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SUMMARY:The use of chirped fibre Bragg grating sensors to monitor disbond 
 growth in bonded composite structures - Steve Ogin\, Department of Materia
 ls\, Surfaces and Structural Systems\, University of Surrey
DTSTART:20090219T160000Z
DTEND:20090219T170000Z
UID:TALK15458@talks.cam.ac.uk
CONTACT:Stephen Walley
DESCRIPTION:The growth in the use of composite materials\, and the develop
 ment of more reliable bonding techniques\, has led to a desire to reduce t
 he weight of composite structures by using adhesive bonding.  However\, th
 e integrity of an as-manufactured bonded joint\, and the in-service perfor
 mance of such a joint\, is difficult to monitor. The use of embedded optic
 al sensors based on chirped fibre Bragg gratings (CFBGs) will be described
 \, a method which enables both poor adhesive bonds to be detected and the 
 initiation and growth of fatigue damage (in the form of disbonding - also 
 called delamination) to be monitored.
LOCATION:Mott Seminar Room\, Cavendish Laboratory\, Department of Physics
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