(1. 北京工業(yè)大學 材料科學與工程學院， 北京 100022；
2. 中南大學 材料科學與工程系， 長沙 410083)
摘 要: 研究了冷變形對Cu-8～13Zn合金室溫電阻的影響及其在退火過程中的恢復。結(jié)果發(fā)現(xiàn)：相同應變量所導致的電阻增量隨Zn含量的增加而增加，在大應變量情況下(斷面收縮率為60%～86%)，應變電阻增量與Zn含量基本成正比關系。應變電阻增量的54%在回復退火完成前得到恢復，并且恢復量與退火溫度成正比關系，其余部分在再結(jié)晶過程中恢復。
關鍵字: CuZn合金； 電阻率； 熱處理
its restoring during annealing process
（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 influence of cold deformation on the resistivity of Cu-8～13Zn alloys and the resistivity restoring during annealing process were investigated. The results show that the strain resistivity increases with the increases of Zn content for the same cold deformation value. At a large deformation value (section shrinkage up to 60%～85%), the resistivity increment is proportional to Zn content on the whole. 54% of resistivity increment is restored during recovering annealing temperature, and the restoring ratio is proportional to annealing temperature. The rest is restored in the subsequent recrystallization process completely.
Key words: CuZn alloy; electrical resistivity; heat treatment
