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Intraply fracture of fiber-reinforced composites: microscopic mechanisms and modeling
Canal Casado, Luis Pablo and González Martínez, Carlos Daniel and Segurado Escudero, Javier and Llorca Martinez, Francisco Javier
Intraply fracture of fiber-reinforced composites: microscopic mechanisms and modeling.
"Composites Science And Technology", v. 72
||Intraply fracture of fiber-reinforced composites: microscopic mechanisms and modeling
Canal Casado, Luis Pablo
González Martínez, Carlos Daniel
Segurado Escudero, Javier
Llorca Martinez, Francisco Javier
|Título de Revista/Publicación:
||Composites Science And Technology
||28 June 2012
||E.T.S.I. Caminos, Canales y Puertos (UPM)
||Ciencia de los Materiales
|Creative Commons Licenses:
||Recognition - No derivative works - Non commercial
The fracture behavior parallel to the fibers of an E-glass/epoxy unidirectional laminate was studied by
means of three-point tests on notched beams. Selected tests were carried out within a scanning electron
microscope to ascertain the damage and fracture micromechanisms upon loading. The mechanical behavior
of the notched beam was simulated within the framework of the embedded cell model, in which the
actual composite microstructure was resolved in front of the notch tip. In addition, matrix and interface
properties were independently measured in situ using a nanoindentor. The numerical simulations very
accurately predicted the macroscopic response of the composite as well as the damage development
and crack growth in front of the notch tip, demonstrating the ability of the embedded cell approach to
simulate the fracture behavior of heterogeneous materials. Finally, this methodology was exploited to
ascertain the influence of matrix and interface properties on the intraply toughness.
|FP7||213371||MAAXIMUS||Unspecified||More Affordable Aircraft structure through eXtended, Integrated, and Mature nUmerical Sizing|
|Comunidad de Madrid||S2009/MAT-1585||Unspecified||Unspecified||Unspecified|
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