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Fatigue performance improvement of electrical discharge machined hardmetals by means of combined thermal annealing and surface modification routes

Autor
Llanes, L.; Salan, N.; Casas, B.; Mestra, A.; Torres, Y.
Tipus d'activitat
Article en revista
Revista
International journal of refractory metals and hard materials
Data de publicació
2013-01
Volum
36
Pàgina inicial
60
Pàgina final
65
DOI
https://doi.org/10.1016/j.ijrmhm.2011.12.008 Obrir en finestra nova
Repositori
http://hdl.handle.net/2117/19759 Obrir en finestra nova
URL
http://www.sciencedirect.com/science/article/pii/S0263436811002137 Obrir en finestra nova
Resum
Electrical discharge machining (EDM) provides an effective means of shaping hardmetals. However, it is also known that surface integrity of these materials may be affected by EDM, degrading their tribomechanical characteristics. This work focuses on assessing the use of two different surface modification routes: thermomechanical treatments (shot blasting, polishing and final high temperature annealing) and/or physical vapor deposition of hard coatings, for improving the fracture and fatigue stre...
Citació
Llanes, L. [et al.]. Fatigue performance improvement of electrical discharge machined hardmetals by means of combined thermal annealing and surface modification routes. "International journal of refractory metals and hard materials", Gener 2013, vol. 36, p. 60-65.
Paraules clau
Cemented Carbides Wc-co, Electrical Discharge Machining, Fatigue Strength, Residual Stresses, Surface Modification
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