A DCAMM seminar will be presented by
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Professor Ramesh Talreja
\nDepartment of Aerospace Engineering
\nDepartment of Materials Science and Engineering
\nTexas A&M University, College Station, Texas 77843, USA
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\nAbstract:
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Polymer matrix composites are manufactured by a variety of methods, ranging from labor-intensive hand layups to fully automated techniques employing robotics. Depending on the degree of control in the manufacturing process different defects appear in the final product. These defects can be described as deviations from the intended morphology of the internal structure of a composite. Examples are nonuniform fiber distribution and fiber misalignment, imperfect fiber-matrix bonding, and matrix voids. All such defects can be initiators of local damage that can lead to deterioration of the composite performance. This presentation will discuss a strategy for performance evaluation of composite structures accounting for the severity of manufacturing defects. A statistical methodology for construction of representative volume elements combined with local stress and failure analysis applicable to polymers will be presented. Certain fundamental issues concerning descriptors of randomness and nonuniformity will also be addressed
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\nCake, coffee and tea will be served 15 minutes before the seminar starts.
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\nAll interested persons are invited
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X-ALT-DESC;FMTTYPE=text/html:
A DCAMM seminar will be presented by
\n\n
\n\n
\n\n
\n\n
\n\n\n
Professor Ramesh Talreja
\nDepartment of Aerospace Engineering
\nDepartment of Materials Science and Engineering
\nTexas A&M University, College Station, Texas 77843, USA
\n
\n
\nAbstract:
\n
Polymer matrix composites are manufactured by a variety of methods, ranging from labor-intensive hand layups to fully automated techniques employing robotics. Depending on the degree of control in the manufacturing process different defects appear in the final product. These defects can be described as deviations from the intended morphology of the internal structure of a composite. Examples are nonuniform fiber distribution and fiber misalignment, imperfect fiber-matrix bonding, and matrix voids. All such defects can be initiators of local damage that can lead to deterioration of the composite performance. This presentation will discuss a strategy for performance evaluation of composite structures accounting for the severity of manufacturing defects. A statistical methodology for construction of representative volume elements combined with local stress and failure analysis applicable to polymers will be presented. Certain fundamental issues concerning descriptors of randomness and nonuniformity will also be addressed
\n\n
\nCake, coffee and tea will be served 15 minutes before the seminar starts.
\n
\nAll interested persons are invited
\n\n
\n
\n
URL:http://www.dcamm.dk/kalender/2026/05/seminar_no_802 DTSTAMP:20260525T060200Z UID:{D4CC1429-8D3C-4320-AEC8-6FDA59B42221}-20260513T090000Z-20260513T090000Z LOCATION: Technical University of Denmark - Risø Campus, Building R1503, Room RS67, Frederiksborgvej 399, 4000 Roskilde END:VEVENT END:VCALENDAR