Effect of Substrate Preheating on the Cermet Coating Structure Obtained using Additive Technologies
I. S. Gertsel1,2, V. M. Fomin1, M. A. Gulov1, A. G. Malikov1, A. A. Filippov1
1Khristianovich Institute of Theoretical and Applied Mechanics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia
2Novosibirsk National Research State University, Novosibirsk, Russia
Keywords: Ti-6Al-4V alloy, substrate preheating, boron carbide, hardness, wear resistance, microstructure
Abstract
The influence of substrate preheating on the structure of a cermet-coating obtained by direct metal deposition from Ti64 alloy reinforced with B4C particles. Coatings containing 15 %. B4C were obtained for the first time. It has been shown that the use of substrate preheating makes it possible to produce cermet coatings without cracks. It has been found that in tribological tests, that the scratch volume of the cermet coating decreases by a factor of eight compared to the coating with the content of B4C 10 %.
|
