STUDY ON α/γ PHASE EQUILIBRIUM IN Ti-Al-Cr-Fe QUARTERNARY SYSTEM

Acta Metall Sin

1998, Vol. 34

Issue (9): 897-902 DOI:

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STUDY ON α/γ PHASE EQUILIBRIUM IN Ti-Al-Cr-Fe QUARTERNARY SYSTEM

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LI Juntao; HAO Shiming; WAN Qingfeng (Department of Materials Science and Engineering; Northeastern University; Shenyang 110006)Correspondent: HAO Shiming; professor; Tel: (024)23893000-7737; E-mail: smhao@mail. neu. eds. cn. STUDY ON α/γ PHASE EQUILIBRIUM IN Ti-Al-Cr-Fe QUARTERNARY SYSTEM. Acta Metall Sin, 1998, 34(9): 897-902.

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Abstract A simple type of diffusion couple was designed. The compositions of the phase equilibrium α/γ at 1200℃ and 1250℃ in Ti-Al-Cr-Fe quarternary system have been determined by the diffusion couple-electron probe method, and partial isothermal squares for Ti-Al-Cr-Fe quarternary system have been drawn. The results show that Cr has the effect of increasing the solubility for Fe in the α phase and Fe has the effect of increasing the solubility for Cr in the α phase.

Key words: Ti-Al-Cr-Fe quarternary system phase equilibrium

Received: 18 September 1998

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1998/V34/I9/897

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