Simplified modeling method of impact damage for numerical simulation of Lamb wave propagation in quasi-isotropic composite structures
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DOI: 10.1016/j.compstruct.2020.112150
Abstract: Abstract In this paper, we present our investigation of impact damage modeling in a quasi-isotropic CFRP plate in which guided Lamb waves propagate. Because impact damages in CFRP structures consist of multiple microscopic damages, such… read more here.
Keywords: modeling method; impact; quasi isotropic; impact damage ... See more keywords
Detecting low-energy impact damages in carbon-carbon composites by ultrasonic infrared thermography
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DOI: 10.1134/s1061830917070099
Abstract: Composite materials are widely used in aerospace engineering, shipbuilding, and automobile industry due to their high durability, relatively low mass, and corrosion resistance. Composites are vulnerable to impact damages that may occur during production and… read more here.
Keywords: ultrasonic infrared; carbon; infrared thermography; energy ... See more keywords
An Experimental Study of the Feasibility of Identifying the Impact Damages of Reinforced Concrete Piers Using a Modal Frequency Method
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DOI: 10.1155/2020/6365354
Abstract: In this research study, horizontal impact tests were carried out on five reduced scale pier models using China’s most advanced multifunctional ultrahigh heavy drop hammer impact test system and DHDAS dynamic signal acquisition and analysis… read more here.
Keywords: modal frequency; method; impact damages; damage ... See more keywords