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Preparation of cast-​iron-​based nanocrystalline alloy with Cu and Nb …

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작성자 최고관리자 작성일17-06-01 10:38 조회27회 댓글0건

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업적 Preparation of cast-​iron-​based nanocrystalline alloy with Cu and Nb …
상세내용 Abstract
The effect of minor Cu and Nb addition on glass-forming ability and nanocrystallization behavior of castiron-
based bulk metallic glass was investigated. With simultaneous Cu and Nb addition, the crystallization
kinetics of the amorphous alloys adequately modified to have enlarged initial nucleation rate and
reduced growth rate of the primary a-Fe phase. However, due to the increased tendency to form secondary
Fe3C and Fe2P phase, the cast-iron-based bulk metallic glass with combined Cu and Nb addition
had a reduced processing window for nanocrystallization. Also, the simultaneous Cu and Nb addition
decreased glass-forming ability of the alloy. Thus, it was revealed that the classical nanocrystallization
strategy introducing combined Cu and Nb addition is not a suitable alternative to facilitate nanocrystallization
of cast-iron-based bulk metallic glasses.
게재지명 Intermetallics 69 (2016) 54
발표일 20160201

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