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Mechanical Property of HVOF Inconel 718 Coating for Aeronautic Repair
University West, Department of Engineering Science, Division of Production Engineering. (PTW)ORCID iD: 0000-0002-6929-3310
University West, Department of Engineering Science, Division of Production Engineering. (PTW)
University West, Department of Engineering Science, Division of Production Engineering. (PTW)ORCID iD: 0000-0001-7787-5444
2014 (English)In: Journal of thermal spray technology (Print), ISSN 1059-9630, E-ISSN 1544-1016, Vol. 23, no 3, 380-388 p.Article in journal (Refereed) Published
Abstract [en]

The module of elasticity is one of the most important mechanical properties defining the strength of a material which is a prerequisite to design a component from its early stage of conception to its field of application. When a material is to be thermally sprayed, mechanical properties of the deposited layers differ from the bulk material, mainly due to the anisotropy of the highly textured coating microstructure. The mechanical response of the deposited layers significantly influences the overall performance of the coated component. It is, therefore, of importance to evaluate the effective module of elasticity of the coating. Conventional experimental methods such as microindentation, nanoindentation and four-point bending tests have been investigated and their results vary significantly, mainly due to inhomogeneous characteristics of the coating microstructure. Synchrotron radiation coupled with a tensile test rig has been proposed as an alternative method to determine the coating anisotropic elastic behavior dependence on crystallographic orientations. The investigation was performed on Inconel 718 (IN718) HVOF coatings sprayed on IN718 substrates. Combining these experimental techniques yield a deeper understanding of the nature of the HVOF coating Young’s modulus and thus a tool for Design Practice for repair applications. © 2013 ASM International.

Place, publisher, year, edition, pages
2014. Vol. 23, no 3, 380-388 p.
Keyword [en]
aircraft overhaul, four-point bending, microindentation, nanoindentation, nickel alloys, synchrotron radiation, Young’s modulus, Work-integrated learning, WIL
Keyword [sv]
AIL
National Category
Manufacturing, Surface and Joining Technology
Research subject
ENGINEERING, Manufacturing and materials engineering; Work Integrated Learning
Identifiers
URN: urn:nbn:se:hv:diva-5696DOI: 10.1007/s11666-013-0007-8ISI: 000330989600011Scopus ID: 2-s2.0-84894444416OAI: oai:DiVA.org:hv-5696DiVA: diva2:663410
Available from: 2013-11-11 Created: 2013-11-07 Last updated: 2016-02-11Bibliographically approved

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Lyphout, ChristopheFasth, AngelicaNylén, Per
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