Effect of Thermal Treatment on the Microstructure of Polycrystalline Silver Halide Fibers

Abstract

Abstract: The silver halide fibers were made by hot extrusion. The microstructure of the fibers changed after thermal treatment at different temperatures. SEM
micrographs showed that the microstructure of the fibers did not change when temperatures of thermal treatment T<170℃, and their grain sizes were
1～2μm. The grain size grew up when T>170℃. The relation of grain size and T was as follows: 10～20μm, T=200℃; 20～30μm,
T=250℃; 30～40μm, T=300℃, respectively. The measurements of microhardness also showed that the microhardness of the fibers decreased as temperatures of thermal treatment
increased when T>170℃ and the lowest microhardness appeared at 200℃.

Key words: infrared optical fiber, silver halide, thermal treatment, microstructure

CLC Number:

YQ171

GAO Jian-Ping,BIAN Bei-Ya,ZHANG Yi,WU Zhong-Ren. Effect of Thermal Treatment on the Microstructure of Polycrystalline Silver Halide Fibers[J]. Journal of Inorganic Materials.

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Effect of Thermal Treatment on the Microstructure of Polycrystalline Silver Halide Fibers

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