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CATEGORIES:Conferences/Seminars/Lectures
DESCRIPTION:Stepan Lomov\nProfessor / Research Manager\nCoordinator\, Compo
 site Materials Group\; Toray Chair on Composite Materials\nDepartment of Ma
 terials Engineering\, KU Leuven\n\nThanks to their hierarchical organizatio
 n spanning through multiple scales hierarchical composites show exemplary r
 esilience to failure\ncombined with a plethora of different functions. This
  toughness improvement is generally attributed to the additional energy dis
 sipated by the debonding and pull-out of CNTs from the matrix although othe
 r mechanisms are also known to contribute to it. In this work\, we use a co
 mputational framework to reveal different toughening mechanisms and to unde
 rstand their relative contributions to the toughness of composites with CNT
  grafted fibers. These mechanisms occur at different length scales and conc
 urrently. Our computational experiments show that there are mainly three co
 ntributing toughening mechanisms: damage diffusion and energy dissipation t
 hrough CNT debonding and fibre/matrix interfacial debonding\, with the firs
 t one playing a dominant role. The simulation resulted in a “damage map” pl
 otting the occurrence of different damage modes in relation to the CNT stre
 ngth and CNT interface strength.\n\nCo-authored by: Qiang Liu\, Stepan V. L
 omov\, Larissa Gorbatikh\n \n\nBiography\nProfessor Stepan V. Lomov graduat
 ed from St Petersburg Polytechnic as MSc in Applied Mathematics in 1978 and
  got his PhD (1985) and Dr Habille (1995) Degrees in Textile Material Scien
 ce. Since 2000 he is a professor of KU Leuven. he coordinates the Composite
  Materials Group in the Department of Materials Engineering at KU Leuven an
 d holds Toray Chair on Composite Materials.\n\nHis research interests inclu
 de:\n\n- Structural mechanics of textiles\, composites and biomaterials-Mul
 ti-level modelling of heterogeneous media- Internal geometry\, mechanical p
 roperties\, permeability of textiles and composites- Development of "virtua
 l material" software- Experimental studies of properties of textiles and co
 mposites- Advanced reinforcements (textile\, 3D\, nano…) \n\nHosted By:\n\n
  \n\nProfessor Brian L. Wardle\, MIT-Department of Aeronautics and Astronau
 tics
DTEND:20180731T160000Z
DTSTAMP:20260412T173245Z
DTSTART:20180731T150000Z
GEO:42.36018;-71.094405
LOCATION:Guggenheim Laboratory\,  33-218
SEQUENCE:0
SUMMARY:MATERIALS SPECIAL LECTURE: Nano cum micro scale finite element mode
 lling of nano-engineered composites
UID:tag:localist.com\,2008:EventInstance_32875554152465
URL:https://calendar.mit.edu/event/materials_special_lecture_nano_cum_micro
 _scale_finite_element_modelling_of_nano-engineered_composites
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