The nonstoichiometric ζ-Ni2In phase with B82-structure: thermodynamic modeling
✍ Scribed by Peter Waldner; Herbert Ipser
- Book ID
- 117681382
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- English
- Weight
- 150 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0966-9795
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A statistical-thermodynamic model for binary nonstoichiometric L1 2 -phases has been developed based on a mean-field approximation. Vacancies and anti-structure atoms are allowed on both sublattices as possible point defects, and the expressions for the defect concentrations as functions of composit
AbstractÐA symmetric two-sublattice model (Ni, Ti, Va) 0.5 (Ni, Ti, Va) 0.5 is applied to describe the intermediate B2 compound in order to cope with the order±disorder transition in the Ti±Ni system. Using this model, the ordered B2 and the disordered Ti-rich b.c.c. are described by a single Gibbs