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《Glass & Enamel》 2017-06
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Study on Influence of the Shape and Size of Glass Fiber on Measurement of Glass Softening Point

LI Jianfeng;TIAN Yingliang;WANG Xinpeng;LI Yongming;School of Materials Science and Engineering,Beijing University of Technology;National Glass Products Quality Supervision and Inspection Center;  
In this paper,three kinds of glass fibers with different diameters( Φ 0.50-Φ 0.90 mm),different cylindrical degrees( ΔΦ 0.01-ΔΦ 0. 06 mm) and different roundness( ΔΦ 0. 01-ΔΦ 0. 2 mm) were prepared by mechanical drawing process. The effects of glass fiber diameter,cylindricality and roundness on the measurement of softening point were investigated by Littleton method. The results show that with the increase of the diameter of glass fiber,the temperature of the glass softening point decreases gradually. With increases of the cylindrical difference between the upper and lower ends of glass fiber( ΔΦ),the temperature fluctuation of softening point increases. For different rounds of glass fiber,the softening point temperature depends on the minimum diameter of the fiber cross section;when the minimum diameter is constant,with the maximum diameter increases,the softening point temperature changes little.
【Fund】: 北京市朝阳区协同创新项目(XC 1620)
【CateGory Index】: TQ171.1
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