通过DSC研究发现,快速凝固Zn-Al合金等温时效过程中胞状分解比铸态提前,结合XRD分析结果可知,合金等温时效过程中,调幅分解和胞状分解并行发生,时效15min后胞状分解结束,紧接着发生共析反应.伴随着胞状分解的完成合金显微硬度曲线在15min时出现峰值.利用TEM分析对胞状分解过程进行了跟踪观察.
参考文献
| [1] | Gervais E;Levert H;Bess M .The development of a family of zinc base foundry alloys[J].AFS Transactions,1980,88:183. |
| [2] | 顾春雷;张伟强;金花子 等.锌及锌铝合金研究及应用现状[J].中国有色金属学报,2003,4(11):44. |
| [3] | 闫承俊,王吉岱.锌铝合金的研究现状及应用[J].中国铸造装备与技术,2005(04):4-7. |
| [4] | 胡海明 .ZA27的研究进展[J].材料导报,1998,12(03):17. |
| [5] | 刘盛斌;于以繁 .锌铝合金的发展与应用[J].材料导报,1994,8(05):30. |
| [6] | 赵浩峰;王玲.铸造锌合金及其复合材料[M].北京:中国标准出版社,2002:10. |
| [7] | 朱耀华;黄炜.ZnAl22Cu18和ZnAl23Cu9合金相变机理的探讨[J].铸造,1990(07):25. |
| [8] | 朱耀华.ZnAl10Cu22合金的时效特性[J].上海金属(有色分册),1990(05):1. |
| [9] | Zhu Y H;Yan B;Torres Villasenor G .Phase transformations of a Zn-Al based alloy containing a small amount of rare earth element[J].Journal of Materials Processing Technology,1994,47(01):73. |
| [10] | Barnhurst R J;Gervais E;Bayles F D .Gravity casting of zinc-aluminium alloys-solidification behaviour of ZA-8,ZA12 and ZA-27[J].AFS Transactions,1983,81:569. |
| [11] | Zhu YH;Lee WB;Mei Z;To S;Sze YK .Structural evolution in films of alloy Zn70Al27Cu3 (ZA27)[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2005(3/4):236-244. |
| [12] | Xu Xiaolei;Yu Zhiwei;Ma Yongqing et al.An observation on microstructure of a casting Zn-40wt% Al alloy[J].Metallurgical and Materials Transactions,1998,29A(10):2477. |
| [13] | Ozawa T. .Kinetic analysis by repeated temperature scanning. Part 1. Theory and methods[J].Thermochimica Acta: An International Journal Concerned with the Broader Aspects of Thermochemistry and Its Applications to Chemical Problems,2000(1/2):173-180. |
| [14] | Vijaalakshmi M;Seetharaman V;Raghunathan V S .Cellular decomposition in Al-Zn alloy[J].Acta Metallurgica Sinica,1982,30:1147. |
| [15] | 辛长海.金属和合金中的相变[M].北京:冶金工业出版社,1984:77. |
| [16] | 许晓磊,季世军,于志伟,孙俊才,黑祖昆.ZA40合金过饱和固溶体胞状分解[J].机械工程材料,2001(02):21-22,25. |
| [17] | Arsenault R J;Wang L;Feng C R .Strengthening of composites due to microstructural changes in the matrix[J].Acta Metallurgica Et Materialia,1991,39(01):47. |
| [18] | 赵浩峰;王玲.铸造锌合金及其复合材料[M].北京:中国标准出版社,2002:10. |
| [19] | Zhu Y H et al.Tensile deformation and phase transformation of furnace-cooled Zn-Al based alloy[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,1999,268:147. |
| [20] | 史光远,刘英.稀土对铸造合金ZA-27组织及性能的影响[J].中国铸造装备与技术,2004(01):16-18. |
| [21] | 陈体军,郝远,孙军,狄杰建.ZA27合金的微观组织[J].中国有色金属学报,2002(02):294-299. |
| [22] | 赵玉珍,高庆,张喜燕.稀土、钛变质ZA27合金的组织与性能的研究[J].铸造,2003(07):484-487. |
| [23] | 许晓磊,于志伟,史雅琴,黑祖昆.ZnAl40合金时效过程中组织结构变化的跟踪观察[J].电子显微学报,2002(04):442-445. |
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