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Characterization of adhesion strenght of HVOF sprayed IN718 coatings
Högskolan Väst, Institutionen för ingenjörsvetenskap, Avd för industriell produktion. Högskolan Väst, Institutionen för ingenjörsvetenskap, Avdelningen för avverkande och additativa tillverkningsprocesser (AAT). (PTW)ORCID-id: 0000-0002-6929-3310
Högskolan Väst, Institutionen för ingenjörsvetenskap, Avd för industriell produktion. (PTW)ORCID-id: 0000-0001-7787-5444
Högskolan Väst, Institutionen för ingenjörsvetenskap, Avd för industriell produktion.ORCID-id: 0000-0002-8945-3799
2009 (engelsk)Inngår i: Proceedings of th 22nd Internationa Conference on Surface Modification technolgies - SMT22. Trollhättan, Sweden / [ed] T.S. Sudarshan & Per Nylen, VALAR Docs , 2009, s. 11-18Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

The tensile adhesion strength of thermally sprayed coating is conventionally evaluated via the ASTM C633-69 standard. The maximum measurable adhesion is then limited by the adhesion strength of the polymer media. High velocity oxy-fuel (HVOF) spraying can exhibit very high bonding strength and thus it is essential to develop an alternative method to evaluate coating adhesion strength. In this work a Modified Tensile Adhesion Test (MTAT) is proposed replacing gluing with induction brazing. The method was evaluated for HVOF sprayed Inconel 718 coatings deposited on Inconel 718 substrates. The effect of induction brazing process and the characteristics of the braze-coating interface was given particular interest. The results indicate that the method is superior to the ASTM C633-69 for characterisation of adhesion of coatings with high bond strength.

sted, utgiver, år, opplag, sider
VALAR Docs , 2009. s. 11-18
Emneord [en]
Thermal Spraying Process, Coating Adhesion Strength, HVOF, Inconel 718, Tensile Adhesion Test, ASTM C633-69, Induction Brazing, Bonding Mechanisms, Coating Thickness, Braze Joint Strength.
HSV kategori
Forskningsprogram
TEKNIK, Produktions- och materialteknik
Identifikatorer
URN: urn:nbn:se:hv:diva-1728ISBN: 978-0-9817065-1-1 (tryckt)OAI: oai:DiVA.org:hv-1728DiVA, id: diva2:241138
Konferanse
SMT22. Trollhättan, Sweden September 22-24 2008
Tilgjengelig fra: 2009-10-01 Laget: 2009-10-01 Sist oppdatert: 2020-04-02bibliografisk kontrollert
Inngår i avhandling
1. Adhesion and residual stress characterization of HVOF sprayed inconel 718 coatings
Åpne denne publikasjonen i ny fane eller vindu >>Adhesion and residual stress characterization of HVOF sprayed inconel 718 coatings
2008 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Göteborg: Chalmers, 2008. s. 76
Serie
Technical report / Department of Materials and Manufacturing Technology, Chalmers University of Technology, ISSN 1652-8891 ; 38
Emneord
Thermal spray, HVOF, Inconel718, adhesion strength, residual stress, finite element method
HSV kategori
Forskningsprogram
TEKNIK, Produktions- och materialteknik
Identifikatorer
urn:nbn:se:hv:diva-1821 (URN)
Disputas
(engelsk)
Tilgjengelig fra: 2010-03-03 Laget: 2009-10-09 Sist oppdatert: 2020-04-02bibliografisk kontrollert

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