Paper Title:
Effect of Quenching Media and Ageing Time on Al6061-Beryl Composites
  Abstract

— Aluminum alloy based metal matrix composites are becoming very popular because of their outstanding properties such as high strength to weight ratio, excellent mechanical properties and improved wear properties. From literature survey it was observed that very limited report available on Aluminum alloy-beryl composites, particularly on the effect of beryl content, quenching media and heat treatment on the mechanical and wear properties of Aluminum-beryl composites. Accordingly, the aims of the present study are (i) preparation of Al6061-beryl particles by liquid metallurgy method (stir cast) with possible standardization of the beryl addition to liquid Aluminum alloy, (ii) Study the effect of different quenching media and the beryl content (2-12 wt. %) on the mechanical and wear properties of these composites in both as cast and heat treated conditions. Heat treatment procedure of solutionising at temperature of 5300C for 1hour and quenching in different media (air, water and ice) followed by natural and artificial ageing for different times was adopted. It was observed that the addition of beryl particles to Al6061 alloy improves its hardness, tensile strength and wear resistance with increasing beryl content while the heat treatment had significantly improved these properties compared to that of base alloy and as cast composites.

  Info
Periodical
Chapter
Chapter 6: Composite Materials
Edited by
Wu Fan
Pages
1374-1379
DOI
10.4028/www.scientific.net/AMM.110-116.1374
Citation
H.N. Reddappa, H.B. Niranjan, K.R. Suresh, K. G. Satyanarayana, "Effect of Quenching Media and Ageing Time on Al6061-Beryl Composites", Applied Mechanics and Materials, Vols. 110-116, pp. 1374-1379, 2012
Online since
October 2011
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Price
$32.00
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