Título:
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Experimental study into compression after impact strength of laminates with conventional and nonconventional ply orientations
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Autor/a:
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Liv, Yi; Guillamet Busquets, Gerard; Costa i Balanzat, Josep; González Juan, Emilio Vicente; Marín Hernández, Lorena; Mayugo Majó, Joan Andreu
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Otros autores:
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Ministerio de Economía y Competitividad (Espanya) |
Abstract:
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The quest for impact damage tolerant laminates by tailoring stacking sequences has led to nonconventional laminates whose ply sequences are not limited to 0, ±45 and 90°. Departing from the hypothesis that compression after impact (CAI) strength is impaired by the presence of delaminations, a ply sequence was defined by selecting the mismatch angles between plies so as to maintain a central sublaminate with no, or small, delaminations. An experimental test campaign was devoted to validate this hypothesis. To that purpose, baseline and blocked-ply laminates were included in the study. Specimens were tested under low velocity impact followed by compression according to ASTM standards. Delaminations were identified with Ultrasonic C-Scan. The results show delamination locations being successfully predetermined by controlling the mismatch angle, as well as the ensuing improvement in compressive strength retention after impact |
Abstract:
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The authors acknowledge the financial support of the Spanish Ministerio de Ciencia e Innovación under the project MAT2015-69491-C3-1-R (MINECO/FEDER, UE) |
Materia(s):
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-Materials laminats -Laminated materials -Assaigs de materials -Materials -- Testing -Materials compostos -- Deslaminatge -Composite materials -- Delamination |
Derechos:
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Tots els drets reservats
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Tipo de documento:
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Artículo Artículo - Versión publicada peer-reviewed |
Editor:
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Elsevier
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Compartir:
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