In situ nanocrystalline Fe–Si coating by mechanical alloying

Gupta, G. and Mondal, K. and Balasubramaniam, R. (2009) In situ nanocrystalline Fe–Si coating by mechanical alloying. Journal of Alloys and Compounds, 482 (1-2). pp. 118-122. ISSN 0925-8388

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Abstract

A new approach for deposition of in situ nanocrystalline Fe–Si alloy coating on mild steel substrate by mechanical milling has been proposed. The thickness of nanocrystalline coating was a function of milling time and speed. Milling speed of 200 rpm was the optimum condition for development of uniform, hard, adherent and dense 200–300 μm thick nanocrystalline coating. A possible mechanism, consisting of three steps like repeated impact, cold welding and delamination, has been proposed for the formation of coating. These coatings have resulted in the increase of the hardness to almost double the value before coating.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Alloys and Compounds
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2200/2210
Subjects:
ID Code:
146448
Deposited By:
Deposited On:
10 Aug 2020 15:05
Refereed?:
Yes
Published?:
Published
Last Modified:
12 Aug 2020 10:30