Thermodynamic properties of Ti-Al intermetallics

被引：31
|
作者：
Reddy, RG
Yahya, AM
Brewer, L
机构：
[1] Univ Alabama, Dept Met & Mat Engn, Tuscaloosa, AL 35487 USA
[2] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2001年 / 321卷 / 02期
基金：
美国国家科学基金会;
关键词：
Ti-Al alloys; intermetallics; thermodynamics; EMF;
D O I：
10.1016/S0925-8388(01)00972-0
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Thermodynamic properties of the titanium-aluminum system have been investigated over the entire composition range. X solid-state reversible galvanic cell employing a calcium fluoride (CaF2) solid electrolyte and an Al-CaAlF7 reference electrode was used in the temperature range 820-900 K for solid alloys containing 31.3, 47.9, 64.7, 73.6 and 99.0 atom percent aluminum. Experimental results of the activities of Al in the alloys showed a large negative deviation from ideal behavior. For instance the activity of Al in an alloy with 0.48 atomic fraction of Al was determined to be 2.98x10(-3) at 850 K. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：223 / 227
页数：5
相关论文
共 50 条
  • [1] First-principles calculation on the structural, elastic and thermodynamic properties of Ti-Al intermetallics
    Song, Yu-Lai
    Dou, Zhi-He
    Zhang, Ting-An
    Liu, Yan
    Wang, Guo-Cheng
    MATERIALS RESEARCH EXPRESS, 2019, 6 (10)
  • [2] Investigation on the thermodynamic properties of Ti-Al alloy
    Cheng, Wei
    Nie, Huiquan
    Zhou, Yingwei
    Liu, Jing
    Bai, Kuichang
    Dongbei Daxue Xuebao/Journal of Northeastern University, 1998, 19 (04): : 442 - 444
  • [3] Synthesis of Ti-Al intermetallics by mechanochemical processing
    Ghosh, S
    Linch, D
    Baburaj, EC
    Froes, FH
    SYNTHESIS OF LIGHTWEIGHT METALS III, 1999, : 43 - 50
  • [4] INFLUENCE OF ALLOY COMPOSITION ON HOT DEFORMATION PROPERTIES OF TI-AL BINARY INTERMETALLICS
    NOBUKI, M
    TSUJIMOTO, T
    ISIJ INTERNATIONAL, 1991, 31 (08) : 931 - 937
  • [5] Predicting thermodynamic properties in Ti-Al binary system by FactSage
    Kostov, Ana
    Friedrich, Bernd
    Zivkovic, Dragana
    COMPUTATIONAL MATERIALS SCIENCE, 2006, 37 (03) : 355 - 360
  • [6] Synthesis of single-phase Ti-Al intermetallics
    Oniashvili G.S.
    Tavadze G.F.
    Aslamazashvili Z.G.
    Zakharov G.V.
    International Journal of Self-Propagating High-Temperature Synthesis, 2015, 24 (1) : 42 - 46
  • [7] Deoxidation of Ti-Al intermetallics via hydrogen treatment
    Su, Yanqing
    Liu, Xinwang
    Luo, Liangshun
    Zhao, Long
    Guo, Jingjie
    Fu, Hengzhi
    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2010, 35 (17) : 9214 - 9217
  • [8] PHASE REACTIONS AND PROCESSING IN THE TI-AL BASED INTERMETALLICS
    PEREPEZKO, JH
    ISIJ INTERNATIONAL, 1991, 31 (10) : 1080 - 1087
  • [9] Hot corrosion behaviour of Ti-Al based intermetallics
    Zhang, K
    Li, ZW
    Gao, W
    MATERIALS LETTERS, 2002, 57 (04) : 834 - 843
  • [10] A thermodynamic description of the Ti-Al system
    Zhang, F
    Chen, SL
    Chang, YA
    Kattner, UR
    INTERMETALLICS, 1997, 5 (06) : 471 - 482
12345