Abstract
In this work, the deposition process features of a copper coating on stainless steel substrate, using the pulse vacuum arc spraying method were researched. A continuous layer of copper was deposited on a stainless steel substrate, and a high degree of coating adhesion to the substrate was demonstrated. The thickness of coating using application time was calculated, and the surface unevenness was estimated. Inside the coating layer substrate material elements were observed, that could appear as a result of simultaneously plasma spraying on the surface of the substrate. The feature of this method was discovered, that surface plasma plays a significant role in the deposition process. Finally, it was shown that the device with a pulsed arc could effectively be used in industry, since it is possible to change the layer thickness in the range of hundreds of microns by varying the deposition time.
Highlights
The actual problems of materials science include the development of technologies for improving surface properties of various constructional materials and tools
ray secondary electron spectroscopy (RSA) analysis was showed the efficiency of the deposition process, as so in chemical composition of the coating was found up to 71.38% copper and 92.56%, respectively
This work shows the good efficiency of deposition of copper coating on stainless steel substrate using the pulsed vacuum arc spraying method
Summary
The actual problems of materials science include the development of technologies for improving surface properties of various constructional materials and tools. Plasma spraying is widely used in those branches of industry and technology, where it is necessary to protect the machine parts and tools from intensive wear, corrosion, erosion and to create the electrical layers [2]. By applying a protective layer on the surface of materials, using VAA can improve their chemical composition and physical properties [4]. The goal of this work is to develop the pulse vacuum arc sprayer and research technological advantages of this method to deposit copper layers on constructional steel
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