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Proceedings Paper

Stress and flow analyses of ultraviolet-curable resin during curing
Author(s): Eisaku Umezaki; Akira Okano; Hiroto Koyama
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Paper Abstract

The stress and flow generated in ultraviolet (UV)-curable resin during curing in molds were measured to investigate their relationship. The specimens were molds consisting of glass plates and acrylic bars, and UV-curable liquid resin. The specimens were illuminated from above with UV rays. Photoelastic and visual images were separately obtained at a constant time interval using cameras during curing. To help obtain the visual images, acrylic powder was mixed with the liquid resin. The stress was obtained from the photoelastic images by a digital photoelastic technique with phase stepping, and the flow was obtained from the visual images by a particle-tracking velocimetry technique. Results indicate that the stress generated in the UV-curable resin during curing depends on the degree of contact between the mold and the cured area of the resin, and is hardly related to the flow.

Paper Details

Date Published: 2 June 2014
PDF: 8 pages
Proc. SPIE 9234, International Conference on Experimental Mechanics 2013 and Twelfth Asian Conference on Experimental Mechanics, 923408 (2 June 2014); doi: 10.1117/12.2053962
Show Author Affiliations
Eisaku Umezaki, Nippon Institute of Technology (Japan)
Akira Okano, Nippon Institute of Technology (Japan)
Hiroto Koyama, Nippon Institute of Technology (Japan)


Published in SPIE Proceedings Vol. 9234:
International Conference on Experimental Mechanics 2013 and Twelfth Asian Conference on Experimental Mechanics
Somnuk Sirisoonthorn, Editor(s)

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