Iron-titanium-carbon system. I. Equilibrium between titanium carbide (TiCx) of various stoichiometries and iron-carbon alloys
Iron-titanium-carbon system. I. Equilibrium between titanium carbide (TiCx) of various stoichiometries and iron-carbon alloys
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DOI：
10.1016/1359-6462(96)00229-1
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发表时间：
1996-10
影响因子：
6
通讯作者：
N. Frage;L. Levin;E. Manor;R. Shneck;J. Zabicky
中科院分区：
文献类型：
--
作者：
N. Frage;L. Levin;E. Manor;R. Shneck;J. Zabicky
本文介绍了三元体系 Ti-Fe-C 在 1773 K 下热力学平衡的计算结果。在另一篇论文 (1) 中，这些结果用于解释在铁水渗透多孔碳化钛体过程中观察到的 TiCx 与铁碳合金之间的相互作用。主要结果是碳从熔体转移到非化学计量碳化钛以及钛从碳化物转移到熔体，导致最终复合材料的微观结构发生变化。假设原始混合物包含含有h'Fe摩尔数的Fe、NC摩尔数的碳和N的金属，初始化学计量x0的碳化物TiCx的ic摩尔数。如果这些相之间的相互作用导致 ZTi 摩尔的 Ti 和 Zc 摩尔的 C 转移到溶液中，则平衡时熔融金属的摩尔分数将为：
This paper presents the computational results of the thermodynamic equilibrium in the ternary system Ti-Fe-C, at 1773 K. In another paper (1) these results are applied to explain the interaction between TiCx and iron carbon alloys, observed during infiltration of a porous titanium carbide body by molten iron. The main result is transfer of carbon from the melt to non-stoichiometric titanium carbide and of titanium from the carbide to the melt, resulting in microstructural changes in the final composite. Assume that the original mixture comprises a metal containing h’Fe moles of Fe, and NC moles of carbon and N, ic moles of carbide TiCx of initial stoichiometry x0. If the interaction between these phases causes the transfer into solution of ZTi moles of Ti and Zc moles of C, the mole fractions of the molten metal at equilibrium will be: