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Development of a Fiber Orientation Measurement Methodology for Injection Molded Thermally-Enhanced Polymers

[+] Author Affiliations
Timothy Hall, Arumugham Vaishnavi Subramoniam, Hugh A. Bruck, Satyandra K. Gupta

University of Maryland, College Park, MD

Paper No. MSEC2012-7291, pp. 567-577; 11 pages
doi:10.1115/MSEC2012-7291
From:
  • ASME 2012 International Manufacturing Science and Engineering Conference collocated with the 40th North American Manufacturing Research Conference and in participation with the International Conference on Tribology Materials and Processing
  • ASME 2012 International Manufacturing Science and Engineering Conference
  • Notre Dame, Indiana, USA, June 4–8, 2012
  • Conference Sponsors: Manufacturing Engineering Division
  • ISBN: 978-0-7918-5499-0
  • Copyright © 2012 by ASME

abstract

Thermally-enhanced polymer composites are a promising alternative to exotic metals in seawater heat exchanger applications due to the low cost and corrosion resistance of base polymers and heat transfer rates competitive with corrosion-resistant metals such as titanium or stainless steel. While the properties of thermally-enhanced polymer composites are well-suited for heat exchanger applications, fiber orientation has a strong influence on the structural and thermal performance of the manufactured components. In this study, a method of creating samples, sectioning and polishing them for imaging, microscope sampling for the identification of fibers, image processing to characterize fiber orientation, and finally comparison to predictions from computer-aided engineering (CAE) software is demonstrated for collecting experimental information on fiber orientation of molded parts. Understanding fiber orientation in injection-molded polymer heat exchangers is important for ensuring ideal heat transfer and structural performance and this study presents an experimental methodology for determining the influence of injection molding process parameters on fiber orientation in thermally-enhanced polymer composite geometries.

Copyright © 2012 by ASME
Topics: Fibers , Polymers

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