A Study of the Features of Coating Deposition on a Carbide Substrate Using Preliminary Etching with Glow-Discharge Plasma

The properties of coatings obtained using two surface preparation methods were compared: heating and etching by ion bombardment with plasma generation by arc evaporators and heating and etching by a glow discharge. A Ti-TiN-(Ti,Cr,Al)N coating was deposited. The use of a glow discharge provides bett...

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Bibliographic Details
Published in:Surfaces (Basel) 2024-12, Vol.7 (4), p.920-937
Main Authors: Grigoriev, Sergey, Volosova, Marina, Bublikov, Yuri, Sotova, Catherine, Milovich, Filipp, Seleznev, Anton, Shmakov, Ilya, Vereschaka, Alexey
Format: Article
Language:English
Subjects:
Adhesion
Adhesives
Aluminum
Arc cutting
Arc deposition
Arc resistance heating
Bond strength
Carbide tools
coatings
Cutting parameters
Cutting resistance
Cutting speed
Cutting tools
Cutting wear
Diffusion coating
Diffusion layers
Diffusion rate
Electric arcs
Energy
Etching
Evaporators
glow discharge
Glow discharges
Ion bombardment
metal cutting
Methods
Nitrogen
Physical vapor deposition
Plasma etching
Scratch resistance
Scratch tests
Substrates
surface preparation
Titanium
Tool wear
Tooling
Turning (machining)
Wear resistance
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Summary:The properties of coatings obtained using two surface preparation methods were compared: heating and etching by ion bombardment with plasma generation by arc evaporators and heating and etching by a glow discharge. A Ti-TiN-(Ti,Cr,Al)N coating was deposited. The use of a glow discharge provides better resistance of the coating to destruction during the scratch test and wear resistance of metal-cutting tools when turning steel. As the cutting speed increases, the advantage in wear resistance of the coating deposited using a glow discharge increases. During the process of heating and etching by ion bombardment with metal ions, a nanolayer rich in cobalt and tooling elements (iron, molybdenum) is formed in the area of the interface of the coating and the carbide substrate. When heated and etched by a glow discharge, such a layer does not form. When using both methods, there is identical diffusion of tungsten into the coating and diffusion of chromium and possibly titanium into the substrate. Thus, the glow-discharge heating and etching method can be effectively used in the process of PVD coating deposition.
ISSN:2571-9637
2571-9637
DOI:10.3390/surfaces7040060