Decagonal Quasi-Crystalline Phase Formation During Laser Alloying of Aluminium with Cobalt and Nickel

Issues » Volume 36, Issue 6

V. V. Girzhon, V. M. Kovalyova, O. V. Smolyakov

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

Received: 27.01.2014. Download: PDF

Study of the phase and structural states of technical-aluminium surface layers after pulsed-laser nickel and cobalt alloying are investigated by metallographic analysis, X-ray diffraction spectroscopy, and scanning electron microscopy methods. Possibility of dispersed heterophase structure formation with quasi-crystalline decagonal phase is demonstrated. The influence of pulse-repetition rate on the structure of alloyed zone and microhardness distribution at constant velocity of the beam movement is analysed.

Key words: quasi-crystalline decagonal phase, intermetallic compound, laser alloying, quenching from the liquid state, microstructure.

URL: http://mfint.imp.kiev.ua/en/abstract/v36/i06/0745.html

DOI: https://doi.org/10.15407/mfint.36.06.0745

PACS: 61.44.Br, 61.80.Ba, 61.82.Bg, 62.20.Qp, 68.55.Nq, 81.40.Wx

Citation: V. V. Girzhon, V. M. Kovalyova, and O. V. Smolyakov, Decagonal Quasi-Crystalline Phase Formation During Laser Alloying of Aluminium with Cobalt and Nickel, Metallofiz. Noveishie Tekhnol., 36, No. 6: 745—756 (2014) (in Russian)

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