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SUMMARY:New functional surfaces: from science to application - Professor E
 duard Arzt\, INM Saarbrueken
DTSTART:20141121T143000Z
DTEND:20141121T160000Z
UID:TALK54799@talks.cam.ac.uk
CONTACT:Ms Helen Gardner
DESCRIPTION:New surfaces and coatings can drastically improve the properti
 es and applicability of materials. At INM\, we develop and investigate new
  micro- and nanopatterned surfaces for diverse functionalities: low fricti
 on\, adhesion\, corrosion protection\, anti-reflection\, electric storage 
 and combinations of these. Such surfaces either exhibit new chemistries or
  new topographies\, sometimes on different hierarchical levels. This talk 
 will summarize some of our developments by bridging the scientific princip
 les with existing or emerging applications. Emphasis will be placed on the
  bio-inspired exploitation of judiciously designed surface protrusions\, 
 “fibrils” and other features on the micron scale (“gecko effect”)\
 ; this allows fundamentally new degrees of freedom for mechanical and othe
 r surface functions to be created. We have investigated the contact mechan
 ics of the gecko effect and\, based on this\, created numerous biomimetic 
 micropatterned surfaces in the lab. It is found that many parameters gover
 n the detachment behavior of such a dry adhesive: fibril size\, shape\, as
 pect ratio\, humidity\, viscoelasticity etc. Our current emphasis is on sw
 itchable adhesive surfaces\, which have resulted in first robotic applicat
 ions for pick-an-place systems. Our Gecomer® technology is now being exte
 nded to cover soft surfaces\, e.g. skin. Besides robotics and sports\, thi
 s opens up new opportunities for micropatterned functional surfaces in the
  biomedical field.\nEduard Arzt is scientific director and chairman of INM
  – Leibniz Institute for New Materials in Saarbrücken\, Germany\, and P
 rofessor for New Materials at Saarland University since 2007. He studied p
 hysics and mathematics at the Universities of Vienna and Leoben\, Austria\
 , and obtained his PhD in 1980. After a postdoctoral fellowship at Cambrid
 ge University\, UK\, he joined the Max Planck Institute for Metals Researc
 h in Stuttgart\, Germany\, as a group leader in 1982. In 1990\, he became 
 institute director with a joint appointment as Professor of Metals Physics
  at the University of Stuttgart. He was visiting professor and researcher 
 at Stanford University\, Massachusetts Institute of Technology\, Technion 
 Israel Institute of Technology and the Chinese Academy of Sciences in Shen
 yang and has spent sabbaticals at the MIT and the University of California
 \, Santa Barbara and San Diego. Arzt has received several awards\, includi
 ng the Max Planck Research Award (with W. D. Nix of Stanford University) a
 nd the Leibniz Prize\, the highest German science award. In 2013\, he was 
 awarded an ERC Advanced Grant of the European Research Council. He is corr
 esponding member of the Austrian Academy of Science\, and member of the Ge
 rman Academy of Science Leopoldina. The Institute for Scientific Informati
 on lists him as a highly cited materials scientist. His research interests
  range from metallic micro- and nanostructures and thin film mechanics to 
 the micromechanics of biological systems and new bioinspired functional su
 rfaces. Arzt is editor of the leading materials review journal\, Progress 
 in Materials Science.

LOCATION: Cambridge University Engineering Department\, LR4
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