Theoretical and technological aspects of production mechani‑cally alloyed powders for the production of coatings and products by additive methods

Author:

Lovshenko F. G.1,Fedosenko A. S.1,Marukovich E. I.2

Affiliation:

1. Belarusian‑Russian University

2. Institute of Technology of Metals of National Academy of Sciences of Belarus

Abstract

The established regularities of the formation of powders based on iron and nickel, obtained by the method of mechanical alloying and intended for the deposition of thermal spraying coatings, as well as the manufacture of products by layer‑by‑layer synthesis. The structure, phase composition and properties of materials are investigated. Powders consist of particles with a size of 20–70 microns, differ in the submicrocrystalline type structures, and nonequilibrium phase composition. Thermal spray coatings made of them have a set of properties that significantly exceed the properties of coatings made of commercially available materials. The diameter of the grains of the material obtained by the SLМ method from the synthesized powder is 1.5–2.0 times smaller than that produced from the powder of 316L steel, and the heat resistance is higher.

Publisher

Belarusian National Technical University

Subject

Pulmonary and Respiratory Medicine,Pediatrics, Perinatology, and Child Health

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