材料研究学报  1988, Vol. 2 Issue (5): 21-26

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CuZnAl形状记忆合金中母相有序化过程的动力学和热力学

江伯鸿;吴建新;徐祖耀

上海交通大学材料科学及工程系;上海交通大学材料科学及工程系;上海交通大学材料科学及工程系

KINETICS AND THERMODYNAMICS ANALYSIS ON PARENT ORDERING IN A CuZnAl MEMORY ALLOY

JIANG Bohong;WU Jianxin;XU Zuyao(T.Y.Hsu)(Department of Materials Science and Engineering;Shanghai Jiao Tong University)

江伯鸿;吴建新;徐祖耀. CuZnAl形状记忆合金中母相有序化过程的动力学和热力学[J]. 材料研究学报, 1988, 2(5): 21-26.
, , . KINETICS AND THERMODYNAMICS ANALYSIS ON PARENT ORDERING IN A CuZnAl MEMORY ALLOY[J]. Chin J Mater Res, 1988, 2(5): 21-26.

摘要 参考文献 相关文章 Metrics 全文: PDF(435 KB)   摘要: 对Cu-25.83 Zn-3.96Al(wt-%)形状记忆合金在分级淬火时发生的B_2→DO_3,有序转变过程进行了初步的动力学和热力学分析。结果表明在一定温度下,有序度S 随分级等温时间的增加几乎呈线性地上升,满足S=101T·exp(—Q/RT)·t(?)关系,Q 为DO_3有序过程的激活能,约为12.6kcal/mol(53kJ/mol)。形状回复温度T(?)则随等温时间增加而降低,并与S 有以下关系:T:=A+BS~2/1+CS~2,由实验数据回归,可得T(?)(K)=348(1+106S~2/1+122.8S~2 Abstract：A kinetic and thermodynamic analysis of B_2→DO_3 ordering process ina Cu-25.83Zn-3.96Al(wt-%)alloy has been made.It is shown that the shaperecovery rate η,which is directly correlated with the ordering degree S,increases near linearly with the holding tim 收稿日期: 1988-10-25      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 江伯鸿 吴建新 徐祖耀 44.8K 链接本文: https://www.cjmr.org/CN/      或      https://www.cjmr.org/CN/Y1988/V2/I5/21 1 Wayman C M,shimizu K.Metal Science J,1972;6(2) :175 2 江伯鸿,陈树川,漆立,刘和,王承宝,徐祖耀.全国形状记忆合金交流会论文集,第3册。1982,4 3 Dunue D P,Kennon N F.Scripta Metall,1982;16(6) :729 4 Qi Xuan(漆立),Jiang Bohong(江伯鸿),T Y Hsu(徐祖耀),Shape Memony Alloy＇86,Proceedings of the International Symposium on Shape Memory Alloys,1986 Guilin China,Ed.by Chu Youyi(禇幼义),T Y Hsu(徐祖耀)and T,Ko(柯俊),China Academic Publishers,1986:297 5 江伯鸿,李兵,徐祖耀,向军.材料科学进展,1988;2(5) :27 6 Rao C N,Rao K J.Phase Transitions in Solids,New York:McGraw-Hill,1978:95 7 Clark S,Brown N.J Phys Chem Solids,1961;19:291 8 Cook J M,Brown L M.Scripta Metall,1978;12(6) :949 9 Tong N C,Wayman C M.Acta Metall,1975,23(2) :209 10 Muto T,Takagi Y.Solid State Physics,1955;(1) :193x No related articles found! Viewed Full text Abstract Cited   Shared      Discussed