【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: 844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)