About this Abstract |
| Meeting |
MS&T25: Materials Science & Technology
|
| Symposium
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Processing and Performance of Materials Using Microwaves, Electric and Magnetic Fields, Ultrasound, Lasers, and Mechanical Work – Rustum Roy Symposium
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| Presentation Title |
Electrophoretic Alignment of Boron-Nitride Nanotubes within Silicone Polymers: E-field Control of Anisotropic Thermal Conductivity |
| Author(s) |
Christopher Kovacs |
| On-Site Speaker (Planned) |
Christopher Kovacs |
| Abstract Scope |
Many types of high power electronic systems use castable silicone gels for mechanical support of sensitive chip-bonded wiring, high voltage electrical isolation, and thermal management. The thermal conductivity of silicone gels, like most polymers, is lacking. In this study, we have loaded silicone gels with boron nitride nanotubes (BNNTs) and then demonstrate how to increase and control directionality of anisotropic thermal conductivity by utilizing electrophoresis during the polymer curing process. The dielectric breakdown strength of these polymers and cryogenic thermal shock resistance has also been examined. |