Preparation and Properties of Acupuncture Quartz Fiber Reinforced Quartz-Based Composites

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Abstract:

Quartz-based composites reinforced by acupuncture quartz fibers were prepared by liquid phase infiltration-in situ solidification process. Effects of different molding processes on the density, micro-structure, phase structure and mechanics properties of the composites were studied. The experimental results show that the composite materials prepared by the silica slurry as matrix and 10% silica sol as the interface layer have better performance: the density increased from 0.74g/cm3 to 1.58g/cm3; the tensile strength, flexural strength and compressive strength reached 32.2MPa, 72.6MPa and 116MPa respectively; it is worth noting that the micro-structure of the material is uniform and compact, and the fracture mode of the material is ductile fracture with the pull out of the fiber.

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419-422

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July 2016

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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