Acta Metall Sin  1998, Vol. 34 Issue (9): 939-944    DOI:

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BEHAVIOR OF PARTICLES AT SOLIDIFICATION INTERFACE OF ALUMINUM MATRIX COMPOSITES

WU Shusen (Department of Materials Science and Engineering; Huazhong University of Science and Technology; Wuhan 430074)NAKAE Hideo Waseda Univeristy; Tokyo; Japan Correspondent: WU Shusen; associate professor Tel: (027)87543876(O); (027)87547469(H);Fax: (027)87548737

WU Shusen (Department of Materials Science and Engineering; Huazhong University of Science and Technology; Wuhan 430074)NAKAE Hideo Waseda Univeristy; Tokyo; Japan Correspondent: WU Shusen; associate professor Tel: (027)87543876(O); (027)87547469(H);Fax: (027)87548737. BEHAVIOR OF PARTICLES AT SOLIDIFICATION INTERFACE OF ALUMINUM MATRIX COMPOSITES. Acta Metall Sin, 1998, 34(9): 939-944.

Abstract References Related Articles Recommended Metrics Download:  PDF(2844KB)  Export:  BibTeX | EndNote (RIS)       Abstract  The behavior of particles at solidification interface of Al/Al2O3 and Al-Si/Al2O3 composites was studied by using the zone-melting unidirectional solidification method. The particles were pushed by S/L interface in most of the composites, but the state of particle engulfment was realized by adding minute elements into an Al-Si/Al2O3 composite. An explanation model based on interfacial energies was proposed. If the contact angle between a solidification front and a particle is more than 90°, the particle can be engulfed into the solid. Otherwise the particle would be pushed. Key words:  metal-matrix composite      solidification      particle distribution      contact angle      Received:  18 September 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/I9/939 1 Rohatgi P K, YarandiF M, Liu Y, Asthana R. Mate, Sci Eng, 1991; A147(3): L1 2 MeNelleyard T R, Kalu P N. Scr Metall Mater, 1991; 25: 1041 3 吴树森,中江秀雄.铸造工学,1997;69:775(Wu S, Nakae H.J JpnFoundry Eng Soc, 1997, 69: 775) 4 吴树森.日本早稻田大学博士论文,1997(Wu S S, PhD thesis, Waseda University Tokyo, 1997) 5 吴树森,中江秀雄.铸造工学,19972 69:3(Wu S, Nakae H. J Jpn Foundry Eng Soc,1997; 60: 3) 6 Nakae H, Wu S. Key Eng Mater , 1997 127: 503 7 NakaeH, Fujii H, Shinohara T, Zhao B R. Proc. 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