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Stellite coating deposited by directed energy deposition

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26316919%3A_____%2F20%3AN0000041" target="_blank" >RIV/26316919:_____/20:N0000041 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.confer.cz/metal/2020/read/3559-stellite-coating-deposited-by-directed-energy-deposition.pdf" target="_blank" >https://www.confer.cz/metal/2020/read/3559-stellite-coating-deposited-by-directed-energy-deposition.pdf</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.37904/metal.2020.3559" target="_blank" >10.37904/metal.2020.3559</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Stellite coating deposited by directed energy deposition

  • Original language description

    This paper explores a protective stellite coating on 1.4922 martensitic steel. Stellite coatings are often used to improve the properties of the part's surface. The microstructure of the sample was analysed and its hardness measured. Protective coatings enhance mechanical and corrosion properties of the substrate, and thus extend the life of the respective part. They can be created by galvanizing, ion implantation, thermal spraying, or by more recent methods, such as laser cladding, DED (directed energy deposition) and others. DED is one of the metal deposition processes that fall in the AM category (additive manufacturing). It was used to deposit the protective coating in the present study. DED is an evolving technology which is suitable not only for prototype development, but also for promising applications involving surface treatment and repairs of functional parts. DED uses a laser beam as a thermal source to melt powder which is blown concentrically with the laser beam and the protective gas. The unique advantage of this method is a very good cohesion and bonding between the substrate and the deposited layer with a smaller HAZ (heat-affected zone). It produces comparatively few inhomogeneities and defects, which makes it a promising technique for protective layer applications. Stellite was chosen as a protective coating material because this group of alloys exhibits excellent properties such as high wear resistance, abrasion resistance, superior corrosion resistance and erosion resistance. These are relevant in many industrial sectors, such as power generation, aerospace and others. Stellite 21 was used in the present study.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20506 - Coating and films

Result continuities

  • Project

    <a href="/en/project/EF17_048%2F0007350" target="_blank" >EF17_048/0007350: Pre-Application Research of Functionally Graduated Materials by Additive Technologies</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2020

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    METAL 2020 - 29th International Conference on Metallurgy and Materials, Conference Proceedings

  • ISBN

    978-808729497-0

  • ISSN

    2694-9296

  • e-ISSN

  • Number of pages

    5

  • Pages from-to

    823-827

  • Publisher name

    TANGER Ltd.

  • Place of publication

    Ostrava

  • Event location

    Brno

  • Event date

    May 20, 2020

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article