Affiliation:
1. College of Electromechanical and Automotive Engineering, Yantai University, Yantai 264005, China
2. Jiaodong Quality Inspection Center, Yantai 264003, China
Abstract
Diamond-coated tools often fail due to coating graphitization and delamination caused by poor coating adhesion, large contact stress, and thermochemical reactions. To address these issues, this research utilized a combination of micro-nano double-layer diamond coating, WS2 coating, and micro-textures. The WS2 coating inhibits the graphitization of the diamond coating through a transfer film mechanism, while the micro-textures and nanocrystalline diamond coating store WS2, resulting in a prolonged lubrication life. Additionally, the influence of micro-texture on coating-substrate residual stress and coating-substrate mechanical interlocking was discussed, and it was proved that proper micro-textures effectively improve the coating adhesion. Under the same cutting flux conditions, taking coating peeling as the judging standard, the cutting distance of textured WS2/Micro-Nano diamond coating tool is more than three times that of ordinary, diamond-coated tools, which greatly improves the service life of the tool.
Funder
Science Fund of Shandong Laboratory of Advance Materials and Green Manufacturing
Science Fund of Jiangsu Provincial Key Laboratory of Precision and Micro Manufacturing Technology
Subject
Inorganic Chemistry,Condensed Matter Physics,General Materials Science,General Chemical Engineering
Cited by
1 articles.
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