Electron-Beam Surfacing Wear-Resistant Coatings, Reinforced Refractory Metal’s Borides-Reference-Cited by-同舟云学术

Electron-Beam Surfacing Wear-Resistant Coatings, Reinforced Refractory Metal’s Borides

Published:2014-12 Issue: Volume:698 Page:419-423
ISSN:1662-7482
Container-title:Applied Mechanics and Materials
language:
Short-container-title:AMM

Author:

Drobyaz Ekaterina¹,Zimoglyadova Tatyana A.¹,Gromov Victor²^ORCID

Affiliation:

1. Novosibirsk State Technical University

2. Siberian State Industrial University

Abstract

Structural and phase states of wear-resistant coatings obtained by cladding of self-fluxing nickel-based powder mixtures (77 % Ni, 15 % Cr, 2 % B, 3 % Si, 3 % Fe and others) using an electron beam injected in the atmosphere were investigated. The fabricated coatings possessed the complex gradient structure combining hard and ductile components. In the structure of coatings iron borides (Fe2B) surrounded by the ductile matrix represented by Fe, Ni-based γ-solid solution were observed. An increase in the volume fraction of a high strength component in the coating can be reached by additional alloying of the surface by amorphous boron. In this case, microhardness of the coating increases up to 1200 HV.

Publisher

Trans Tech Publications, Ltd.

Link

https://www.scientific.net/AMM.698.419.pdf

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