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Composite materials consisting of high thermal conductive fillers and polymer matrix are often used as thermal interface materials to dissipate heat generated from mechanical and electronic devices. The prediction of effective thermal conductivity of composites remains as a critical issue due to its dependence on considerably factors. Most models for prediction are based on the analog between electric...
In this study, effective thermal conductivities of composite materials were investigated both experimentally and theoretically. The composites made of silicone rubber and spherical Al2O3 particles of four mean diameters were prepared with various volume fractions. Experimental results indicate that the effective thermal conductivity increases nonlinearly with increasing particle volume fraction and...
We describe a system for patterning neuronal cultures using a weakly focused laser beam. Using this technique, individual cells can be placed at predetermined positions with submicron accuracy, enabling detailed study of neurite outgrowths regulated by various cell contact interactions. Images of the cells are analyzed automatically by an algorithm to detect the soma and neurite outgrowth. The soma...
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