Experimental Determination of Fracture Toughness of CFRP in Mode II by Raman Spectroscopy
Source abstract
Abstract
Fracture toughness of Mode II of carbon fiber reinforced plastic (CFRP) was investigated using end notched flexure (ENF) specimens and a Raman coating method. Distribution of shear strain near the crack tip of CFRP was measured by Raman spectroscopy. A thin film of PbO on the measured surface of the ENF specimen was deposited by physical vapor deposition (PVD) as pretreatment to measure the strain by Raman spectroscopy. Fracture toughness of CFRP in Mode II was determined using the Raman results. The results coincided closely with those measured by the compliance method and FEM analyses (finite element method).
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Research context
OpenAlex topics: Mechanical Behavior of Composites · Fiber-reinforced polymer composites · Electronic Packaging and Soldering Technologies
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References (20)
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