Phase Equilibria in the Aluminum Corner of the Al-Ti-Pt System

被引：6
|
作者：
Zaikina, O. V. [1 ]
Khoruzha, V. G. [1 ]
Kornienko, K. E. [1 ]
Velikanova, T. Ya. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Frantsevich Inst Problems Mat Sci, Kiev, Ukraine
来源：
POWDER METALLURGY AND METAL CERAMICS | 2018年 / 57卷 / 1-2期
关键词：
phase equilibria; solidus surface; isothermal plane; crystallization; ternary compound; invariant equilibrium; TERNARY PHASES; DIFFRACTION; CHEMISTRY;
D O I：
10.1007/s11106-018-9959-z
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A series of physicochemical analysis techniques are employed to study the phase equilibria in the aluminum corner of the Al-Ti-Pt system at subsolidus temperatures and in the alloy crystallization process. It has been established for the first time that a ternary tau(1) phase (AuCu3 structural type) forms by peritectic reaction L + < Ti2Al5 > + < TiAl > ac" tau(1) at 1405A degrees C. On the solidus surface in the studied composition range at 1405, 1310, 1275, 1060, 925, 820, and 660A degrees C, there are seven isothermal planes that participate in invariant four-phase equilibria involving the liquid phase, three of them being peritectic and the others transitional.
引用
收藏
页码：114 / 126
页数：13
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