Sodium Silicate Based Thermal Interface Material for High Thermal Contact Conductance-Reference-Cited by-同舟云学术

Sodium Silicate Based Thermal Interface Material for High Thermal Contact Conductance

Published:1999-12-28 Issue:2 Volume:122 Page:128-131
ISSN:1043-7398
Container-title:Journal of Electronic Packaging
language:en
Short-container-title:

Author:

Xu Yunsheng¹,Luo Xiangcheng¹,Chung D. D. L.¹

Affiliation:

1. Composite Materials Research Laboratory, State University of New York at Buffalo, Buffalo, NY 14260-4400

Abstract

Sodium silicate based thermal interface pastes give higher thermal contact conductance across conductor surfaces than polymer based pastes and oils, due to their higher fluidity and the consequent greater conformability. Addition of hexagonal boron nitride particles up to 16.0 vol. percent further increases the conductance of sodium silicate, due to the higher thermal conductivity of BN. However, addition beyond 16.0 vol. percent BN causes the conductance to decrease, due to the decrease in fluidity. At 16.0 vol. percent BN, the conductance is up to 63 percent higher than those given by silicone based pastes and is almost as high as that given by solder. Water is almost as effective as sodium silicate without filler, but the thermal contact conductance decreases with time due to the evaporation of water. Mineral oil and silicone without filler are much less effective than water or sodium silicate without filler. [S1043-7398(00)00402-3]

Publisher

ASME International

Subject

Electrical and Electronic Engineering,Computer Science Applications,Mechanics of Materials,Electronic, Optical and Magnetic Materials

Link

http://asmedigitalcollection.asme.org/electronicpackaging/article-pdf/122/2/128/5882126/128_1.pdf

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