alexa Mechanical Behavior of Al7025-B4C Particulate Reinforced Composites
ISSN: 2168-9873

Journal of Applied Mechanical Engineering
Open Access

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Research Article

Mechanical Behavior of Al7025-B4C Particulate Reinforced Composites

Nagaral M1*, Attar S2, Reddappa HN2, Auradi V3, Suresh Kumar S4 and Raghu S5
1Aircraft Research and Design centre, HAL, Bangalore-560037, Karnataka, India
2R&D Centre, Department of Mechanical Engineering, BIT, Bangalore-560004, Karnataka, India
3R&D Centre, Department of Mechanical Engineering, SIT, Tumkur-572103, Karnataka, India
4Cornelius Technology Centre India Private Limited, Bangalore, Karnataka, India
5PES College of Engineering, Mandya, 571401, Karnataka, India
Corresponding Author : Madeva Nagaral
Design Engineer, Aircraft Research and Design centre
HAL, Bangalore-560037, Karnataka, India
Tel: 9738304925
E-mail: [email protected]
Received December 16, 2015; Accepted December 24, 2015; Published December 26, 2015
Citation: Nagaral M, Attar S, Reddappa HN, Auradi V, Suresh Kumar S, et al. (2015) Mechanical Behavior of Al7025-B4C Particulate Reinforced Composites. J Appl Mech Eng 4:186. doi:10.4172/2168-9873.1000186
Copyright: © 2015 Nagaral M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

In comparison to unreinforced alloy, Al7025 reinforced with hard ceramic particles possesses higher strength, hardness,wear resistance and low coefficient of thermal expansion. They can be used for automotive components and aircraft structures. The aim of the present work is to investigate the effects of adding micro size-B4C particales to Al7025 alloy on the mechanical properties of the composites.The Al7025 alloy reinforced with 6 wt. % of B4C particulate composites were fabricated by stir casting method.Microstructure and mechanical properties such as hardness, ultimate tensile strength, yield strength, percentage elongation and density of the composites were examined. Microstructure of the samples has been investigated by using optical microscopy to know the uniform distribution of reinforcement particulates in the matrix. It was observed that the hardness, ultimate tensile strength and yield strength of Al7025 alloy increased with the addition of 6 wt. % B4C particulates.From the study, it was revealed that the elongation and density of Al7025-6wt.% B4C composite decreased in comparison to that of the base Al7025 alloy.

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