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Effect of silicon additions on characteristics of carbon fiber reinforced aluminum composites during thermal exposure

Published online by Cambridge University Press:  31 January 2011

Hui-Ming Cheng ,
Ben-Lian Zhou ,
Akira Kitahara ,
Shigeru Akiyama  and
Kazuo Kobayashi
Hui-Ming Cheng*
Affiliation:
International Center for Materials Physics, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110015, China
Ben-Lian Zhou
Affiliation:
International Center for Materials Physics, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110015, China
Akira Kitahara
Affiliation:
Government Industrial Research Institute-Kyushu, AIST, MITI, Saga 841, Japan
Shigeru Akiyama
Affiliation:
Government Industrial Research Institute-Kyushu, AIST, MITI, Saga 841, Japan
Kazuo Kobayashi
Affiliation:
Department of Materials Science and Engineering, Nagasaki University, Nagasaki 852, Japan
*
a) Author to whom the correspondence should be addressed
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Abstract

The effects of Si additions on the behavior of high modulus carbon fiber reinforced aluminum matrix (CF/Al) composites during thermal exposure at 773 K for different times have been investigated. The composites were fabricated via hybridization with a small volume fraction of SiC particles using a pressure-casting process. The change of longitudinal tensile strength, the strength degradation of carbon fibers, and the microstructural observations on the interfaces of CF/pure Al composites and CF/Al-Si composites after thermal exposure undoubtedly indicate that the alloying element Si in an aluminum matrix can effectively prohibit the interfacial reactions at the fiber/aluminum interface and has positive effects on the characteristics of CF/Al composites.

Type
Articles
Information
Journal of Materials Research , Volume 11 , Issue 5 , May 1996 , pp. 1284 - 1292
Copyright
Copyright © Materials Research Society 1996

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References

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