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    Volume 6, Issue 4 (October 2017)

    Special Issue Paper

    Formation of Oxynitride Layers on Titanium Alloys

    (Received 31 May 2016; accepted 24 February 2017)

    Published Online: 2017

    CODEN: MPCACD

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    Abstract

    The characteristics of oxynitride layers formation on titanium alloys in the process of controlled modification of titanium nitride by oxygen were determined. It was shown that by decreasing the oxygen partial pressure from 1 Pa to 0.0001 Pa, the content of oxynitride phase in the surface layer increases. It was determined that oxynitriding effect (ΔH) (the increase of surface microhardness of titanium alloys with regard to the corresponding nitriding) depends on the composition of titanium oxynitride and increases when its composition approaches equiatomic one.

    Author Information:

    Tkachuk, O. V.
    High Temperature Strength of Structural Materials in Gas and Liquid Metal Media Department, Karpenko Physico-Mechanical Institute of National Academy of Sciences of Ukraine, Lviv,

    Pohrelyuk, I. M.
    High Temperature Strength of Structural Materials in Gas and Liquid Metal Media Department, Karpenko Physico-Mechanical Institute of National Academy of Sciences of Ukraine, Lviv

    Yaskiv, O. I.
    High Temperature Strength of Structural Materials in Gas and Liquid Metal Media Department, Karpenko Physico-Mechanical Institute of National Academy of Sciences of Ukraine, Lviv,


    Stock #: MPC20160075

    ISSN:2379-1365

    DOI: 10.1520/MPC20160075

    Author
    Title Formation of Oxynitride Layers on Titanium Alloys
    Symposium ,
    Committee B10