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UID:0-5781@eng.ufl.edu
DTSTART;TZID=America/New_York:20230413T124500
DTEND;TZID=America/New_York:20230413T140000
DTSTAMP:20251201T210320Z
URL:https://www.eng.ufl.edu/news-events/events/mae-candidate-seminar-new-m
 echanics-for-surfaces-of-soft-hydrated-materials/
SUMMARY:MAE Candidate Seminar - New Mechanics for Surfaces of Soft\, Hydrat
 ed Materials
DESCRIPTION:New Mechanics for Surfaces of Soft\, Hydrated Materials\nThursd
 ay\, April 13\, 2023\, at 12:50 pm\nLocation: In-Person MAE-A\, Room 303\n
 Alison C. Dunn\, PhD\nAssociate Professor\, Mechanical Science &amp\; Engi
 neering\, University of Illinois at Urbana-Champaign (USA)\nAbstract\nThe 
 mechanical science of materials was developed by our academic predecessors
 \, and we use engineering materials in ways that are predictable and safe\
 ; however\, the future is one where the extreme and unique properties driv
 e the use of materials.This is especially true for soft materials\, which 
 have started a revolution in engineering solutions for complex problems in
  human health and water purification. Specifically\, hydrogels are known f
 or their low friction\, or lubricity\, but new mechanics are needed in ord
 er to translate surface properties into real hydrogel engineering solution
 s. Thus in this talk I will describe the advent of three new approaches to
  hydrogel surface mechanics discovered through careful micromechanical exp
 erimentation. The first approach will show how competing rates of fluid ex
 udation and sliding control friction. The second approach will validate th
 e sliding surface behavior by analogy to history-dependent effects in comp
 lex fluids. And the third approach will demonstrate the effects of a gradi
 ent-stiffness surface on contact mechanics and slip. These characterizatio
 ns aim to provide mechanistic design guidance for surface performance of h
 igh-water-content hydrogels.\nBiography\nAlison C. Dunn is an associate pr
 ofessor in Mechanical Science &amp\; Engineering at the University of Illi
 nois at Urbana-Champaign (USA). Her laboratory aim is to emulate and explo
 it surface properties &amp\; structures to control sliding interfaces usin
 g experiments and theory. She works on soft materials like hydrogels and s
 ilicone\, as well as insect cuticle and hardened steel. Selected awards in
 clude the NSF CAREER award\, the ASME Burt L. Newkirk Award\, and the TMS 
 Frontiers of Materials award.\nMAE Faculty Host: Thomas Angelini
CATEGORIES:Faculty Search
LOCATION:MAE-A Room 303\, 939 Sweetwater Drive\, Gainesville\, FL\, 32611\,
  United States
GEO:29.643814;-82.34865
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=939 Sweetwater Drive\, Gain
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  303:geo:29.643814,-82.34865
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