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Properties and microstructure of continuous oxynitride glass fiber and its application to aluminum matrix composite

Published online by Cambridge University Press:  18 February 2016

Katsuaki Suganuma ,
Hiroyoshi Minakuchi ,
Katsuhiko Kada ,
Tetsushi Kitamura ,
Haruo Osafune  and
Hiroyuki Fujii
Katsuaki Suganuma
Affiliation:
Department of Materials Science and Engineering, National Defense Academy, Hashirimizu 1-10-20, Yokosuka 239, Japan
Hiroyoshi Minakuchi
Affiliation:
Central Research Laboratory, Shimadzu Corporation, Nishinokyo-Kuwabara 1, Nakagyo, Kyoto 604, Japan
Katsuhiko Kada
Affiliation:
Central Research Laboratory, Shimadzu Corporation, Nishinokyo-Kuwabara 1, Nakagyo, Kyoto 604, Japan
Tetsushi Kitamura
Affiliation:
Central Research Laboratory, Shimadzu Corporation, Nishinokyo-Kuwabara 1, Nakagyo, Kyoto 604, Japan
Haruo Osafune
Affiliation:
Central Research Laboratory, Shimadzu Corporation, Nishinokyo-Kuwabara 1, Nakagyo, Kyoto 604, Japan
Hiroyuki Fujii
Affiliation:
Central Research Laboratory, Shimadzu Corporation, Nishinokyo-Kuwabara 1, Nakagyo, Kyoto 604, Japan
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Extract

The present work has examined the mechanical properties and microstructure of the new continuous oxynitride fiber and also examined the potentials of the fiber for reinforcing aluminum alloys. The composites were fabricated by squeeze casting, and the reactivity of the fiber with aluminum melt and the microstructure of the fiber/matrix interface were investigated. The fiber had good strength, reaching 4 GPa, and good Young's modulus, about 170 GPa, at room temperature. Scatter in strength was quite small. The fiber was almost amorphous but had the nanocrystalline structure locally. The microstructure of the fiber/matrix interface in the composites showed little trace of reaction. An amorphous-like layer thinner than 3 nm existed at the interface. DTA analysis revealed the exothermic reaction between the oxynitride fiber and pure aluminum occurred at about 830 °C. In the case of the fiber/6061 alloy, this critical temperature was slightly lower. The strength of the composite with the oxynitride fiber was better than that with the continuous alumina fiber but slightly lower than those with the silicon carbide fibers. The new oxynitride fiber has a great potential for use in aluminum matrix composites in general industrial fields.

Type
Research Article
Information
Journal of Materials Research , Volume 8 , Issue 1 , January 1993 , pp. 178 - 186
Copyright
Copyright © Materials Research Society 1993

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