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SUMMARY:Advanced processing of inorganic materials: taking cues from natur
 al materials
DTSTART:20170301T110000
DTEND:20170301T120000
DTSTAMP:20260509T115358Z
UID:db506774ded7edee8fc69d37bb4436a56a6a49adac68582adcf8a754
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr Florian Bouville\,  Complex Materials\, ETH Zürich\nHeter
 ogeneous composites with intricate microstructures are widely spread in th
 e natural world where they are needed to fulfil the specific functional de
 mands imposed by their environment. Understanding the principles of the re
 lationship between microstructure and properties has led to new conceptual
  designs for multifunctional composites. Additionally\, strong mineral com
 posites in living organisms or even dense rocks can sometimes be obtained 
 under much milder conditions than what is done industrially. However\, app
 lying the multiplicity of nature’s strategies to man-made materials is y
 et a challenge due to the lack of suitable and easily available processing
  tools.\n\nDuring this presentation\, we will go through various newly dev
 eloped processes: a cold sintering method inspired by geological phenomena
 \, the self-assembly of particles driven by the growth of ice crystals\, a
 nd the magnetically assisted slip casting. These techniques allow us to re
 produce the structure or mechanisms found in natural materials while addin
 g flexibility in terms of compositions and/or fabrication time. For instan
 ce the geologically inspired cold sintering of carbonates opens a way to d
 ensify inorganics materials at room temperature under pressure. The sample
 s obtained after directional freezing can be processed into a fully nacre 
 like ceramic that is both strong and tough. Finally the magnetically assis
 ted slip casting is a processing platform that offers radically new compos
 itional\, texture and shape control of inorganic building blocks. Each of 
 these tools provides new ways to design materials for specific purposes: h
 ighly directional thermal conductivity or ionic conductivity\, resistance 
 to fracture propagation or even decrease of the energy cost production. Th
 ese materials can ultimately be used for different applications\, ranging 
 from high temperature composites to metal-ion batteries.\n\nBio:\nFlorian 
 Bouville obtained his Master's degree in Material Sciences at the Institut
  National des Sciences Appliquées de Lyon (INSA de Lyon\, France) in 2010
 . He then moved to the South of France for his PhD between three partners:
  the company Saint-Gobain\, the Laboratory of Synthesis and Functionalizat
 ion of Ceramics and the MATEIS laboratory (INSA de Lyon). His research was
  based on the freezing of colloidal suspensions and self-assembly to proce
 ss bio-inspired materials. Since 2014\, he is a postdoctoral researcher in
  the Complex Materials group of Prof. André R. Studart at the Department 
 of Materials at the ETH Zürich. His research field is mainly on new addit
 ive manufacturing processes for inorganic materials\, with an emphasis on 
 toughening mechanisms and functional properties of architectured ceramics.
 \n\n\n 
LOCATION:MED 2 1124 (Coviz2) http://plan.epfl.ch/?lang=fr&room=MED21124
STATUS:CONFIRMED
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