The Structure-Phase Compositions and Properties of Plasma-Detonation Ni and Co-Based Powder Alloys Coatings

Darya L. Alontseva, Alyona V. Russakova

2013

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DOI 10.4028/www.scientific.net/amr.702.94

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 and Co deposited by plasma-detonation on steel substrates. The phase structures and morphology of precipitation from solid solution are defined. Factor k is defined in the Hall-Petch equation for the coating materials. The existence of a diffuse zone in the coating layer next to the substrate is established, the thickness of this zone is defined.