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Conversations with Key US Textile Industry Firms: ATMI President - Current Issues Affecting Textile Industry Amerisource Alliance - The CBI Advantage Unifi, Inc. Discusses New Product Development |
| North Carolina Department of Commerce Textile Trade Symposium 2001 |
| Fiber Society Lecturer - Dr. Mark Renner: "Tribological and Thermal Behavior on Textile Surfaces" |
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INSIDE TATM Commentary: The future of textile education - Dr. R. A. Barnhardt SPECIAL NOTE: With regret, we announce the untimely death of Gordon A. Berkstresser, III, Professor Emeritus of Textile and Apparel, Technology and Management. Gordon was a TATM faculty member from 1978 to 1997. |
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of Textile Surfaces"
by
Dr. Marc Renner,
Professor, Ensitm (College of Textiles) University of Mulhouse, France
ABSTRACT
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INTERESTING
FACTS ABOUT AUTHOR
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Each year the Fiber Society selects individuals who have made significant contributions to fiber science as Fiber Society lecturers. Dr. Renner is one (of three) Fiber Society Lecturers for 2001-2002. |
November 14, 2001, graduate students and faculty in the NC State University College of Textiles listened and learned from Dr. Marc Renner, Fiber Society Lecturer for 2001-2002. The abstract of his presentation is presented here.
Textile surfaces can be characterized by their geometrical and structural parameters at three scales: the microscopic scale (fiber morphology), the mesoscopic scale (fiber bundle and yarn) and the macroscopic scale (fabric structure).These parameters have a important influence on tribological aspects (roughness and friction) and further on heat transfer occurred by the contact with a body and especially human skin during the handle of the fabric.
Human skin is very sensitive to mechanical contact. Micro-roughness can detect up to 1 micron amplitude variations at given frequencies, due to Meisner and Pacinian nervous cells. Very low thermal transfer (a few Joules) can be detected in less than 1 second by the skin.
The human brain gives a perception of the handle both with the help of objective sensations interpretation and subjective behavior of people.
Recently, Magnetic
Resonance Imagery results have given a simultaneous interpretation of
those both aspects Dynamical measurements of friction, roughness and heat
transfer give a good view of physical aspects of fabric handle. Results
are displayed for different values of structure parameters at the tree
scales (micro, meso and macroscopic), for cotton and polyester fiber knitwear.
Specific treatments on fabrics and garments, such as chemical finishing,
sanding, washing or ironing can be analyzed and controlled by this way.
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