Friction Stir Processed of 6061-T6 Aluminum Alloy Reinforced with Silica from Rice Husk Ash

Zuhailawati Hussain; Mohd Noor Halmy; Indra Putra Almanar; Brij Kumar Dhindaw

doi:10.4028/www.scientific.net/AMR.1024.227

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Friction Stir Processed of 6061-T6 Aluminum Alloy Reinforced with Silica from Rice Husk Ash

Abstract:

This paper presents a development of a composite using friction stir process of AA606-T6 aluminum alloy reinforced with amorphous silica obtained from rice husk ash. The amorphous silica was produced after acid leaching and calcinations at 500°C. The silica powder was placed into a groove made in the joining line of AA606-T6 plates prior to friction stir process. Hard silica particles restricted the grain growth of aluminum matrix that contributed to a slight increase in hardness. Hardness decreases in zones under the tool was observed because AA6061-T6 alloy was sensitive to friction heat generated by the tool. Ageing at 200°C increased the hardness of the aluminum in the friction stir process zones.

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Periodical:

Advanced Materials Research (Volume 1024)

Pages:

227-230

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1024.227

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Online since:

August 2014

Authors:

Zuhailawati Hussain*, Mohd Noor Halmy, Indra Putra Almanar, Brij Kumar Dhindaw

Keywords:

Al 6061-T6, Amorphous Silica, Friction Stir Process, Rice Husk Ash

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