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Published in:
2020 | OriginalPaper | Chapter
Characterization of Aluminium Alloy 6063 Coated Over Mild Steel by Aluminization Process
Authors : B. Vijaya Kumar, K. John William
Published in: Recent Trends in Mechanical Engineering
Publisher: Springer Singapore
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Abstract
The main objective of present study is to see the feasibility of aluminum alloy deposition over mild steel using aluminization technique to improve the corrosion resistance by developing an economically feasible technique. Aluminum alloy coating has been done by dipping the mild steel in hot liquid metal of aluminum alloy at above 800 °C for various time intervals; hot dipped mild steel rods were allowed to air cool. Coatings were characterized to observe the grains diffusion between coating and base metal, it is found that coating metal is diffused into mild steel surface and formed a corrugated grain profile that is facilitating interlocking between both surfaces and this is desired to improve bond strength. Hardness test and toughness test were conducted to observe the strength of the coating and found that coating strength is improved. This process assures a tight bond between the base metal and coating metal.