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Screening design of hard metal feedstock powders for supersonic air fuel processing
Högskolan Väst, Institutionen för ingenjörsvetenskap, Avd för industriell produktion. (PTW)ORCID-id: 0000-0002-6929-3310
Fujimi Incorporated, Japan.
2014 (engelsk)Inngår i: Surface & Coatings Technology, ISSN 0257-8972, E-ISSN 1879-3347, Vol. 258, nr 15 November, s. 447-457Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Replacement of Electrolytic Hard Chromium (EHC) method by Thermal Spray Technology has shown a growing interest the past decades, mainly pioneered by depositing WC-based material by conventional HVOF processes. Lower thermal energy and higher kinetic energy of sprayed particles achieved by newly-developed Supersonic Air Fuel system, so-called HVAF-M3, significantly reduces decarburization, and increases wear and corrosion resistance properties, making HVAF-sprayed coatings attractive both economically and environmentally. In the present work, a first order process map has been intended via a full factorial Design of Experiments (DoE) to establish relationships between powder feedstock characteristics, such as primary carbides grain size, binder grain size and powder strength, and coatings microstructure and mechanical properties. A second order process map was then established to study possible correlations between the deposit microstructural properties and their respective abrasion/erosion wear and corrosion performances.

sted, utgiver, år, opplag, sider
2014. Vol. 258, nr 15 November, s. 447-457
Emneord [en]
HVAF, WC-Co-Cr, abrasive wear, corrosion resistance, erosion resistance, design of experiment, carbides grain size, carbides contiguity
HSV kategori
Forskningsprogram
TEKNIK, Produktions- och materialteknik
Identifikatorer
URN: urn:nbn:se:hv:diva-6634DOI: 10.1016/j.surfcoat.2014.08.055ISI: 000346895000055Scopus ID: 2-s2.0-84912073481OAI: oai:DiVA.org:hv-6634DiVA, id: diva2:746059
Merknad

Available online 7 September 2014

Tilgjengelig fra: 2014-09-11 Laget: 2014-09-11 Sist oppdatert: 2017-12-05bibliografisk kontrollert

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