Lanthanum-Cerium Based Bulk Metallic Glasses with Superior Glass-Forming Ability

Ran Li; Shujie Pang; Tao Zhang

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Lanthanum-Cerium Based Bulk Metallic Glasses with Superior Glass-Forming Ability

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arxiv cond-mat/0612184 v1 pith:GPBAARHF submitted 2006-12-07 cond-mat.mtrl-sci

Ran Li , Shujie Pang , Tao Zhang This is my paper

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keywords superiorabilityglass-formingal10al10tm25alloyalloysbulk

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A quinary (La0.5Ce0.5)65Al10(Co0.6Cu0.4)25 alloy with superior glass-forming ability (GFA), identified by the formation of fully glassy rod of 32 mm in diameter by tilt-pour casting, was reported. By comparing with the GFA of quarternary (La0.5Ce0.5)65Al10TM25 and ternary Ln65Al10TM25 alloys (Ln = La or Ce; TM = Co or Cu), we suggest that the strong frustration of crystallization by utilizing the coexistence of La-Ce and Co-Cu to complicate competing crystalline phases is helpful to construct BMG component with superior GFA.

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