Autors: Kandeva, M. K., Grozdanova T., Ivanov, P. I., Kalichin Zh.
Title: Tribology Study of High-Technological Composite Coatings Applied Using High Velocity Oxyfuel (HVOF)
Keywords: tribology, wear-resistance, coatings, HVOF

Abstract: In the work are studied the differential parameters of wear and wear resistance of high-tech composite coatings of powder superalloys with nickel matrix, WC-12Co and mixed compositions. Coatings were created and applied to a substrate of steel with a different flame velocity - 700 m/s and 1000 m/s without preheating the substrate and with preheating the substrate to 650o C. The wear is carried out with a "thumb-disk" tribotester under dry surface friction with fixed black corundum abrasive particles. Comparative results were obtained for the microstructure and texture of the pre- and post- friction coating, the porosity, roughness, hardness, the dependence of mass wear, the speed and wear intensity and the wear resistance of the coatings on the number of friction cycles. Influence of the flame rate and substrate temperature on wear resistance and differential wear parameters has been determined.

References

    Issue

    , IOP Conf. Series: Materials Science and Engineering, 9th International Conference on Tribology, BalkanTRib17, vol. 295, pp. 12025, 2018, Turkey, IOP Publishing, DOI: 10.1088/1757-899X/295/1/012025

    Full text of the publication

    Цитирания (Citation/s):
    1. J Balk Tribol Assoc, 25, (3), 592–599 - 2019 - в издания, индексирани в Scopus или Web of Science

    Вид: публикация в международен форум, публикация в издание с импакт фактор, индексирана в Web of Science