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Process parameter impact on microstructure of laser clad inconel-chromium carbide layers
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2012 (English)In: Materials Science Forum, ISSN 0255-5476, E-ISSN 1662-9752, Vol. 702-703, 963-966 p.Article in journal (Refereed) Published
Abstract [en]

Chromium carbide based metal matrix composite (MMC) coatings are ideally suited for high temperature erosive-corrosive applications. Laser cladding of such MMCs, with Inconel as the ductile matrix instead of the usual NiCr alloy, has been attempted in the present study. The relative hardness of the laser clad layers was observed to drop with increase in laser power. The reduction in hardness was attributed to retention of lower amounts of chromium carbides in the clad layer at higher laser powers. Use of chemically assisted scans with electron diffraction allowed extraction of effective micro-textural information on the coatings. © (2012) Trans Tech Publications, Switzerland.

Place, publisher, year, edition, pages
2012. Vol. 702-703, 963-966 p.
Keyword [en]
Crystallographic texture, EBSD, Inconel-chromium carbide, Laser cladding, Microstructure, Carbide layers, Chromium carbide, Clad layer, Crystallographic textures, Ductile matrix, High temperature, Inconel, Laser power, Metal matrix composite coatings, Ni-Cr alloys, Process parameters, Relative hardness, Chromium, Coatings, Composite coatings, Electron diffraction, Hardness, High temperature applications, Laser optics, Metallic matrix composites, Nanocomposite films, Textures, Carbides
Identifiers
URN: urn:nbn:se:hv:diva-8534ISBN: 02555476 (ISSN); 9783037852941 (ISBN)OAI: oai:DiVA.org:hv-8534DiVA: diva2:860159
Conference
16th International Conference on Textures of Materials, ICOTOM 16; Mumbai; India; 12 December 2011 through 17 December 2011; Code 87954
Available from: 2015-10-10 Created: 2015-10-08 Last updated: 2015-10-10Bibliographically approved

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Joshi, S. V.
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