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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 592-594Microstructure and Mechanical Characterization of...

Microstructure and Mechanical Characterization of Al-Tib₂In Situ Metal Matrix Composites Produced via Master Alloy Route

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Abstract:

In the present work, Al-TiB₂ in-situ metal matrix composites were processed via master alloy route at 800°C-30 min. with 5 and 7wt% of TiB₂particles. Microstructural characterization of the prepared insitu composites were carried out using XRD, SEM/EDX studies. X ray diffraction studies have shown the presence of Al₃Ti and TiB₂ phases, however, the presence of AlB₂ particles is also highly likely. SEM/EDX characterization revealed fairly uniformly distributed TiB₂ particles having hexagonal morphology with size distribution in the ranges between 0.5-10μm. Further, presence of TiB₂ particles in Al matrix have resulted in improvement in hardness and tensile properties of the Al matrix while decrease in ductility was observed.

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Periodical:

Applied Mechanics and Materials (Volumes 592-594)

Pages:

494-498

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.592-594.494

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Online since:

July 2014

Authors:

V. Auradi*, S.L. Biradar, S.M. Suresha, S.A. Kori

Keywords:

Elongation, Hardness, TiB₂ Particles; Microstructures, Ultimate Tensile Strength (UTS)

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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