期刊
SCRIPTA MATERIALIA
卷 66, 期 7, 页码 423-426出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2011.11.043
关键词
Interfaces; Gradient energy; Ni-base alloys; Al-Ag alloys
The gradient energy coefficient, chi, and interface width, delta, are estimated from data on concentration profiles across interfaces between two phases in coherent contact. Using the sigmoid function to describe the concentration profile, chi and delta are evaluated knowing only the interfacial energy and the concentrations of the phases on both sides of the interface. Coherent interfaces in Ni-base and Al-Ag alloys are examined. The values of chi and delta obtained favorably compare with those reported in the literature. Published by Elsevier Ltd. on behalf of Acta Materialia Inc.
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