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Influence of Pores and Cracks Morphology on Mechanical Behavior of Thermally Sprayed Ceramics

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F10%3A00347289" target="_blank" >RIV/61389021:_____/10:00347289 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Influence of Pores and Cracks Morphology on Mechanical Behavior of Thermally Sprayed Ceramics

  • Original language description

    Pores and cracks have significant influence on the structural rigidity and mechanical behavior of the thermally sprayed materials. For some applications dense coatings are needed, while for others (e.g. thermal barriers) some level of porosity is desirable. Recent development in thermal spraying focuses on the tailored design of pores and cracks for specific applications. In this project, ceramic coatings with different level and morphology of pores and cracks were plasma and HVOF sprayed on titanium alloy substrates. Coating microstructures were observed using scanning electron microscopy. Mechanical behavior of the prepared coatings was evaluated using four-point bending test in terms of changing coating stiffness with increasing mechanical load bothin compression and tension. Significant level of coating nonlinearity and hysteresis were observed. Tests carried out for coatings with the same chemical composition but different microstructure proved strong dependency.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    JI - Composite materials

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/ME%20901" target="_blank" >ME 901: Evolution of structure and mechanical properties of plasma sprayed materials under various loading</a><br>

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2010

  • Confidentiality

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

Data specific for result type

  • Article name in the collection

    ITSC 2010 ? International Thermal Spray Conference & Exposition: Conference Proceedings

  • ISBN

    978-3-87155-590-9

  • ISSN

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

  • Publisher name

    DVS Media GmbH

  • Place of publication

    Düsseldorf

  • Event location

    Singapore

  • Event date

    May 3, 2010

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article