Co-Ti-Ta三元系富Co区的相平衡
Co-Ti-Ta삼원계부Co구적상평형
Phase equilibria in Co-rich region of Co-Ti-Ta system
  • 万方数据
    中国有色金属学报（英文版） 중국유색금속학보（영문판）
    TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
    2011年 11期 2391-2395 ,共5页

    蒋敏%萨仁格日乐%杨舒宇%李洪晓%郝士明

    장민%살인격일악%양서우%리홍효%학사명

    L12型金属间化合物%相平衡%Co-Ti-Ta%钴基高温合金 L12型金屬間化閤物%相平衡%Co-Ti-Ta%鈷基高溫閤金
    L12형금속간화합물%상평형%Co-Ti-Ta%고기고온합금
    L12 type intermetallic compound%phase equilibrium%Co-Ti-Ta%Co-based superalloys
    研究Co-Ti-Ta三元系富Co区的相平衡.显微组织和XRD分析以及EDS检测结果表明,在1 000～1 200℃温度范围内,L12结构Co3Ti相和Laves 36_Co3Ta相与α-Co构成相平衡.Co3Ti相中Ta的同溶度超过10％,Ta的加入使Co3Ti相更稳定.根据实验结果构建Co-Ti-Ta三元系富Co区在1 000、1 100和1 200℃等温截面图.
    연구Co-Ti-Ta삼원계부Co구적상평형.현미조직화XRD분석이급EDS검측결과표명,재1 000～1 200℃온도범위내,L12결구Co3Ti상화Laves 36_Co3Ta상여α-Co구성상평형.Co3Ti상중Ta적동용도초과10％,Ta적가입사Co3Ti상경은정.근거실험결과구건Co-Ti-Ta삼원계부Co구재1 000、1 100화1 200℃등온절면도.
    The phase equilibria in Co-rich region of Co-Ti-Ta system were studied.The microstrueture and XRD analysis together with EDS determination show that L12 type Co3Ti phase and Laves_C36_Co3Ta phase get equilibrium with α-Co phase from 1 000 to 1 200 ℃.The Co3Ti phase possesses a solubility of Ta higher than 10％,and the addition of Ta stabilizes the Co3Ti phase.The isothermal sections of the Co-Ti-Ta system in the Co-rich region at 1 000,1 100 and 1 200 ℃ were constructed according to the result.
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