کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9694145 | 1459640 | 2005 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Thermal characterization of Al2O3 and ZnO reinforced silicone rubber as thermal pads for heat dissipation purposes
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
جریان سیال و فرایندهای انتقال
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چکیده انگلیسی
Silicone rubber filled with thermally conductive, but electrically insulating Al2O3 or ZnO fillers were investigated to be used as elastomeric thermal pads, a class of thermal interface materials. The effect of Al2O3 or ZnO fillers on the thermal conductivity and coefficient of thermal expansion (CTE) of the silicone rubber were investigated, and it was found that with increasing Al2O3 or ZnO fillers, the thermal conductivity of the thermal pads increases, while the coefficient of thermal expansion (CTE) decreases. The thermal conductivity results obtained were also analyzed using the Agari model to explain the effect of Al2O3 or ZnO fillers on the formation of thermal conductive networks. Thermal gravimetry analysis (TGA) showed that the addition of either Al2O3 or ZnO fillers increases the thermal stability of the silicone rubber, while the scanning electron microscope (SEM) showed that at 10Â vol.% filler loading percolation threshold has yet to be reached.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thermochimica Acta - Volume 430, Issues 1â2, June 2005, Pages 155-165
Journal: Thermochimica Acta - Volume 430, Issues 1â2, June 2005, Pages 155-165
نویسندگان
L.C. Sim, S.R. Ramanan, H. Ismail, K.N. Seetharamu, T.J. Goh,