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SUMMARY:Biomimetic vascular self-healing systems for cementitious material
 s - Zijing Li\, PhD Research Student at the Department of Engineering\, Un
 iversity of Cambridge
DTSTART:20201112T160000Z
DTEND:20201112T164500Z
UID:TALK151105@talks.cam.ac.uk
CONTACT:Magdalena Charytoniuk
DESCRIPTION:Nature has always been a source of inspiration in engineering 
 applications and vascular networks\, as in human skin and in a tree leave\
 , are one attribute that has received attention in the design of resilient
  structures. A vascular system houses healing agents within its interconne
 cted networks which are incorporated within a cement matrix. \nIt is the o
 nly self-healing approach that has the capability to address different sca
 les of damage in cementitious materials. The main aim of the work is to de
 velop novel vascular networks inspired by nature for self-healing in cemen
 titious systems. To achieve this\, biomimetic three-dimensional (3D) vascu
 lar networks were designed and generated circulatory blood volume transfer
 . The designed structures were constructed through 3D printing and assesse
 d in a cement-based matrix. \nMechanical testing assessed the compatibilit
 y of the system with the surrounding matrix as well as the functionality o
 f the network in delivering and releasing the healing agent at the locatio
 n of damage. \nThis initial proof of concept work confirmed the ability of
  the vascular systems to deliver the healing agent via physical and chemic
 al triggers\, and demonstrated a significantly enhanced healing performanc
 e.\n
LOCATION:Delivered online via Zoom
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