MICROSTRUCTURE OF Ti ALLOY BASED COMPOSITE REINFORCED BY SiC FIBERS

Acta Metall Sin

1996, Vol. 32

Issue (3): 318-322 DOI:

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MICROSTRUCTURE OF Ti ALLOY BASED COMPOSITE REINFORCED BY SiC FIBERS

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YU Liguo; LU Yuxiong; LI Douxing; YE Hengqiang(Laboratory of Atomic Imaging of Solids; Institute of Metal Research; Chinese Academy of Sciences; Shenyang 110015) (Manuscript received 1995-06-08; in revised form 1 995- 12-05). MICROSTRUCTURE OF Ti ALLOY BASED COMPOSITE REINFORCED BY SiC FIBERS. Acta Metall Sin, 1996, 32(3): 318-322.

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Abstract The study of Ti alloy based composite reinforced by SiC fibers showed that SiC dendrites grew along the radial directions peprendicular to the tungsten core; many stacking faults and microtwins were formed within the dendrites; SiC fibers bond well to the matrix, and the amorphous interfacial layers between them have not been damaged during composition. In the course of composition SiC dendrites near the interfacial region dissolved and diffused into the amorphous layer and reacted with the Ti alloy matrix at high temperature, producing TiC and Ti5Si3 . Correspondent. LI Douxing, professor, Institute of.Metal Research, Chinese Academy of Sciences, Shenyang 110015

Key words: SiC fiber composite interfacial reaction

Received: 18 March 1996

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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1996/V32/I3/318

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