High-Temperature Heat-Resistant Coatings for Protection of Refractory Metals and Their Alloys (Overview) | Health & Environmental Research Online (HERO)

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Citation
Tags

HERO ID

4831887

Reference Type

Journal Article

Title

High-Temperature Heat-Resistant Coatings for Protection of Refractory Metals and Their Alloys (Overview)

Author(s)

Voyevodin, VM; Zmii, VDI; Rudenkyi, SG

Year

2017

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Journal

Powder Metallurgy and Metal Ceramics
ISSN: 1068-1302
EISSN: 1573-9066

Volume

Issue

3-4

Page Numbers

198-209

DOI

10.1007/s11106-017-9887-3

Web of Science Id

WOS:000408422500009

Abstract

Scientific publications on the methods of applying heat-resistant coatings to refractory metals, such as molybdenum, tungsten, niobium, tantalum, and their alloys, are analyzed. Vacuum-activated diffusion hardening is considered to be one of the most optimal methods of depositing protective coatings. For niobium and tantalum, a molybdenum or tungsten layer is required to be preliminary applied by one of the three methods: vapor-phase deposition, condensation, or ion bombardment. The materials used for the production of protective coatings are studied: silicides, refractory metal borides, high-temperature oxides, and enamels.

Keywords

refractory metals; silicon; boron; heat-resistant coatings; vacuum-activated diffusion hardening