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UID:0-289@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20200916T163000

DTEND;TZID=Asia/Jerusalem:20200916T173000

DTSTAMP:20230525T071508Z

URL:https://aerospace.technion.ac.il/events/assessment-of-load-bearing-cap
 abilities-of-cfrp-filament-wound-structures/

SUMMARY:Assessment of Load Bearing Capabilities of CFRP Filament Wound Stru
 ctures
DESCRIPTION:Lecturer:Yaniv Seri\n Faculty:Department of Aerospace Engineeri
 ng\n Institute:Technion – Israel Institute of Technology\n Location:http
 s://technion.zoom.us/j/95290027997\n Zoom: \n Abstract: \n Details: \n Cor
 rect estimation of load bearing capabilities and prediction of failure has
  an important role in design and quality control of filament wound (FW) co
 mposite fiber reinforced plastic (CFRP) structures such as composite overl
 apped pressure vessels\, filament wound pipes and other. Such structures a
 re widely used in aerospace\, military and gas industries and must provide
  safe operation.\n\nThere is a limited number of studies and methods that 
 are used today for assessment of load bearing capabilities of FW CFRP stru
 ctures. The present research is intended to review the state-of-the-art pr
 actices and assist in development of a new approach for evaluation of stru
 ctural integrity of filament wound structures at loads below those normall
 y applied during proof testing and improve operational safety of CFRP pres
 sure equipment.\n\nDuring the present research \, we have tested and analy
 zed NOL ring\, a parallel filament wound hoop test specimens\, for identif
 ication of characteristic stages of damage accumulation and development us
 ing experimentally measured characteristics of acoustic emission (AE)\, st
 rain and displacement. A correlation between fracture loads and different 
 parameters of AE was observed. It was shown also that acoustic emission te
 chnology can detect effectively matrix micro-cracking\, fiber brakeage and
  other damage mechanisms related to CFRP damage. The results of the tests 
 of NOL rings and full-scale products test showed similarity in fracture pr
 operties including stages of damage accumulation and developing that were 
 confirmed experimentally by acoustic emission and strain measurements.
CATEGORIES:Seminars
LOCATION:https://technion.zoom.us/j/95290027997

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