The Structure-Phase Compositions of Ni - Cr and Co–Cr Based Powder Alloys Coatings Deposited by Plasma-Detonation on Steel Substrates

Darya L. Alontseva, Alexander D. Pogrebnjak, Galina Klassen

2013

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DOI 10.3384/wcc2.447-450
Data confidence 70 medium
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Abstract

This paper presents new results of transmission electron microscopy (TEM), X-ray diffraction (XRD) and atomic force microscopy (AFM) investigation of the structure-phase compositions of thick (150 µm) coatings on the base of Ni–Cr and Co–Cr deposited by plasma-detonation on steel substrates. The phase structures and morphology of precipitation from solid solution are defined. The microstructure model of a thick plasma detonation coating on steel substrate is developed. The main aim of carrying out these investigations is developing science based recommendations for modification of plasma-detonation coatings by plasma-jet or e-beam.