Selection of heat-resistant coating with metalloceramic barrier layer for protection of re-ru-bearing Nickel-based superalloy VZhM4

Gayamov A.M., Budinovskiy S.A., Muboyadzhyan S.A., Kosmin A.A.
UDC
629.7.023.224
DOI
10.18577/2307-6046-2014-0-1-1-1
Article PDF (Russian) (638.38 KB)
How to cite
Gayamov A.M., Budinovskiy S.A., Muboyadzhyan S.A., Kosmin A.A. Selection of heat-resistant coating with metalloceramic barrier layer for protection of re-ru-bearing Nickel-based superalloy VZhM4 // Proceedings of VIAM. 2014. No. 1. DOI: 10.18577/2307-6046-2014-0-1-1-1. URL: https://test.viam.ru/en/journal/2014/1/1
Abstract

Selection of heat-resistant coating with metalloceramic barrier layer for protection of details made of Re-Ru nickel-based superalloy operating at 1150°С is made. High-temperature tests of isothermic and cyclic heat-resistance and research of structure after these tests are made. Results show that the Ni–Cr–Al–Ta–Hf–Re–Y barrier layer containing tungsten carbide particles effectively suppresses forming of the secondary reaction zone. Heat-resistant coatings for Re-Ru superalloy reduce corrosion level up to a dosens of times.

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