Surface Treatment of Quartz Fiber in SiO_2/SiO_(2f) with Composite Properties of Materials

摘要

Two methods are adopted to remove wetting agents on surface of the quartz fiber, one is heat treatment, and the other is the combination of organic solvent and heat treatment. By comparing the changes of weight loss rate of quartz fiber before and after surface treatment, analyzing variation of morphology and composition of surface in SEM and XPS approaches, we conclude that the combination of organic solvent and heat treatment is superior to the pure thermal treatment in dealing with surface of quartz fiber. In heating process, different heating rates are used, the results show that: the lower the heating rate is, the greater the mechanical strength of the quartz fiber losses.