http://www.cnr.it/ontology/cnr/individuo/prodotto/ID34073
Mechanical properties of PECVD hydrogenated amorphous carbon coatings via nanoindentation and nanoscratching techniques. (Articolo in rivista)
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- Mechanical properties of PECVD hydrogenated amorphous carbon coatings via nanoindentation and nanoscratching techniques. (Articolo in rivista) (literal)
- Anno
- 2004-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.surfcoat.2003.10.035 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- P. Bruno; G. Cicala; A. M. Losacco; P. Decuzzi (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
- Surface and Coatings Technology
Volumes 180-181, 1 March 2004, Pages 259-264
Proceedings of Symposium G on Protective Coatings and Thin Films-03, of the E-MRS 2003 Spring Conference (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- Titolo
- Mechanical properties of PECVD hydrogenated amorphous carbon coatings via nanoindentation and nanoscratching techniques. (literal)
- Abstract
- The good combination of chemical and physical properties of hydrogenated amorphous carbon (a-C:H) coatings makes them suitable for tribological, biomedical and microelectronic applications. In this work, nano-indentation and nano-scratching tests have been used to determine the mechanical properties of a-C:H films produced via plasma chemical vapour deposition from CH4-Ar gas mixtures. A capacitive ion-etching reactor has been used for film deposition with a bias and a mixture composition ranging between 0 V and -400 V and 21.4% and 100%, respectively. The variation of Young's modulus (E) and hardness (H) through film thickness has been assessed by continuous multi-cycle indentations, and sub-surface maxima of approximately 150 GPa and 20 GPa have been measured, respectively. A maximum critical load (L-c) for film delamination of approximately 170 mN has been estimated by nano-scratching. A discussion on bias voltage and mixture composition effect on E, H and L-c is presented. (literal)
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