Počet záznamů: 1  

Characterization of Thermo-Mechanical Properties for Thermal Sprayed NiCoCrAlY Coatings

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    0346633 - ÚFP 2011 RIV DE eng C - Konferenční příspěvek (zahraniční konf.)
    Fasth, A. - Nylén, P. - Markocsan, N. - Mušálek, Radek
    Characterization of Thermo-Mechanical Properties for Thermal Sprayed NiCoCrAlY Coatings.
    ITSC 2010 – International Thermal Spray Conference & Exposition: Conference Proceedings. Düsseldorf: DVS Media GmbH, 2010, s. 431-435. ITSC. ISBN 978-3-87155-590-9.
    [ITSC 2010 – International Thermal Spray Conference & Exposition. Singapore (SG), 03.05.2010-05.05.2010]
    Grant CEP: GA MŠMT ME 901
    Výzkumný záměr: CEZ:AV0Z20430508
    Klíčová slova: APS coatings * HVOF and laser glazed coatings * influence of spray parameters * bond layer * stiffness * fatigue and fracture
    Kód oboru RIV: JI - Kompozitní materiály
    http://asmcommunity.asminternational.org/content/Events/ITSC/

    The thermo-mechanical properties of a thermal barrier bond coat (BC) play an important role in governing the life-time of a coating system. The presented work aims to determine these properties for NiCoCrAlY coatings sprayed on Hastelloy X substrates sprayed under different process conditions. Temperature dependent Young’s modulus values are determined for both Atmospheric Plasma Sprayed (APS) and HVOF sprayed coatings using the four-point bending test. Particular attention is paid to microstructure-property relationships during heating. Young´s modulus was determined up to 950°C and evaluated for coatings loaded in both tension and compression. Results are discussed in the context of the effect of feedstock material, process conditions and microstructure characteristics. The methods and results presented are attractive, particularly for the thermal spray industry, since these properties are a prerequisite when the BC is to be considered in component design.
    Trvalý link: http://hdl.handle.net/11104/0187605

     
     
Počet záznamů: 1  

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