Laser Fusion of an Zirconium-Based Alloy in Various Gaseous Mediums

V. V. Gіrzhon, O. V. Smolyakov, T. A. Dmitrenko

Zaporizhzhya National University, 66 Zhukovsky Str., 69600 Zaporizhzhya, Ukraine

Received: 19.06.2017. Download: PDF

The effect of pulsed laser treatment in different gaseous atmospheres on the structural-phase state of the surface layers of Zr–2.5Nb alloy is studied by x-ray diffraction analysis. As shown, the laser alloying of samples in a nitrogen atmosphere leads to a zirconium nitride ZrN formation and a significant increase of surface layers’ microhardness. When laser treatment in air is carried out, nitride and two different modifications of oxide ZrO$_2$ are formed. Laser treatment of alloy samples in argon atmosphere does not lead to formation of new crystalline phases.

Key words: laser treatment, zirconium, zirconium oxide, zirconium nitride, Zr–2.5Nb alloy.

URL: http://mfint.imp.kiev.ua/en/abstract/v39/i08/1087.html

DOI: https://doi.org/10.15407/mfint.39.08.1087

PACS: 61.05.cp, 61.80.Ba, 62.20.Qp, 68.35.-p, 81.16.Mk, 81.40.Wx, 81.65.Lp

Citation: V. V. Gіrzhon, O. V. Smolyakov, and T. A. Dmitrenko, Laser Fusion of an Zirconium-Based Alloy in Various Gaseous Mediums, Metallofiz. Noveishie Tekhnol., 39, No. 8: 1087—1095 (2017) (in Russian)


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