM stady and structure modeling of the η'phase,the hardening precipitates in commercial Al-Zn-Mg alloys[J].Acta Materialia,1999,47:2651-2659. |
| [17] | L. K. BERG;J. GJONNES;V. HANSEN .GP-ZONES IN Al-Zn-Mg ALLOYS AND THEIR ROLE IN ARTIFICIAL AGING[J].Acta materialia,2001(17):3443-3451. |
| [18] | 杨福家.原子物理学[M].上海:上海科学技术出版社,1985 |
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%