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Institute for Problems in Mechanical Engineering
of the Russian Academy of Sciences

Institute for Problems in Mechanical Engineering of the Russian Academy of Sciences

Cold spray deposition of composite copper-tungsten coatings

Autors:
V.S. Shikalov, A.A. Filippov, T.M. Vidyuk
Pages:
787-795
Annotation:

The work is devoted to the experimental study of the mechanical properties of cold sprayed composite copper-tungsten coatings. Using the instrumental indentation technique, mechanical tests of coatings containing tungsten microinclusions in the content range 0-32 wt.% were carried out. It was shown that an increase in the content of tungsten in the copper matrix of the coating promotes an increase in the microhardness and elastic modulus of the coating. Adhesion strength tests of coatings were carried out, which showed that an increase in the content of tungsten in the feedstock mixture leads to a significant increase in the value of the adhesion-cohesion strength of the coating.

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