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UID:0-229@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20220105T133000

DTEND;TZID=Asia/Jerusalem:20220105T143000

DTSTAMP:20230409T142932Z

URL:https://aerospace.technion.ac.il/events/hybrid-approach-to-predict-and
 -optimize-flaw-detection-capabilities-using-laser-shearography/

SUMMARY:Hybrid Approach to Predict and Optimize Flaw Detection Capabilities
  using Laser Shearography
DESCRIPTION:Lecturer:Yair Elbaz\n Faculty:Department of Aerospace Engineeri
 ng\n Institute:Technion – Israel Institute of Technology\n Location:Clas
 sroom 165\, ground floor\, Library\, Aerospace Eng. & https://technion.zoo
 m.us/j/91091112215\n Zoom: \n Abstract: \n Details: \n In recent years\, t
 here is significant integration of composite elements in the aviation worl
 d due to their unique benefits. However\, these elements also have disadva
 ntages – the sensitivity to production process and limitations of\nnon-d
 estructive testing (NDT) methods. NDT of composite structures is a global 
 challenge. One of the main methods\, which has been gaining momentum in re
 cent years\, is the Laser Shearography Testing (LST). Today\, due to depen
 dence on several parameters\, LST detection capabilities for composite str
 uctures\, are not known in advance. The manner in which the NDT procedures
  are currently being developed is based on accumulated experience\, trial 
 and error\, and a number of "rules of thumb". In the present study\, we pr
 esent a theoretical\, analytical and experimental study of the engineering
  prediction of shearography fringe pattern. We had developed a methodology
  which was implemented as a simulation that can evaluate the LST fringe pa
 ttern in advance. The simulation was tested by comparing its results to re
 presentative cases from the literature and by conducting a practical exper
 iment by LST system yielding a good match. Subsequently\, "Detection Capab
 ility Envelopes" were constructed for the LST which makes it possible to a
 ssess the flaws detection capability in advance depending on a variety of 
 parameters. These\, can be used as a guide and as a reference point for al
 l those involved in the testing process using the LST method\, developers 
 and technicians alike\, for the more efficient and accurate flaws detectio
 n in aviation structures – which will lead to improved  flight safety.\
 nZoom Meeting
CATEGORIES:Seminars
LOCATION:Classroom 165\, ground floor\, Library\, Aerospace Eng. & https://
 technion.zoom.us/j/91091112215

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