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Microstructure and Creep Behavior of BN/Al (-Mg) Metal Matrix Composite

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Abstract:

Metal matrix composites (MMC) that consisted of Al (-Mg) matrix reinforced with initially added BN particles were fabricated using the pressureless infiltration technique. Initially added BN particles were partly consumed to make AlN, as new reinforcing particles. The other reaction product was MgAlB2 dispersoids. The creep behavior was investigated between 225- 275oC in air. Despite of the presence of the reinforcing particles, the creep resistance was found to be unsatisfactory due to the weak Al (-Mg) matrix.

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Periodical:

Key Engineering Materials (Volumes 297-300)

Pages:

1102-1107

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.297-300.1102

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Online since:

November 2005

Authors:

Dong Bok Lee, Seung Wan Woo, Si Yon Bae, Byeong Soo Lim

Keywords:

Aluminum (Al), Aluminum Nitride (AlN), Boron Nitride, Composite, Creep, Magnesium

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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