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Cohesion Strenght Test of Selected Commercial HVOF Coatings

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F47718684%3A_____%2F21%3AN0000070" target="_blank" >RIV/47718684:_____/21:N0000070 - isvavai.cz</a>

  • Alternative codes found

    RIV/49777513:23210/21:43963565

  • Result on the web

    <a href="http://dx.doi.org/10.37904/metal.2021.4206" target="_blank" >http://dx.doi.org/10.37904/metal.2021.4206</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.37904/metal.2021.4206" target="_blank" >10.37904/metal.2021.4206</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Cohesion Strenght Test of Selected Commercial HVOF Coatings

  • Original language description

    High velocity oxy-fuel spraying (HVOF) being one of thermal spraying techniques, is deployed in many commercial applications mostly for very hard wear and/or corrosion resistant coatings. Supersonic speed of the spraying jet combined with temperatures around 5500 K is utilized to spray most metals, metallic alloys, cermets and superalloys. Typical HVOF coatings are compact, dense, with very low porosity, low to moderate oxidation level and high bonding strength to substrate. Cermets and superalloys are standardly commercially applied HVOF materials, demanded for superb wear resistance, high hardness, abrasion and erosion resistance and overall great performance in high stress and/or high temperature environments. Proper testing methods are required to evaluate quality of deposited coatings and consequently choose coating with optimized properties for demanded application. There are many testing methods standardly and widely used for evaluating properties of thermally sprayed coatings - such as superficial indentation, micro and nanoindentation on cross section of the coating, tensile adhesion strength test, many tribological tests, etc. This article concerns modified TCT (tubular coating tensile test) for testing cohesion strength of the coatings with the use of common tensile test equipment. In this paper, specimen assembly, coating deposition, testing procedure and calculation of results is described. Cohesion strengths of five HVOF commercial coatings: Stellite 6, Hastelloy C 276, Cr3C2-25NiCr, WC 10Co4Cr and NiCrFeSiBC are evaluated.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20506 - Coating and films

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2021

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Proceedings 30th Anniversary International Conference on Metallurgy and Materials

  • ISBN

    978-808729499-4

  • ISSN

  • e-ISSN

  • Number of pages

    5

  • Pages from-to

    841-845

  • Publisher name

    TANGER Ltd.

  • Place of publication

  • Event location

    Brno

  • Event date

    May 26, 2021

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article