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《Transactions of Materials and Heat Treatment》 2006-02
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Study on kinetics of phase transformation of Cu-Cr-Zr-Y alloy though measurement of electric conductivity

HUANG Jin-liang,YE Quan-hua,LIU Ping,LIU Yong,TIAN Bao-hong(School of Materials Science and Engineering,Henan University of Science and Technology,Luoyang 471003,China)  
The transformation ratio of new phase in solid solutioned Cu-Cr-Zr-Y alloy during aging was calculated based on the measurement of its electric conductivity and the inherent relation between electric conductivity and the quantity of precipitates in the alloy.The Averami formulation describing the relation between phase transformation ratio and aging time was derived.The equation,which gives the variation of electric conductivity with aging time was then deduced.Though differential functions of the reactive mechanism of thermal decomposition of solid solution,the Averami formulation for describing the kinetics of the phase transformation is vilidated.
【Fund】: 国家高技术研究发展计划资助项目(2002AA331112);; 河南省杰出人才基金项目(0521001200);; 河南科技大学基金项目(2004ZY003);; 河南省教育厅自然科学基金项目(2006430004)
【CateGory Index】: TG111
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【References】
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【Co-references】
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1 Liu Ping; Cao Xingguo; Kang Buxi; Huang Jinliang; Gu Haicheng;MICROSTURCTURE AND PROPERTIES OF RAPIDLY SOLIDIFIED Cu - Cr MLLOY WITH HIGH - STRENGTH HIGH - CONDUCTIVITY[J];ORDNANCE MATERIAL SCIENCE AND ENGINEERING;1999-01
2 LU De-ping~(1,2), SUN Bao-de~1, ZENG Wei-jun~2, LIU Yong~3, ZHANG You-liang~2, XIE Shi-fang~2 (1. Shanghai Jiaotong University, Shanghai 200030, China; 2. Institute of Applied Physics, Jiangxi Academy of Sciences, Nanchang 330029, China; 3. Nanchang University, Nanchang 330029, China);Research Progress of High-strength and High-conductivity Copper-based Materials[J];Materials For Mechanical Engineering;2004-09
3 XU Shun-jian, ZHANG Meng(Department of Materials Science, Nanchang University, Nanchang 330047, China);Effect of Rare Earth (La-Ce) on Rapidly Solidified Cu-Cr Alloy[J];Transactions of Materids and Heat Treatment;2005-04
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5 LI Xiao qiang, HU Lian xi, WANG Er de (School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, P.R.China) [;Mechanical alloying of Ti/Al binary powders[J];The Chinese Journal of Nonferrous Metals;2001-01
6 ZHANG Rui feng, SHEN Ning fu (Research Center for Materials, Zhengzhou University, Zhengzhou 450002, P.R.China);Properties of rapidly solidified Cu Cr alloys with high strength and high conductivity[J];The Chinese Journal of Nonferrous Metals;2001-S1
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