Low-velocity impact characterization of fiber-reinforced composites with hygrothermal effect

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dc.contributor.authorZai, Behzad Ahmed
dc.contributor.authorKhan, Muhammad
dc.contributor.authorPark, M. K.
dc.contributor.authorShahzad, Majid
dc.contributor.authorShahzad, M. A.
dc.contributor.authorSalman, Nisar
dc.contributor.authorKhan, Sohaib Zia
dc.contributor.authorKhan, Kamran Ahmed
dc.contributor.authorShah, Aqueel
dc.date.accessioned2019-10-28T16:27:37Z
dc.date.available2019-10-28T16:27:37Z
dc.date.issued2018-06-19
dc.description.abstractIn this article, low-velocity impact characteristics of UHN125C carbon fiber/epoxy composite, including unidirectional (0°), cross-directional (0°/90°), and quasi-isotropic layups, were experimentally measured. The effect of the fiber orientation angle and stacking sequences on impact force and induced strain were measured via an instrumented drop-weight apparatus with special concern for the moisture absorption effect. Dried specimens were immersed in distilled water for a certain period of time to absorb water for intermediate and saturated moisture content. It was observed that the impulse was reduced with the increase in moisture content; on the other hand, strain increased with moisture, as measured by DBU-120A strain-indicating software (MADSER Corp., El Paso, TX). Impact damage is widely recognized as one of the most detrimental damage forms in composite laminates because it dissipates the incident energy by a combination of matrix damage, fiber fracture, and fiber-matrix debonding. Therefore, it is extremely important to know the impact strength of a structure, especially for applications in industries such as aerospace, ship design, and some other commercial applications. The use of composite materials in engineering applications is increasing rapidly because they have higher strength-to-weight ratios than metals. The strength, stiffness, and, eventually, the life of composite materials are affected more than conventional materials by the presence of moisture and temperature. Thus, it is necessary to analyze the response of composites in a hydrothermal environment.en_UK
dc.identifier.citationKhan S, Nisar S, Shah A, (2019) Low-velocity impact characterization of fiber-reinforced composites with hygrothermal effect. Journal of Testing and Evaluation, Volume 47, Issue 1, pp. 350-360en_UK
dc.identifier.issn0090-3973
dc.identifier.urihttps://doi.org/10.1520/JTE20170620
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/14642
dc.language.isoenen_UK
dc.publisherASTMen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectDynamic strainen_UK
dc.subjectFiber orientationen_UK
dc.subjectMoisture contenten_UK
dc.subjectImpulseen_UK
dc.subjectLayupen_UK
dc.titleLow-velocity impact characterization of fiber-reinforced composites with hygrothermal effecten_UK
dc.typeArticleen_UK

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