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Substrate surface finish effects on scratch resistance and failure mechanisms of TiN-coated hardmetals

Autor
Yang, J.; Roa, J.J.; Oden, M.; Johansson, M.; Esteve, J.; Llanes, L.
Tipus d'activitat
Article en revista
Revista
Surface and coatings technology
Data de publicació
2015-03-15
Volum
265
Pàgina inicial
174
Pàgina final
184
DOI
https://doi.org/10.1016/j.surfcoat.2015.01.038 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/86628 Obrir en finestra nova
URL
http://www.sciencedirect.com/science/article/pii/S0257897215000729 Obrir en finestra nova
Resum
In this study, the influence of substrate surface finish on scratch resistance and associated failure mechanisms is investigated in the case of a TiN-coated hardmetal. Three different surface finish conditions are studied: as-sintered (AS), ground (G), and mirror-like polished (P). For G conditioned samples, scratch tests are conducted both parallel and perpendicular to the direction of the grinding grooves. It is found that coated AS, G and P samples exhibit similar critical load for initial su...
Citació
Yang, J., Roa, J.J., Oden, M., Johansson, M., Esteve, J., Llanes, L. Substrate surface finish effects on scratch resistance and failure mechanisms of TiN-coated hardmetals. "Surface and coatings technology", 15 Març 2015, vol. 265, p. 174-184.
Paraules clau
Coated hardmetal, Grinding, Scratch failure mechanisms, Scratch resistance, Substrate surface finish
Grup de recerca
CIEFMA - Centre d'Integritat Estructural, Micromecànica i Fiabilitat dels Materials
CRnE - Centre de Recerca en Ciència i Enginyeria Multiescala de Barcelona

Participants

Arxius