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EFFECTS OF SPUTTERING PARAMETER ON THE MICROSTRUCTURE OF Ti--6Al--4V COATING ON SiC FIBRE |
WANG Yumin; FU Yuechun; SHI Nanlin; ZHANG Dezhi; YANG Rui |
Institute of Metal Research; The Chinese Academy of Sciences; Shenyang 110016 |
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Cite this article:
WANG Yumin; FU Yuechun; SHI Nanlin; ZHANG Dezhi; YANG Rui. EFFECTS OF SPUTTERING PARAMETER ON THE MICROSTRUCTURE OF Ti--6Al--4V COATING ON SiC FIBRE. Acta Metall Sin, 2004, 40(4): 359-362 .
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Abstract The effects of sputtering parameters on the microstructure of Ti--6Al--4V coating on SiC(f) prepared by magnetron sputtering were studied. The results show that the deposition rate is related to the working pressure at a given power density. The morphology
of the deposited layer and its binding with the fibre are dependent on temperature. The composition of the coat is close to Ti--6Al--4V, and is uniform throughout the thickness of the coat. The deposited layer
consists of crystallites with nonequilibrium hcp structure with grain size of 20---50 nm. The interface between SiC fibre and Ti--6Al--4V coating was investigated by scanning electron microcopy and energy dispersive X--ray spectroscopy. The examination
reveals no chemical reaction at the fibre--coat interface which is in nature a sharp interface formed by bonding of the two substances.
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Received: 24 February 2003
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