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Strengthening of A Ni–W coating by laser processing
https://doi.org/10.22349/1994-6716-2022-110-2-36-43
Abstract
Calorimetric studies show that the nanocrystalline coating Ni–37 wt. %W produced by electrodeposition does not undergo phase transformations up to a temperature of 1000°C. Laser processing affects the properties of coatings, and in the selected mode leads to a significant grain growth in the coating, without affecting its chemical composition. At a certain energy input, a notable increase in the microhardness of the coating was revealed.
Supporting agencies: Experimental studies were performed on the equipment of the Center for Collective Use “Composition, Structure and Properties of Structural and Functional Materials” of the NRC “Kurchatov Institute” – CRISM “Prometey” with financial support from the Ministry of Science and Higher Education of the Russian Federation, Agreement 13.TsKP.21.0014 (075-11-2021-068), unique identifier RF–2296.61321X0014
About the Authors
A. V. Krasikov
NRC Kurchatov Institute – CRISM Prometey
Russian Federation
Russian Federation
Cand Sc (Chem)
49 Shpalernaya St, 191015 St Petersburg
M. A. Markov
NRC Kurchatov Institute – CRISM Prometey
Russian Federation
Russian Federation
Cand Sc (Eng)
49 Shpalernaya St, 191015 St Petersburg
M. V. Merkulova
NRC Kurchatov Institute – CRISM Prometey
Russian Federation
Russian Federation
49 Shpalernaya St, 191015 St Petersburg
M. V. Staritsyn
NRC Kurchatov Institute – CRISM Prometey
Russian Federation
Russian Federation
49 Shpalernaya St, 191015 St Petersburg
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Review
For citations:
Krasikov A.V., Markov M.A., Merkulova M.V., Staritsyn M.V. Strengthening of A Ni–W coating by laser processing. Voprosy Materialovedeniya. 2022;(2(110)):36-43. (In Russ.) https://doi.org/10.22349/1994-6716-2022-110-2-36-43
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