Field-Ion Microscope Study of Ordering in the Near-Surface of Ni_4Mo Alloy
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概要
- 論文の詳細を見る
Field-ion microscope observations were made on Ni_4Mo alloy to investigate order-disorder transformation in the near-surface during in-situ annealing at various temperatures after quenching from high temperature α phase region. Surface ordering occurred preferentially at {200}_<FCC> and/or {111}_<FCC> facets (at 880-835℃). Surface layers with low degree of order ranging from ten to a few tens angstroms in thickness were formed (at 760-720℃). The degree of order in relatively large ordered domains decreased near the surface (at 825-810℃). In the interior of the specimens at a range of depths 100-300 A from the surface, ordering behavior was essentially the same as that for bulk specimens (at 825-720℃). Faceting originating from ordered structure occurred on the surface (at 670℃).
- 東北大学の論文
著者
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Yamamoto Masahiko
Department Of Materials Science And Engineering Faculty Of Engineering Osaka University
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Kingetsu Toshiki
Department Of Materials Science And Engineering Faculty Of Engineering Osaka University
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Kingetsu Toshiki
Advanced Materials Research Laboratories Nisshin Steel Company Ltd.
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NAKAMURA Shogo
Institute of Scientific and Industrial Research, Osaka University
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Nenno Soji
Department Of Materials Science And Engineering Faculty Of Engineering Osaka University
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Yamamoto Masahiko
Department Of Biofunctional Chemistry Graduate School Of Natural Science And Technology Okayama Univ
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