Surface Microstructure of NiCrBSi Coatings Deposited by Flame Spray and Evaluation of the Oxidation Resistance

Abstract:

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In the herein work coatings containing NiCrBSi alloy were deposited on low carbon steel by flame spray technique. The microstructure and morphology of the coatings were examined by electron microscopy and X-ray diffraction analysis. The as sprayed coatings are extremely rough with characteristic lamellic formations and porosity while a nanometer oxide film was formed on the top of the coating. High temperature oxidation tests revealed the high resistance of these coatings when exposed in such environment. This is mostly attributed to the existence of the temperature resistant oxide scale on the surface of the coupons.

Info:

Periodical:

Solid State Phenomena (Volume 163)

Edited by:

Danuta Stróż & Małgorzata Karolus

Pages:

51-54

DOI:

10.4028/www.scientific.net/SSP.163.51

Citation:

D. Chaliampalias et al., "Surface Microstructure of NiCrBSi Coatings Deposited by Flame Spray and Evaluation of the Oxidation Resistance", Solid State Phenomena, Vol. 163, pp. 51-54, 2010

Online since:

June 2010

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Price:

$35.00

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