Affiliation:
1. 1 School of Materials Science and Engineering, NanChang HangKong University, NanChang, China
Abstract
AbstractBoth first-principles molecular-dynamics calculations and experimental observations reveal that the coherent Pd/TiAl interfaces with various orientations are all thermally stable after annealing at 773 K, which seems good for the lifetime of Pd/TiAl membranes. It is found that the bond strength of the Pd/TiAl interface at 773 K becomes slightly smaller than the corresponding value at 0 K, and the interface dipole formed at 773 K seems marginally smaller than that at 0 K. In addition, calculations also show that the bond lengths of Pd/TiAl interfaces after annealing at 773 K become oscillated due to thermal vibrations, which are quite different from those at 0 K.
Subject
Materials Chemistry,Metals and Alloys,Physical and Theoretical Chemistry,Condensed Matter Physics
Cited by
1 articles.
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