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Abrasion resistance of alloy coatings deposited by plasma spraying
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SYSNO ASEP 0328389 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Abrasion resistance of alloy coatings deposited by plasma spraying Title Odolnost slitinových povlaků, vytvořených plazmovým nástřikem, proti abrazi Author(s) Ctibor, Pavel (UFP-V) RID, ORCID
Lescoffit, A.-E. (FR)
Teboul, B. (FR)
Neufuss, Karel (UFP-V) RID
Voleník, Karel (UFP-V)Source Title Acta Technica CSAV. - : Ústav termomechaniky AV ČR, v. v. i. - ISSN 0001-7043
Roč. 54, č. 2 (2009), s. 113-126Number of pages 14 s. Language eng - English Country CZ - Czech Republic Keywords Plasma spraying ; alloy coatings ; slurry abrasion ; hardness and microhardness Subject RIV JH - Ceramics, Fire-Resistant Materials and Glass R&D Projects 1QS200430560 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z20430508 - UFP-V (2005-2011) Annotation Abrasion resistance of a series of plasma deposited alloy coatings was tested. Fe-based alloys (high-alloy Cr- and Cr-Ni-steels, Fe-Al, Fe-Cr-Al, cast iron) and a Ni-Cr alloy were studied. A device for testing slurry (corundum in water) abrasion corresponding to ASTM G75-02 was employed for this purpose. For comparison, two coatings exhibiting extreme abrasion behaviour were measured by the same method: highly abrasion resistant plasma depositedWC-Co and poorly resistant arc sprayed Cr-Ni-steel. To reveal the possible differences between alloy coatings and bulk alloys, the results obtained from plasma deposited high-alloy steel coatings and bulk steels of virtually the same compositions were compared. In addition to the abrasion behaviour, hardness and microhardness (i.e. hardness of a single alloy splat) were determined. The observed differences in abrasion resistance of plasma sprayed alloy coatings were relatively small. This also relates to bulk steels. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2010
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