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Performance of Hybrid Powder-Suspension Axial Plasma Sprayed Al2O3-YSZ Coatings in Bovine Serum Solution
Department of Physics, School of Advanced Sciences, VIT, Vellore 632014, India Centre for Biomaterials, Cellular and Molecular Theranostics, VIT, Vellore 632014, India.
Högskolan Väst, Institutionen för ingenjörsvetenskap, Avdelningen för avverkande och additativa tillverkningsprocesser (AAT).ORCID-id: 0000-0001-5676-7903
Centre for Biomaterials, Cellular and Molecular Theranostics, VIT, Vellore 632014, India.
Högskolan Väst, Institutionen för ingenjörsvetenskap, Forskningsmiljön produktionsteknik(PTW). (PTW)ORCID-id: 0000-0001-5521-6894
2019 (engelsk)Inngår i: Materials, ISSN 1996-1944, E-ISSN 1996-1944, Vol. 12, nr 12, artikkel-id E1922Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Ceramic coatings on metallic implants are a promising alternative to conventional implants due to their ability to offer superior wear resistance. The present work investigates the sliding wear behavior under bovine serum solution and indentation crack growth resistance of four coatings, namely (1) conventional powder-derived alumina coating (Ap), (2) suspension-derived alumina coating (As), (3) composite Al2O3-20wt % Yittria stabilized Zirconia (YSZ) coating (AsYs) deposited using a mixed suspension, and (4) powder Al2O3-suspension YSZ hybrid composite coating ApYs developed by axial feeding plasma spraying, respectively. The indentation crack growth resistance of the hybrid coating was superior due to the inclusion of distributed fine YSZ particles along with coarser alumina splats. Enhanced wear resistance was observed for the powder derived Ap and the hybrid ApYs coatings, whereas the suspension sprayed As and AsYs coatings significantly deteriorated due to extensive pitting.

sted, utgiver, år, opplag, sider
2019. Vol. 12, nr 12, artikkel-id E1922
Emneord [en]
axial feeding, bovine serum solution, hybrid plasma spray coating, indentation, sliding wear
HSV kategori
Forskningsprogram
TEKNIK, Produktions- och materialteknik
Identifikatorer
URN: urn:nbn:se:hv:diva-14435DOI: 10.3390/ma12121922ISI: 000473759400041PubMedID: 31207880Scopus ID: 2-s2.0-85067995972OAI: oai:DiVA.org:hv-14435DiVA, id: diva2:1356854
Tilgjengelig fra: 2019-10-02 Laget: 2019-10-02 Sist oppdatert: 2020-02-03

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