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Identification of lattice vacancies in the B2-phase region of Ni–Al system by positron annihilation

✍ Scribed by Lan-Zhi Zhang; Dan-Ni Wang; Bao-Yi Wang; Run-Sheng Yu; Long Wei

Book ID
116602237
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
220 KB
Volume
457
Category
Article
ISSN
0925-8388

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The energies for stoichiometric and defected binary and ternary B2 phases in the Al-Ni-Ru ternary system were calculated from firstprinciples. The dominant compositions-conserving constitutional defect structures for NiAl and RuAl have been determined as (Al, Ni)-(Ni, Va) and (Ru, Al, Va)(Al), respe