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Composites: Mechanics, Computations, Applications: An International Journal

Publicou 4 edições por ano

ISSN Imprimir: 2152-2057

ISSN On-line: 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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BALLISTIC IMPACT PERFORMANCE OF SMATed 304 STAINLESS STEEL AND HYBRIDIZED COMPOSITES

Volume 8, Edição 4, 2017, pp. 315-338
DOI: 10.1615/CompMechComputApplIntJ.v8.i4.40
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RESUMO

Due to the excellent mechanical performance, much research on nanocrystalline metals has been done in recent years. Surface mechanical attrition treatment (SMAT) is an excellent method for obtaining nanocrystalline and nanotwinned ultrafine crystalline steels from coarse-grained AISI 304 stainless steel. These both appear to be suitable candidates for ballistic protection due to their outstanding mechanical properties. In this paper, the methodology of numerical simulation of the ballistic performance (limited by 600 m/s) of SMATed 304 stainless steel hybridized with a carbon fiber–epoxy composite layer is presented. Based on the Johnson–Cook flow stress model, the user's material subroutine VUMAT, and the surface-based cohesive behavior (SBCB), the simulation demonstrates not only the residual velocity and deformation, but also the damage evolution of steel layers, composite layers, and the delamination between composites and steel layers. The mechanisms of the failure of the hybrid material due to ballistic impact are very well represented. The accuracy and efficiency of our numerical methodology permits it to be used for predicting the ballistic performance and designing the structure of other hybrid materials.

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