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Vapor Phase Synthesis of Ti Aluminides and the Interfacial Bonding Effect on the Mechanical Property of Micro-Composites Reinforced by Pyrolized SiC Fibers

Published online by Cambridge University Press:  15 February 2011

T. Suzuki ,
H. Umehara  and
R. Hayashi
T. Suzuki
Affiliation:
National Institute of Materials and Chemical Research (NIMC), Agency of Industrial Science and Technology, M.I.T.I., 1-1 Higashi, Tsukuba, Ibaraki 305, Japan
H. Umehara
Affiliation:
National Institute of Materials and Chemical Research (NIMC), Agency of Industrial Science and Technology, M.I.T.I., 1-1 Higashi, Tsukuba, Ibaraki 305, Japan
R. Hayashi
Affiliation:
National Institute of Materials and Chemical Research (NIMC), Agency of Industrial Science and Technology, M.I.T.I., 1-1 Higashi, Tsukuba, Ibaraki 305, Japan
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Abstract

Vapor phase processings for manufacturing near-net-shaped composites, continuous fiber reinforced composites or lamellar composite will be hopeful methods. The method for synthesis of TiAl by a magnetron sputtering using a multiple target has been successfully established, and the tensile property of the microcomposite with SiC fibers has been studied. The TiAl produced by a vapor phase processing was evaluated by Auger electron spectroscopy and the x-ray analysis. The tensile strength properties of the SiC/TiAl microcompositesof which the interface bonding was controlled with the powers of sputtering were estimated. The properties of SiC/TiAl microcomposites are decreasing with increasing the sputtering power. The irradiation-cured SiC fiber has better compatibility with TiAl than the oxidation-cured SiC fiber. The strength of the microcomposite has been improved with using a thin C-coated irradiation-cured SiC fiber.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 350: Symposium U – Intermetallic Matrix Composites III , 1994 , 59
Copyright
Copyright © Materials Research Society 1994

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