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| ON THE AB_3 TYPE ALLOY PHASES OF(Nd, Gd. Dy)-Ir SYSTEM |
| CHEN Nianyi; XU Hua; YANG Chuanzheng(Shanghai Institute of Metallurgy; Academia Sinica) NING Yuantao; ZHENG Yun(Institute of Precious Metals; Kunming) (Manuscript received 23 August; 1985; revised manuscript 13 February; 1986) |
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Cite this article:
CHEN Nianyi; XU Hua; YANG Chuanzheng(Shanghai Institute of Metallurgy; Academia Sinica) NING Yuantao; ZHENG Yun(Institute of Precious Metals; Kunming) (Manuscript received 23 August; 1985; revised manuscript 13 February; 1986). ON THE AB_3 TYPE ALLOY PHASES OF(Nd, Gd. Dy)-Ir SYSTEM. Acta Metall Sin, 1987, 23(3): 281-284.
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Abstract Some empirical rules governing the crystal type of AB_3 type alloy phases have been obtained by pattern recognition method. By computerized prediction, we have predicted that Dy-Ir, Gd-Ir and Nd-Ir systems form AuCu_3 type alloy phases. Based on this prediction, we have prepared Dy-Ir, Gd-Ir and Nd-Ir alloy samples and haste proved the existence of DyIr_3, GdIr_3 and NdIr_3 alloy phases, with AuCu_3 structure Their lattice parameters are: a=0.3842nm, a=0.3839nm and a=03836nm respectively.
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Received: 18 March 1987
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