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Inorganic Materials: Applied Research

, Volume 10, Issue 6, pp 1378–1383 | Cite as

Obtaining Functional Intermetallic Ni–Ti Coatings by Heterophase Transfer Combined with Laser Treatment

  • D. A. GeraschenkovEmail author
  • A. M. Makarov
  • E. Yu. Geraschenkova
  • A. F. Vasiliev
FUNCTIONAL MATERIALS

Abstract

The results of the investigation of the intermetallic Ni–Ti system coating obtained by the complex method of cold gas dynamic 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 the intermetallic phase are presented. The microhardness is increased by more than a factor of 5 to 632 HV, and the porosity is decreased by a factor of 25 to 0.2%. Investigation of the substrate–coating boundary shows the presence of mutual diffusion.

Keywords

: spraying laser treatment titanium nickelide nitinol intermetallic 

Notes

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  • D. A. Geraschenkov
    • 1
    Email author
  • A. M. Makarov
    • 1
  • E. Yu. Geraschenkova
    • 1
  • A. F. Vasiliev
    • 1
  1. 1.National Research Center Kurchatov institute—CRISM PrometeySt. PetersburgRussia

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