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SUMMARY:IMX Talks - Nanomechanics  under extreme conditions: a journey fro
 m monocrystal-line silicon to human bone
DTSTART:20210614T130000
DTEND:20210614T140000
DTSTAMP:20260609T230359Z
UID:213030a692e162824c430dd141b608a5761dc4e1b16f951ae9a992c5
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr. Johann Michler\, EMPA\nThe mechanical response of modern m
 aterials results from a complex interplay between existing microstructure 
 and its evolution with time under stress. As structures get smaller — as
  their dimensions approach the micrometer or less - a number of puzzling p
 henomena are observed such as components getting stronger or brittle struc
 tures become ductile.\n\nTo unravel these processes\, we've developed rece
 ntly techniques to probe mechanical properties at small length scales unde
 r extreme conditions of temperature and strain rates in combination with i
 n-situ approaches such as electron backscatter diffraction (EBSD) during m
 icro-mechanical testing.\n\nAfter a short introduction to these methods th
 e talk will cover three case studies covering different material classes w
 ith increasing microstructural complexity:\n1) Plasticity and fracture of 
 monocrystalline silicon and fused silica: role of size\, temperature\, str
 ain rate and surface states.\n2) Synthesis and strength of ideal microstru
 ctures: nanolaminate thin films and microlattices.\n3) Some insights into 
 plasticity and fracture of bone.\n 
LOCATION:https://epfl.zoom.us/j/61352837500
STATUS:CONFIRMED
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