Critical assessment and experimental investigation of Co-Ni-Ti phase equilibria

被引：16
|
作者：
Riani, Paola [1 ]
Sufryd, Katarzyna [1 ]
Cacciamani, Gabriele [1 ]
机构：
[1] Univ Genoa, Dipartimento Chim & Chim Ind, I-16146 Genoa, Italy
来源：
CALPHAD-COMPUTER COUPLING OF PHASE DIAGRAMS AND THERMOCHEMISTRY | 2014年 / 44卷
关键词：
Phase diagram; Superalloys; Co-Ni-Ti; TEMPERATURE SPECIFIC-HEAT; NICKEL-TITANIUM SYSTEM; COBALT-NICKEL; MARTENSITIC-TRANSFORMATION; FE-NI; INTERMETALLIC COMPOUNDS; MUTUAL DIFFUSION; MIXING ENTHALPY; ALLOY SYSTEMS; LIQUID;
D O I：
10.1016/j.calphad.2013.06.008
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Literature data about phase equilibria and thermodynamics of the Co-Ni, Co-Ti, Ni-Ti and Co-Ni-Ti systems have been reviewed and critically assessed. Co-Ni-Ti phase equilibria are not completely known and contradictory results have been reported, especially about existence, stability range and phase relations of the Ti(Co,Ni)(3) ternary phase in the region at x(Ti) < 0.5. Then the 900 degrees C isothermal section in the mentioned composition range has been experimentally investigated by means of optical and electron microscopy, electron probe micro-analysis and powder X-ray diffraction. Moreover the existence of the Ti (Co,Ni)(3) phase has been confirmed and its stability checked, at least down to 500 degrees C. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：26 / 38
页数：13
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