Influence of the notch sharpening on the impact fracture toughness of ethylene-propylene block copolymers

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dc.contributor	Universitat Politècnica de Catalunya. Departament de Ciència dels Materials i Enginyeria Metal·lúrgica
dc.contributor	Universitat Politècnica de Catalunya. POLYCOM - Polimers i compòsits: tecnologia
dc.contributor.author	Martínez Benasat, Antonio
dc.contributor.author	Arencón Osuna, David
dc.contributor.author	Rodríguez Pérez, Jesús
dc.contributor.author	Salazar López, Alicia
dc.date	2014-06-01
dc.identifier.citation	Martinez, A. [et al.]. Influence of the notch sharpening on the impact fracture toughness of ethylene-propylene block copolymers. "Polymer testing", 01 Juny 2014, vol. 36, núm. 1, p. 75-81.
dc.identifier.citation	0142-9418
dc.identifier.citation	10.1016/j.polymertesting.2014.03.018
dc.identifier.uri	http://hdl.handle.net/2117/23026
dc.language.iso	eng
dc.relation	http://www.sciencedirect.com/science/article/pii/S0142941814000762
dc.rights	Attribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Enginyeria química
dc.subject	Copolymers
dc.subject	Ethylene
dc.subject	Propene
dc.subject	Femtolaser
dc.subject	Fracture toughness
dc.subject	Notch sharpening
dc.subject	Copolímers
dc.subject	Etilè
dc.subject	Propilè
dc.title	Influence of the notch sharpening on the impact fracture toughness of ethylene-propylene block copolymers
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	The impact fracture toughness of several ethylene-propylene block copolymers has been evaluated using the traditional contact notch sharpening technique of tapping and a new non-contact technique based on femtolaser ablation. The fracture toughness values obtained with the specimens notched by the femtolaser ablation technique were always lower than the tapped specimens. The impact fracture toughness values of these block copolymers does not depend only on the ethylene content, but also the molecular weight has a remarkable influence. © 2014 Elsevier Ltd. All rights reserved.
dc.description.abstract	Peer Reviewed

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