Thermally conductive filled polymers enable the creation of multifunctional structures that offer both anchoring points for the embedded actuators, as well as heat-dissipation functions, in order to facilitate the miniaturization of devices. However, there are two important challenges in creating these structures: (1) sufficient thermal management to prevent failure of the actuator and (2) the ability of the actuator to survive the manufacturing process. This paper describes a systematic approach for design of multifunctional structures with embedded heat-generating components using an in-mold assembly process to address these challenges. For the first challenge, the development of appropriate thermal models is presented along with incorporation of in-mold assembly process constraints in the optimization process. For the second challenge, a simulation of the molding process is presented and demonstrated to enable the determination of processing conditions ensuring survival of the in-mold assembly process for the embedded actuator. Thus, the design methodology described in this paper was utilized to concurrently optimize the choice of material, size of the structure, and processing conditions in order to demonstrate the feasibility of creating multifunctional structures from thermally conductive polymers by embedding actuators through an in-mold assembly process.
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e-mail: wojbej@umd.edu
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November 2009
Research Papers
A Systematic Approach for Designing Multifunctional Thermally Conducting Polymer Structures With Embedded Actuators
Wojciech Bejgerowski,
Wojciech Bejgerowski
Department of Mechanical Engineering,
e-mail: wojbej@umd.edu
University of Maryland
, College Park, MD 20742
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Satyandra K. Gupta,
Satyandra K. Gupta
Department of Mechanical Engineering and Institute for Systems Research,
e-mail: skgupta@umd.edu
University of Maryland
, College Park, MD 20742
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Hugh A. Bruck
Hugh A. Bruck
Department of Mechanical Engineering,
e-mail: bruck@umd.edu
University of Maryland
, College Park, MD 20742
Search for other works by this author on:
Wojciech Bejgerowski
Department of Mechanical Engineering,
University of Maryland
, College Park, MD 20742e-mail: wojbej@umd.edu
Satyandra K. Gupta
Department of Mechanical Engineering and Institute for Systems Research,
University of Maryland
, College Park, MD 20742e-mail: skgupta@umd.edu
Hugh A. Bruck
Department of Mechanical Engineering,
University of Maryland
, College Park, MD 20742e-mail: bruck@umd.edu
J. Mech. Des. Nov 2009, 131(11): 111009 (8 pages)
Published Online: October 14, 2009
Article history
Received:
April 18, 2009
Revised:
July 14, 2009
Published:
October 14, 2009
Citation
Bejgerowski, W., Gupta, S. K., and Bruck, H. A. (October 14, 2009). "A Systematic Approach for Designing Multifunctional Thermally Conducting Polymer Structures With Embedded Actuators." ASME. J. Mech. Des. November 2009; 131(11): 111009. https://doi.org/10.1115/1.4000239
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