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Science intensive technologies in mechanical engineering
UDC
621

STRUCTURE AND PROPERTIES OF COMPOSITE LAYERS BY MEANS OF CVD COATING ANNEALING ON TOOL STEEL Structure and properties of composite layers by means of CVD coating annealing on tool steel

Published in Science intensive technologies in mechanical engineering · Pages 3–10 · Rubric: SCIENCE INTENSIVE MATERIALS PROCESSING AND NANOTECHNOLOGIES (archived)
DOI: https://doi.org/10.30987/2223-4608-2022-2-3-10
Received: 16.01.2022 Accepted: 28.02.2022 Published: 28.02.2022
Authors
IR
Irina Belashova
ORCID
LA
Larisa Petrova
ORCID Scopus SPIN
AN
Andrey Brezhnev
ABSTRACT
The study of structural changes in chrome CVD coatings on tool steel as a result of annealing and their effect on resid-ual stresses and adhesion of coating having steel substrate, has been considered. The results of studies of residual stresses in the chrome coating and the relative adhesion index are presented. It is shown that heating of the gas-phase coating leads to the formation of a transitive layer between the coating and the substrate, increasing their adhesion.
KEYWORDS
tool steel, cutting tools, chrome CVD coatings, annealing, adhesion strength
Funding
the material was prepared within the framework of scientific research under the project №FSFM2020-0011 (2019-1342); experimental studies were carried out using the equipment of the MADI Centre of collective usage.
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