Issues »  Volume 39, Issue 1

Laser Solid-Phase Alloyage of Aluminium with Chromium

M. S. Kashkarov, O. V. Filatov, O. E. Pogorelov

G.V. Kurdyumov Institute for Metal Physics, NAS of Ukraine, 36 Academician Vernadsky Blvd., UA-03680 Kyiv-142, Ukraine

Received: 29.09.2016. Download: PDF

With the use of the mass transfer in non-equilibrium conditions generated by pulsed laser irradiation in the Al + Cr-film system, a solid-phase alloyage of aluminium surface with chromium is carried out. Effectiveness of alloyage is estimated by microdurometer method, which also allows using a developed new technique to estimate the penetration depth of Cr in aluminium, the average value of which amounts to $\cong$ 10 microns. The results of solid-phase alloyage are analysed using X-ray method; they permit to determine a formation of supersaturated solid solution with 0.66 at.% Cr in the aluminium surface layer with microhardness $HV$ = 1500 MPa.

Key words: laser alloying, alloyed layer, concentration of point defects, interstitial solid solution, substitutional solid solution, nonequilibrium solid solution.

URL: http://mfint.imp.kiev.ua/en/abstract/v39/i01/0083.html

DOI: https://doi.org/10.15407/mfint.39.01.0083

PACS: 61.72.S-, 61.72.U-, 61.80.Ba, 62.20.Qp, 81.40.Wx, 81.65.-b, 81.70.Jb

Citation: M. S. Kashkarov, O. V. Filatov, and O. E. Pogorelov, Laser Solid-Phase Alloyage of Aluminium with Chromium, Metallofiz. Noveishie Tekhnol., 39, No. 1: 83—91 (2017) (in Russian)

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