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Composites: Mechanics, Computations, Applications: An International Journal

Erscheint 4 Ausgaben pro Jahr

ISSN Druckformat: 2152-2057

ISSN Online: 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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EXPERIMENTATION FOR FLEXURAL STRENGTH AND FRACTURE TOUGHNESS ON CARBON AND GLASS FIBER SELF-HEALING COMPOSITES WITH BISPHENOL A DIGLYCIDYL ETHER AND AMINE MICROCAPSULES

Volumen 12, Ausgabe 4, 2021, pp. 85-117
DOI: 10.1615/CompMechComputApplIntJ.2021039848
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ABSTRAKT

The present study investigates self-healing ability of carbon/E-glass fibers composites based on microcapsule approach under flexural and fracture loading. The proposed self-healing fiber reinforced composite constitutes epoxy resin (Lapox ARL-136+AH-126), unidirectional carbon, and E-glass fibers with different orientations such as 0°, 45°, and 90°, microcapsules of BADGE (monomer) and amine with AH-319 hardener as curing agent are embedded. The self-healing ability of the developed composites at different healing time (5, 6, and 7 days) and comparison of recovered flexural strength for carbon/E-glass fiber along different orientations are studied. On day 7 the healing efficiencies obtained are 61.89, 61.20, 78.30% and 64.50, 68.55, 82.77% for carbon/E-glass fiber orientation along 0°, 45°, 90° composite, respectively. By knowing the drawbacks of microcapsule-based system and to reduce the healing time, experimentally fracture properties in mode I, II, mixed-mode conditions, and efficiencies based on extrinsic approach are evaluated. Optimum healing efficiencies obtained in mode I for carbon/E-glass fiber orientation along 45° are 103.51 and 84.16%, respectively. Similarly in mode II for carbon fiber along 0° and E-glass fiber along 45°, obtained efficiencies are 130.32 and 84.48%, respectively. And, in mixed mode for carbon fiber along 90° and E-glass fiber along 45° obtained efficiencies are 232.78 and 119.23%, respectively. Optimum fracture toughness of healed is 75% as compared to virgin samples. The results show that the self-healing composites may provide excellent mechanical and fracture properties towards a wide range of structural applications.

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