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Acta Metall Sin  1997, Vol. 33 Issue (10): 1105-1109    DOI:
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PHASE EQUILIBRIUM RELATIONSHIPS AND INTERDIFFUSION COEFFICIENTS OF β,α ANDγIN THE Ti-Al BINARY SYSTEM
DING Jinjun;ZHAO Gang;HAO Shiming (Northeastern University; Shenyang 110006)
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DING Jinjun;ZHAO Gang;HAO Shiming (Northeastern University; Shenyang 110006). PHASE EQUILIBRIUM RELATIONSHIPS AND INTERDIFFUSION COEFFICIENTS OF β,α ANDγIN THE Ti-Al BINARY SYSTEM. Acta Metall Sin, 1997, 33(10): 1105-1109.

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Abstract  Partial phase equilibrium relationships and compositions in the Ti-al binary system are studied by diffusion couple and EPMa method. Interdiffusion coefflcients of β,αand γare calculated by Matano method. The results showed that the partial phase equilibrium relationships should be β/ αand α/ γ,and the interdiffusion coefficient of γ phase has a minimum value at stoichimetric composition.
Key words:  interdiffusion coefficient      Ti-al binary system      phase diagram     
Received:  18 October 1997     
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