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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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THE INFLUENCE OF LUDERS FRONT PROPAGATION ON THE STRENGTH OF THE "COATING-SUBSTRATE" COMPOSITE. NUMERICAL SIMULATION

Volume 3, Edição 4, 2012, pp. 283-305
DOI: 10.1615/CompMechComputApplIntJ.v3.i4.10
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RESUMO

Processes of propagation of localized plastic deformation fronts in a material with boride coating have been investigated. The boundary-value dynamic problem is solved in the plane-strain formulation. Numerical simulation is performed by the finite-difference method. In calculations the microstructure of the composite is taken into account explicitly and corresponds to that observed experimentally. The constitutive equations for the steel substrate include an elastoplastic model with isotropic strain hardening taking into account a relation to describe slow flows. Deformation and fracture of the coated material under external compression is shown to be controlled by the appearance of local regions of tension along the interface. An interaction and interplay between nonhomogeneous plastic deformation in the steel substrate and crack origination and growth in the coating are studied. Cracking patterns, location of the fracture onset, and volume fraction of failed material are found to depend on the velocity of Luders front propagation.

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