Microtomographic analysis of impact damage in FRP composite laminates: A comparative study

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DOIResolve DOI: http://doi.org/10.1155/2013/521860
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TypeArticle
Journal titleAdvances in Materials Science and Engineering
ISSN1687-8434
Volume2013
Article number521860
SubjectClose relationships; Comparative studies; Composite laminate; Different layers; High level applications; Non-destructive technique; Properties of fiber; Ultrasonic C-scanning; Ability testing; Glass fibers; Impact testing; Materials testing; Mechanical properties; Polypropylenes; Three dimensional computer graphics; Ultrasonic testing; Laminated composites
AbstractWith the advancement of testing tools, the ability to characterize mechanical properties of fiber reinforced polymer (FRP) composites under extreme loading scenarios has allowed designers to use these materials in high-level applications more confidently. Conventionally, impact characterization of composite materials is studied via nondestructive techniques such as ultrasonic C-scanning, infrared thermography, X-ray, and acoustography. None of these techniques, however, enable 3D microscale visualization of the damage at different layers of composite laminates. In this paper, a 3D microtomographic technique has been employed to visualize and compare impact damage modes in a set of thermoplastic laminates. The test samples were made of commingled polypropylene (PP) and glass fibers with two different architectures, including the plain woven and unidirectional. Impact testing using a drop-weight tower, followed by postimpact four-point flexural testing and nondestructive tomographic analysis demonstrated a close relationship between the type of fibre architecture and the induced impact damage mechanisms and their extensions. © 2013 M. Alemi-Ardakani et al.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); NRC Industrial Materials Institute (IMI-IMI)
Peer reviewedYes
NPARC number21269627
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Record identifiere33fdbbf-c3ef-4b10-a192-6f3fd755255b
Record created2013-12-13
Record modified2016-05-09
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