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Dynamic impact wear and impact resistance of W-B-C coatings

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    0535933 - ÚPT 2021 RIV CZ eng C - Conference Paper (international conference)
    Daniel, Josef - Grossman, Jan - Buršíková, V. - Zábranský, L. - Souček, P. - Mirzaei, S. - Vašina, P.
    Dynamic impact wear and impact resistance of W-B-C coatings.
    Proceedings of the 14th International Conference on Local Mechanical Properties - LMP 2019. Vol. 27. Prague: CTU, 2020, s. 37-41. Acta Polytechnica CTU Proceedings. ISBN 978-80-01-06735-2. ISSN 2336-5382.
    [International Conference on Local Mechanical Properties /14./. LMP 2019. Praha (CZ), 06.11.2019-08.11.2019]
    R&D Projects: GA MŠMT(CZ) LO1212
    Institutional support: RVO:68081731
    Keywords : boron carbide W-B-C * fracture resistance * impact wear * W-B-C
    OECD category: Coating and films

    Coated components used in industry are often exposed to repetitive dynamic impact load. The dynamic impact test is a suitable method for the study of thin protective coatings under such conditions. Aim of this paper is to describe the method of dynamic impact testing and the novel concepts of evaluation of the impact test results, such as the impact resistance and the impact deformation rate. All of the presented results were obtained by testing two W-B-C coatings with different C/W ratio. Different impact test results are discussed with respect to the coatings microstructure, the chemical and phase composition, and the mechanical properties. It is shown that coating adhesion to the HSS substrate played a crucial role in the coatings.
    Permanent Link: http://hdl.handle.net/11104/0314189

     
     
Number of the records: 1  

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