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  • The nickel aluminide coatings obtained on small holes produced with the EDD method
    Trajer, Marcin ; Pyclik, Łukasz ; Sobiecki, Jerzy Robert
    Recently, airplane travel has become more affordable and thus more common. This has required engineers and scientists to spend thousands of hours on the development of new material and production ... technologies. High-pressure turbine (HPT) components are the most heavily loaded parts from the thermal, mechanical, and corrosion points of view. Therefore, both the material from which blades and vanes are cast as well as protective coatings are being constantly developed. Better material translates into longer and safer engine operation. Coatings maintain material structures within aggressive environments. However, despite the wide scope of development, there are areas that have not been investigated, one of which is electro-discharge drilling (EDD) machined cooling holes surface and its influence on environmental coating durability. In this paper, the EDD process impact on coating durability is shown. Process residuals, such as redeposited material and recast layers, result in coating inclusions. Oxidation testing also shows the relationship between the cooling hole diameter and coating durability.
    Source: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Vol. 68, no. 10, Oct. 2022, str. 623-634)
    Type of material - article, component part ; adult, serious
    Publish date - 2022
    Language - english
    COBISS.SI-ID - 130434563

    Link(s):

    https://www.sv-jme.eu/sl/article/the-nickel-aluminide-coatings-obtained-on-small-holes-produced-by-edd-method/
    Digitalna knjižnica Slovenije - dLib.si
    Repository of the University of Ljubljana – RUL
    DOI

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