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Composites: Mechanics, Computations, Applications: An International Journal

Publicado 4 números por año

ISSN Imprimir: 2152-2057

ISSN En Línea: 2152-2073

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.2 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 0.3 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00004 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.08 SJR: 0.153 SNIP: 0.178 CiteScore™:: 1 H-Index: 12

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FINITE-ELEMENT SIMULATION OF THE BEHAVIOR OF PERFORATION IN FIBER−METAL LAMINATES

Volumen 4, Edición 2, 2013, pp. 113-121
DOI: 10.1615/CompMechComputApplIntJ.v4.i2.20
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SINOPSIS

Fiber−metal laminates (FML) are hybrid materials based on different stacking configurations of thin metal and reinforced fiber epoxy layers. These materials have benefits of lower areal density and higher impact energy absorption. The energy is absorbed in these layered structures through plastic deformation and tearing of metal in addition to delamination and fiber fracture of composite layers. The perforation failure of the aluminum/glass fiber-based FML has been numerically investigated in this work. It is found that the geometry of the projectile has a significant effect on the energy required to perforate a certain FML configuration. The perforation of FML impacted by a rigid projectile of varying geometry is modeled by using commercial finite-element analysis code AN SYS AUTODYN. The numerical model is first validated with published experimental results and then extended to different projectile geometries. Numerical simulations are carried out with projectiles of conical, hemispherical, and ogival geometries. The results showed that conical projectiles with a smaller cone angle and ogival projectiles require significantly less energy to perforate certain FML than hemispherical and larger cone angle projectiles. Moreover, the projectile diameter, cone angle, truncated and tip diameters are the other important parameters in determining the perforation energy for FML structures.

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