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【复材专家系列6】Creating Composites that Fail More Gradually
发布者:管理员 日期:2017/9/1 浏览次数: 618次

Prof. Michael Wisnom

Aerospace Structures, University of Bristol

Director of National Composites Centre, UK

时   间:2017年09月1日   14:00

地   点:曹光彪楼326会议室

邀请人:彭华新 教授


Michael Wisnom, has a BSc in Mechanical Engineering from Imperial College, and a PhD from Bristol University. He worked on a wide range of projects including structural analysis of the Piaggio Avanti airframe. He joined the university of Bristol as a lecturer in aircraft structures in 1987, was appointed as Professor of Aerospace Structures in 1995 and established the Advanced Composites Centre for Innovation and Science in 2006. He is a leading expert on the mechanics of fibre reinforced composites, failure mechanisms and finite element analysis, with over 350 published papers. He is Director of the Rolls-Royce Composites University Technology Centre, a member of the steering board of the National Composites Centre and Editor in Chief and European Editor for Applied Science and Manufacturing of the international journal Composites Part A.


Abstract  Understanding the mechanisms of failure of composite structures and developing mechanism based failure criteria are important considerations in designing structures made of composite materials. The compressive response of composite materials has received considerable attention due to their significance in the aerospace industry and the complexity associated with compressive failure. Several competing failure mechanisms such as fiber/matrix interfacial failure, fiber microbuckling/kinking, delamination initiation and delamination buckling may become active in compressive loading. The initial fracture propagation within a full-scale stiffened quasi-isotropic composite panel and coupons with stringer feet under tensile loads was reported. The failure loads of all configurations were successfully related using the same value of trans-laminar fracture energy. The method involved independent tests of scaled-down Over-height Compact Tension specimens and the Virtual Crack Closure Technique. 



浙大复材专家系列讲座  第6期

InCSI Special Composites Seminar (No. 6)



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