EFFECT OF COOLING RATE AND Ce CONTENT ON STRUCTURE OF RAPIDLY SOLIDIFIED Al-Ce BINARY ALLOYS

Acta Metall Sin

1993, Vol. 29

Issue (2): 20-23 DOI:

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EFFECT OF COOLING RATE AND Ce CONTENT ON STRUCTURE OF RAPIDLY SOLIDIFIED Al-Ce BINARY ALLOYS

QIU Qingrong;LI Qingchun;JIANG Zuling Harbin Institute of Technology

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QIU Qingrong;LI Qingchun;JIANG Zuling Harbin Institute of Technology. EFFECT OF COOLING RATE AND Ce CONTENT ON STRUCTURE OF RAPIDLY SOLIDIFIED Al-Ce BINARY ALLOYS. Acta Metall Sin, 1993, 29(2): 20-23.

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Abstract Less Ce content in rapidly solidified Al-Ce alloys at a certain cooling rate wasfound to facilitate the formation of granular disperse phase. While the alloys with definitecomposition may easily precipitate globular grains of higher dispersity if the cooling rate wasaccelerated.

Key words: rapid solidification Al-Ce Alloys microstructure

Received: 18 February 1993

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