INTEMA   05428
INSTITUTO DE INVESTIGACIONES EN CIENCIA Y TECNOLOGIA DE MATERIALES
Unidad Ejecutora - UE
artículos
Título:
Essential Work of Fracture of Photo-oxidized LDPE/EVA blends
Autor/es:
L. FASCE; G.CHIAVERANO; R. LACH; P. FRONTINI
Revista:
MACROMOLECULAR SYMPOSIA
Referencias:
Año: 2007 vol. 247 p. 271 - 281
ISSN:
1022-1360
Resumen:
In this paper the impact fracture behavior of two commercial, 10% and 25%, rubber-
modified polyamide 6 grades is investigated by the Essential Work of Fracture
methodology, which implies the testing of a series of samples of different ligament
lengths and the determination of the total fracture energy. The study is based on data
obtained from specimens made either from thick injected plates or bars. Tests were
carried out under Charpy and Izod configuration. Two modes of fracture were displayed
by the blends: ductile fracture or mixed mode depending on rubber content,
processing conditions and ligament lengths of the samples. When samples displayed
completely stable crack propagation behavior and geometric similarity of loaddisplacements
diagrams, an essential work of fracture value wIe, independent of
specimen thickness and testing configuration, could be extrapolated. Polym. Eng. Sci.
44:17071715, 2004. © 2004 Society of Plastics Engineers.
specimen thickness and testing configuration, could be extrapolated. Polym. Eng. Sci.
44:17071715, 2004. © 2004 Society of Plastics Engineers.
specimen thickness and testing configuration, could be extrapolated. Polym. Eng. Sci.
44:17071715, 2004. © 2004 Society of Plastics Engineers.
wIe, independent of
specimen thickness and testing configuration, could be extrapolated. Polym. Eng. Sci.
44:17071715, 2004. © 2004 Society of Plastics Engineers.© 2004 Society of Plastics Engineers.