Assessment of diffusional mobilities of copper and zinc in α-brass

被引：0
|
作者：
Kozeschnik, Ernst [1 ]
机构：
[1] Technical University Graz, Graz, Austria
来源：
International Journal of Materials Research | 2000年 / 91卷 / 01期
关键词：
D O I：
10.1515/ijmr-2000-910114
中图分类号：
学科分类号：
摘要：
Numerical values for the frequency factors and the activation energies for diffusion of copper and zinc in a-brass are assessed from selected sets of experimental data. The compositional dependence of the optimized parameters is presented in terms of the CALPHAD method. The assessment shows excellent consistency. A discrepancy with some of the early experimental intrinsic diffusion coefficients is found to exist. The issue is discussed in terms of defect accumulation caused by a strong vacancy flux. © 2000 Carl Hanser Verlag. All rights reserved.
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页码：57 / 63
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