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SUMMARY:MEchanics GAthering -MEGA- Seminar: Soft conductive fibers for mec
 hanical sensing
DTSTART:20191121T161500
DTEND:20191121T173000
DTSTAMP:20260916T055647Z
UID:b2bf3bd54df3a64de9455a1c3ac0c19235348f940921b24dae81bd44
CATEGORIES:Conferences - Seminars
DESCRIPTION:Andreas Leber\, FIMAP\, EPFL\nThe integration of conductive e
 lements in soft material constructs provides attractive opportunities for 
 the realization of diverse electromechanical devices. Flexible mechanical 
 sensors\, in particular\, offer a wide application range in health monitor
 ing\, human-machine interaction\, and soft robotics. However\, their imple
 mentation in functional textiles is limited because existing devices are u
 sually small\, 0D elements\, and spatially resolved sensing is only achiev
 ed through arrays of sensors that are difficult to integrate and include m
 any failure-susceptible connections. In this talk\, we will present a clas
 s of soft and conductive fibers tailored for the sensing of mechanical sti
 muli on large\, flexible surfaces. The scalable thermal drawing technique 
 is employed to co-process electrical materials\, such as polymer composite
 s or liquid metals\, within a soft thermoplastic elastomer support into lo
 ng fibers with customizable architectures. Controlled deformations of the 
 fibers’ microstructure\, in the form of compression or elongation\, indu
 ce detectable\, predictable\, and reversible changes in electrical charact
 eristics. Experimental and theoretical knowledge about the coupling of the
  fibers’ mechanical and electrical properties forms the basis for the de
 sign of fiber-based sensors that are capable of reliably assessing mechani
 cal stimuli. The potential of the 1D sensors in health care is demonstrate
 d by measuring pressures on a gymnastic mat for the monitoring of body pos
 ition\, posture\, and motion.
LOCATION:MED 2 2423 https://plan.epfl.ch/?room==MED%202%202423
STATUS:CONFIRMED
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