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11 April 2008Local strain measurement of Kevlar strand with fiber optic Bragg grating
1987 DuPont manufactured 4560 denier Kevlar/Epoxy Strands were instrumented with nine and three sensors each.
Stress tests were performed at 30,45,60,70 and 80% of ultimate strength with dwell times of 10,000 seconds. FBG
showed uneven stress levels which is contrary to conventional observation.
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Curtis E. Banks, Joseph Grant, Sam Russell, Shawn Arnett, "Local strain measurement of Kevlar strand with fiber optic Bragg grating," Proc. SPIE 6933, Smart Sensor Phenomena, Technology, Networks, and Systems 2008, 693307 (11 April 2008); https://doi.org/10.1117/12.776626