Mechanical properties of PECVD hydrogenated amorphous carbon coatings via nanoindentation and nanoscratching techniques. (Articolo in rivista)

Type
Label
  • 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
  • P. Bruno; G. Cicala; A. M. Losacco; P. Decuzzi (2004)
    Mechanical properties of PECVD hydrogenated amorphous carbon coatings via nanoindentation and nanoscratching techniques.
    in Surface & coatings technology; Elsevier Sequoia, Lausanne (Svizzera)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • P. Bruno; G. Cicala; A. M. Losacco; P. Decuzzi (literal)
Pagina inizio
  • 259 (literal)
Pagina fine
  • 264 (literal)
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
  • 180 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • IMIP (literal)
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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