Wear Resistance and Titanium Adhesion of Cathodic Arc Deposited Multi-Component Coatings for Carbide End Mills at the Trochoidal Milling of Titanium Alloy

被引：8
作者：
Volosova, Marina A. [1 ]
Fyodorov, Sergey, V [1 ]
Opleshin, Stepan [1 ]
Mosyanov, Mikhail [1 ]
机构：
[1] Moscow State Univ Technol STANKIN, Dept High Efficiency Proc Technol, Vadkovsky Per 1, Moscow 127055, Russia
来源：
TECHNOLOGIES | 2020年 / 8卷 / 03期
关键词：
multi-component coatings; cathodic arc deposition; end mills; trochoidal milling; titanium alloys; wear resistance; machining efficiency; surface morphology; microhardness; titanium sticking; nanolayer; nanocomposite; HIGH-SPEED STEEL; MECHANICAL-PROPERTIES; CUTTING FORCES; TOOL PERFORMANCE; TI-6AL-4V ALLOY; GLOW-DISCHARGE; BEAM SOURCES; DESIGN; TI; PARAMETERS;
D O I：
10.3390/technologies8030038
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The work was devoted to the study of the effectiveness of the application of multi-component coatings, TiN-Al/TiN, TiN-AlTiN/SiN, and CrTiN-AlTiN-AlTiCrN/SiN, obtained by cathodic arc deposition to increase the wear resistance of 6WH10F carbide end mills in trochoidal milling of titanium alloy. The surface morphology of the tool with coatings was studied using scanning electron microscopy, and surface roughness texture was estimated. Microhardness and elastic modulus of the coated carbide tool surface layer were determined by nanoindentation. The process of sticking titanium to the working surface of the tool and quantitative evaluation of end mill wear with multi-component coatings at the trochoidal strategy of milling titanium alloy was studied. The CrTiN-AlTiN-AlTiCrN/SiN coating showed the maximum value of the plasticity index at the level of 0.12. The maximum effect of reducing the wear rate was achieved when using a tool with a CrTiN -AlTiN-AlTiCrN/SiN coating when the operating time to failure of end mills was increased by 4.6 times compared to samples without coating, by 1.4 times compared with TiN-Al/TiN coating and 1.15 times compared with TiN-AlTiN/SiN coating.
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页数：19
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