Paper Titles
Microstructure and Mechanical Properties of Nano-ZrO2 and Nano-SiO2 Particulate Reinforced AZ31-Mg Based Composites Fabricated by Friction Stir Processing
p.114
Preparation and Conductivity of TiO2-Doped Y2O3-Stabilized ZrO2 Ceramic
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Determining Interface Strength of Glass-Metal Bi-Layer Laminates Using Cross-Push Method
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Effects of Particle Size on the Thermal Physical Properties of SiCp/Al Composites
p.131
High Temperature Mechanical Property of Al2O3 Coated Quartz-Fiber Reinforced Methyl Silicon Resin Composites
p.135
Preparation and Flame Ablation/Oxidation Behavior of ZrB2/SiC Ultra-High Temperature Ceramic Composites
p.142
Friction and Wear Properties of Aluminum Matrix Composites and its Application
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Fabrication and Formation Mechanism of In Situ AlN and Mg2Si Particles-Reinforced Mg Matrix Composites
p.151
Prediction of the Effect of Alloying Elements on In Situ Reaction in Synthesizing (AlN+Mg2Si)/Mg Composites
p.156

High Temperature Mechanical Property of Al2O3 Coated Quartz-Fiber Reinforced Methyl Silicon Resin Composites

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Abstract:

In the present work, Al2O3 was coated on the quartz fiber by the sol-gel method to improve the high temperature mechanical properties of the quartz fiber/methyl silicon resin composites. The X-ray diffraction results showed that the crystalline property of the Al2O3 coating increased with the processing temperature. Before 500oC treated, the Al2O3 coated fiber reinforced composites have lower flexural strength than the commercial fiber reinforced one. While after 500oC treated, the flexural strength of Al2O3 coated fiber reinforced composites was higher than the uncoated reinforced one. And the flexural strength for the 400oC treated Al2O3 coated fiber reinforced composites was higher than that of the 600oC treated one. The mechanism of the crack propagation in the purchased and Al2O3 coated fiber reinforced composites was also studied through scanning electronic microscopy (SEM).

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Periodical:

Key Engineering Materials (Volume 351)

Pages:

135-141

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.351.135

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Online since:

October 2007

Authors:

Lei Wang, Yu Dong Huang, Li Liu

Keywords:

Al2O3, Coating, Quartz Fiber, Silicon Resin Composites, Sol-Gel (SG)

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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