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Development of SENB toughness measurement for thermoset resins
2007
Polymer testing
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Conventional single-edge notched bending (SENB) fracture toughness measurement is ideal for plastic materials, but it is intrinsically difficult to initiate a sufficiently sharp crack for brittle thermoset resins. The problem was addressed in this research by an instantly propagated crack with a geometry-modified SENB specimen. Because the crack sharpness was natural, sufficient and repeatable, the obtained toughness value was accurate and reproducible, which was verified by double cantilever
doi:10.1016/j.polymertesting.2006.12.011
fatcat:7b5epegymra7bhbqf2ypxdpwuq