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Obtaining the functional intermetallic Ni–Ti coatings by heterophase transfer combined with laser treatment
https://doi.org/10.22349/1994-6716-2018-95-3-102-110
Abstract
The results of the investigation of the intermetallic Ni–Ti system coating obtained by complex method of cold gasodynamic spraying and laser treatment are presented. The dependence of the coating charge composition on the initial powder composition is shown. Its structure, porosity, and microhardness are studied, and also the results of X-ray phase analysis confirming the presence of intermetallic phase are presented. The microhardness increased more than 5 times to 632 HV, and porosity decreased 25 times up to 0.2%. Investigation of the substrate-coating boundary showed the presence of mutual diffusion.
About the Authors
D. A. Geraschenkov
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
Cand Sc. (Eng)
49 Shpalernaya St, 191015, St Petersburg
A. M. Makarov
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
49 Shpalernaya St, 191015, St Petersburg
E. Yu. Geraschenkova
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
49 Shpalernaya St, 191015, St Petersburg
A. F. Vasiliev
NRC “Kurchatov Institute” – CRISM “Prometey”
Russian Federation
Russian Federation
49 Shpalernaya St, 191015, St Petersburg
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Review
For citations:
Geraschenkov D.A., Makarov A.M., Geraschenkova E.Yu., Vasiliev A.F. Obtaining the functional intermetallic Ni–Ti coatings by heterophase transfer combined with laser treatment. Voprosy Materialovedeniya. 2018;(3(95)):102-110. (In Russ.) https://doi.org/10.22349/1994-6716-2018-95-3-102-110
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