| Titre : |
Syntheses of nano-multilayered TiN/TiSiN and CrN/CrSiN hard coatings |
| Type de document : |
texte imprimé |
| Auteurs : |
Jiang-Li Cao, Auteur ; Kwang-Leong Choy, Auteur ; Hai-Lin Sun, Auteur ; Hui-Qing Li, Auteur ; Dennis Teer, Auteur ; Ming-Dong Bao, Auteur |
| Année de publication : |
2011 |
| Article en page(s) : |
p. 283-288 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Couches minces multicouches
Matériaux hybrides
Nanotechnologie
Nitrures
Revêtements -- Propriétés mécaniques:Peinture -- Propriétés mécaniques
Revêtements multicouches
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
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. |
| Note de contenu : |
- EXPERIMENTAL : Sample preparation - Characterization techniques
- RESULTS AND DISCUSSION : Structural characterizations - Mechanical characterizations |
| DOI : |
10.1007/s11998-010-9275-0 |
| En ligne : |
https://link.springer.com/content/pdf/10.1007%2Fs11998-010-9275-0.pdf |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=11430 |
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 8, N° 2 (03/2011) . - p. 283-288
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