Acta Metall Sin  1998, Vol. 34 Issue (7): 719-724    DOI:

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MECHANICAL PROPERTIES OF QUASI-SOLID Al-Cu ALLOY AND INFLUENCE OF TRACE ELEMENTS DUING SOLIDIFICAfION

WEI Xiaowei; ZENG Ming; WU Xueting(Department of Materials Science and Engineering; Sichuan Institute of Industry; Chengdu 611744)

WEI Xiaowei; ZENG Ming; WU Xueting(Department of Materials Science and Engineering; Sichuan Institute of Industry; Chengdu 611744). MECHANICAL PROPERTIES OF QUASI-SOLID Al-Cu ALLOY AND INFLUENCE OF TRACE ELEMENTS DUING SOLIDIFICAfION. Acta Metall Sin, 1998, 34(7): 719-724.

Abstract References Related Articles Recommended Metrics Download:  PDF(1575KB)  Export:  BibTeX | EndNote (RIS)       Abstract  The increase rate of strength, range of quasi-solid and failure strain of quasi-solid A1-5%Cu alloy during soliamcation are investigated with special apparatus. The influence of B,Ti, salt-refiner and mischmetal on the mechanical properties is also studied. Results obtained show that the range of quasi-solid is equivalent to the range of hot brittleness, and B, Ti as well as mischmetal all lower the quasi-solidus and enhance the strength around solidus and the increase rate of strength of the alloy. The effect of mischmetal is greater than that of B, Ti.Salt-refiner decreases the strength of quasi-solid and the failure strain of the alloy. Key words:  A1-Cu alloy      quasi-solidus      mechanical property      trace element      Received:  18 July 1998      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1998/V34/I7/719 1 Chijiiwa K, Nishda K. J Fac Eng Univ Tokyo, 1976; B4: 38 2 Tamman G, Rooha Z. Z Metallk, 1933, 24: 131 3 Singer A R E, Cottrell S A. J Inst Met, 1947; 73: 33 4H 1966: 166(Novikov E E. The Red Brittleness of Nonferrous Metal and Alloy. Moscow: The State Machinery ManufactureBook Press, 1966: 166) 5千千岩健儿,林守仁铸物,1981;53:161(Chijiiwa K; Hnyashi M. IMONO, 1981; 53: 161) 6矶部俊夫,久保田昌男,北岗山治铸物,19782 50:235(Isobe T, Kubota M, Kitaoka S IMONO, 1978; 50: 235) 7矶部俊夫,久保田昌男,北岗山治铸物,1978;50:425(Isobe T, Kubota M, Kitaofor S. IMONO, 1978 50: 425) 8矶部俊夫,久保田昌男,北岗山治铸物,1981; 53: 153(Isobe T, Kubota M; Kitaoka S. 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