Abstract

The heating treatment condition to make copper particle dispersed glass to control the dispersion and the particle size by melt quenching and heat treatment method, and the mechanism of growth of copper particles during heat treatment, were investigated. The phosphate glasses were suited for host glass to make copper particle dispersed glass by the method. In the phosphate glasses, time temperature copper dispersion diagrams (T-T-D diagrams) for the homogeneous dispersion of copper particles in the glass, were prepared. The particle size of copper increased linearly with the cube root of the heating time at temperatures less than the glass transition temperature (Tg). On the other hand, the particle size increased linearly with the heating time at temperatures higher than Tg. Dispersion and particle size of copper were controlled by heat treatment condition to prepare T-T-D diagrams and prove the mechanism of growth of copper particles in the glass.

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