Syntheses of nano-multilayered TiN/TiSiN and CrN/CrSiN hard coatings

被引：17

作者：

Cao, Jiang-Li ^{[1
,2
]}

Choy, Kwang-Leong ^{[2
]}

Sun, Hai-Lin ^{[3
]}

Li, Hui-Qing ^{[3
]}

Teer, Dennis ^{[3
]}

Bao, Ming-Dong ^{[4
]}

机构：

[1] Univ Sci & Technol Beijing, Inst Adv Mat & Technol, Beijing 100083, Peoples R China

[2] Univ Nottingham, Sch Mech Mat Mfg Engn & Management, Nottingham NG7 2RD, England

[3] Teer Coatings Ltd, Droitwich WR9 9AS, Worcs, England

[4] Ningbo Univ Technol, Inst Mat Engn, Ningbo 315016, Zhejiang, Peoples R China

来源：

JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH | 2011年 / 8卷 / 02期

关键词：

Nano-multilayer; Nano-composite; Nitride; Hard coating; Mechanical property; NANOCOMPOSITE COATINGS; GROWTH; DESIGN;

D O I：

10.1007/s11998-010-9275-0

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Nano-structured superhard coatings represent the state-of-the-art in the rapidly increasing worldwide market for protective coatings. In this study, the combination of nano-composite and nano-multilayered structures into the same coating was attempted. Nano-multilayered coatings of TiN/TiSiN and CrN/CrSiN were deposited on tool steel substrates by closed-magnetic-field unbalanced DC magnetron sputter ion plating. The coating structures were characterized using X-ray diffraction, atomic force microscopy, and scanning electron microscopy. Mechanical characterizations were performed including nano-hardness measurement, progressively-increasing-load scratch test, and wear test. TiN/TiSiN coatings have a nano-hardness of 40.2 GPa, whereas CrN/CrSiN coatings have a hardness of 30.9 GPa. TiN/TiSiN coatings also showed a higher critical failure force and scratch fracture toughness as well as better wear resistance and lower acoustic emission signal, indicating less total damage to the coatings.

引用

页码：283 / 288

页数：6

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