Ternary intermetallics in aluminiumrefractory metal-X systems (X = V, Cr, Mn, Fe, Co, Ni, Cu, Zn)

Ternary intermetallics in aluminiumrefractory metal-X systems (X = V, Cr, Mn, Fe, Co, Ni, Cu, Zn)
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铝难熔金属-X 体系中的三元金属间化合物(X = V、Cr、Mn、Fe、Co、Ni、Cu、Zn)

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发表时间:
1990
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通讯作者:
K. Kumar
K. Kumar
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文献类型:
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作者:
K. Kumar

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回顾了含铝三元体系的相平衡,特别强调了这些体系中存在的金属间化合物的结构、组成和稳定性。三元体系为ai型难熔金属(Ti, Zr, Hf, V, Nb, Ta, Mo)-X (X = V, Cr, Mn, Fe, Co, Ni, Cu, Zn),大部分资料来源于苏联和德国文献。虽然往往只有单一来源,但在可能进行比较时,各种调查结果之间的不一致就会突出。根据潜在的三元金属间化合物的密度、晶体结构、熔点和存在范围对它们进行了讨论。在al3x型化合物的晶体结构中有一种趋势,它是元素周期表中组成元素位置的函数。在这篇综述的最后一部分,目前预测晶体结构稳定性和相图的理论方法概述了说明性的例子。
The phase equilibria of aluminium containing ternary systems are reviewed with particular emphasis on the structure, composition, and stability of the intermetallic compounds present in these systems. The ternary systems are of the type AI-refractory metal (Ti, Zr, Hf, V, Nb, Ta, Mo)-X (X = V, Cr, Mn, Fe, Co, Ni, Cu, Zn), with the majority of the information originating from Soviet and German literature. Inconsistencies between the results of various investigations are highlighted when such comparison is at all possible, although frequently only a single source is available. Potential ternary intermetallics of interest are discussed based on their density, crystal structure, melting point, and compositional range of existence. A trend is noted in the crystal structure of Al3X-type compounds as a function of the location of the constituent elements in the periodic table. In the last section of this review, current theoretical approaches for predicting crystal structure stability and phase diagrams are outlined with illustrative examples.