Production and structure of flameSprayed coatings based on Ni-Cr-B-Si alloys
Journal Article
·
· Sov. Powder Metall. Met. Ceram. (Engl. Transl.); (United States)
OSTI ID:5701969
Hydroabrasive wear tests on coatings were conducted in a 333-US apparatus at the Mekhanobr Institute. The test specimens were 35-mm-diameter cylindrical bshings of 20Kh13 (0.2% C13% Cr) steel, to the side surfaces of which coatings were applied. The abrasive was En-1.25 electrocorundum. The test results obtained showed that the wear resistance of heattreated coatings of a self-fluxing alloy with a binary titaniumchromium boride addition and of untreated coatings from the VSNGN-35+ SNGN-55 + Ni-Al mechanical mixture was 1.5-2 times higher than that of 20Kh13 steel and 3-4 times higher than that of a spray-deposited coating of PG-SR4 self-fluxing alloy. The application of protective A1Y alloy layers has enabled the heat treatment of coatings of self-fluxing alloys to be performed in ordinary furnaces in air, without any detectable oxidation of the main layers.
- OSTI ID:
- 5701969
- Journal Information:
- Sov. Powder Metall. Met. Ceram. (Engl. Transl.); (United States), Journal Name: Sov. Powder Metall. Met. Ceram. (Engl. Transl.); (United States) Vol. 24:9; ISSN SPMCA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360101* -- Metals & Alloys-- Preparation & Fabrication
360102 -- Metals & Alloys-- Structure & Phase Studies
ALLOY SYSTEMS
ALLOYS
BORIDES
BORON ALLOYS
BORON COMPOUNDS
CHROMIUM ALLOYS
CHROMIUM BORIDES
CHROMIUM COMPOUNDS
COATINGS
CRYSTAL STRUCTURE
DEPOSITION
ELEMENTS
FLAME SPRAYING
HEAT TREATMENTS
MATERIALS TESTING
MECHANICAL PROPERTIES
METALLURGICAL EFFECTS
METALS
MICROSTRUCTURE
NICKEL ALLOYS
PROTECTIVE COATINGS
QUATERNARY ALLOY SYSTEMS
SILICON ALLOYS
SPRAY COATING
SPRAYED COATINGS
SURFACE COATING
TESTING
TITANIUM
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
WEAR RESISTANCE
360101* -- Metals & Alloys-- Preparation & Fabrication
360102 -- Metals & Alloys-- Structure & Phase Studies
ALLOY SYSTEMS
ALLOYS
BORIDES
BORON ALLOYS
BORON COMPOUNDS
CHROMIUM ALLOYS
CHROMIUM BORIDES
CHROMIUM COMPOUNDS
COATINGS
CRYSTAL STRUCTURE
DEPOSITION
ELEMENTS
FLAME SPRAYING
HEAT TREATMENTS
MATERIALS TESTING
MECHANICAL PROPERTIES
METALLURGICAL EFFECTS
METALS
MICROSTRUCTURE
NICKEL ALLOYS
PROTECTIVE COATINGS
QUATERNARY ALLOY SYSTEMS
SILICON ALLOYS
SPRAY COATING
SPRAYED COATINGS
SURFACE COATING
TESTING
TITANIUM
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
WEAR RESISTANCE