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Laser cladding of a featureless iron-based alloy
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
2012 (English)In: Surface & Coatings Technology, ISSN 0257-8972, E-ISSN 1879-3347, Vol. 209, 32-37 p.Article in journal (Refereed) Published
Abstract [en]

Laser cladding experiments with powder injection technique were carried out to create coatings of Fe-8.1Cr6.4Mn-5.3Si-6.9Mo-3.6C alloy on AISI 1018 steel substrates using a diode laser. Analysis of the clad layers showed that an almost featureless structure was formed at different dilutions between 1% and 4%. The featureless phase with a high hardness of 1155 HV was characterized as a metastable solid solution of e phase. However, the featureless structure appeared to be very brittle with numerous cracks. After heat-treatment, it decomposed into a bainitic structure with a high hardness of 884 HV.

Place, publisher, year, edition, pages
2012. Vol. 209, 32-37 p.
Keyword [en]
Laser cladding, Iron-based alloys, Featureless phase, Epsilon phase
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:kth:diva-107108DOI: 10.1016/j.surfcoat.2012.08.013ISI: 000310656200005Scopus ID: 2-s2.0-84866880142OAI: oai:DiVA.org:kth-107108DiVA: diva2:574608
Note

QC 20121206

Available from: 2012-12-06 Created: 2012-12-06 Last updated: 2017-12-07Bibliographically approved

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