Thermal diffusivity measurements of silicate melts at hightemperature have systematically been made by ap- plying thedifferential three layered laser flash method. Data processing hasalso been developed in order to separate the contribution due toradiative component from measured values at high temperature byconsidering the variation of the ab- sorption coefficients whenadding TiO_2 ZrO_2 or iron oxide. The ability of thermal diffusivitymeasurement system for micro region of composite based on the thermo-reflectance method is also demonstrated by using the result ofNbTi/Cu composite.
展开▼
