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

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Publikace nespadá pod Filozofickou fakultu, ale pod Přírodovědeckou fakultu. Oficiální stránka publikace je na webu muni.cz.
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DANIEL Josef GROSSMAN Jan BURŠÍKOVÁ Vilma ZÁBRANSKÝ Lukáš SOUČEK Pavel MIRZAEI Saeed VAŠINA Petr

Rok publikování 2020
Druh Článek ve sborníku
Konference Proceedings of the 14th International Conference on Local Mechanical Properties - LMP 2019
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www https://doi.org/10.14311/APP.2020.27.0037
Doi http://dx.doi.org/10.14311/APP.2020.27.0037
Klíčová slova Boron carbide; fracture resistance; impact resistance; impact wear; W-B-C
Popis 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’ impact lifetime.
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