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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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INFLUENCE OF THE STRUCTURE OF EPOXY COMPOSITE FILLED WITH DISCRETE FIBERS ON IMPACT FRACTURE OF VEHICLE PARTS

Volume 11, Edição 2, 2020, pp. 113-127
DOI: 10.1615/CompMechComputApplIntJ.2020031192
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RESUMO

The influence of the content of a mixture of discrete organic fibers on the mechanical strength and nature of destruction of epoxy composites is investigated. It is proved that the introduction of fiber additive into an epoxy binder at an optimum content (q = 0.01 wt.%) increases the impact strength of polymer composites 1.8 times in comparison with the epoxy matrix. It is shown that the growth of impact strength is connected with self-regulation of the structure of composites filled with discrete fibers during the cross-linking process of polymer composites. To determine the resistance of the developed composite materials to impact shocks, changes in spectra of crack propagation during impact shocks with time are investigated and deformation dependences of specimens on shocks are found. The destruction surface of composite materials filled with fiber additive is investigated by the optical microscopy method. An ordered structure of composite materials at the optimum content of a mixture of discrete organic fibers (without fragile areas on the destruction surface and visible granules) is found, which allows one to state the thermodynamic equilibrium in heterogeneous systems after their cross-linking. This additionally indicates a high index of mechanical strength of developed epoxy composites.

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CITADO POR
  1. Investigation of epoxycomposites linking kinetics during ultrasonic treatment , Functional Materials, 27, 4, 2021. Crossref

  2. Buketov Andriy, Sapronov Oleksandr, Menou Abdellah, Syzonenko Olha, Sapronova Anna, Panin Sergey, Resistance to Impact of Loads of Shock Nature of Protective Coatings Intended for Protection of Boat Devices of Water Transport, in TRANSBALTICA XII: Transportation Science and Technology, 2022. Crossref

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