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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 11    No. 2    April 2001

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Influence of Zn content and annealing process on
electrical property of CuZn alloy
LUO Feng-hua(罗丰华)1, YIN Zhi-min(尹志民)2,
WANG Ming-pu(汪明朴)2, ZUO Tie-yong(左铁镛)1

1. School of Materials Science and Engineering,
Beijing Polytechnic University, Beijing 100022, P.R.China;
2. Department of Materials Science and Engineering,
Central South University, Changsha 410083, P.R.China

Abstract:The relationship among annealing temperature, microstructure and electrical resistivity of Cu-(8%~13%)Zn (mole fraction) alloys was studied. The results show that the relationship between the electrical resistivity of cold deformation CuZn alloy and annealing temperature is related to the recovery and recrystallization of the processes. The increments of electrical resistivity due to strain are restored mainly on the process of recovery and recrystallization. The room temperature resistivity of soft state alloys is linear to the Zn contents. The extended application of Matthissen rule on high concentration solid solution was discussed.

 

Key words: CuZn alloy; electrical resistivity; recovery recrystallization

ISSN 1672-7029
CN 43-1423/U

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