Ceramification of Composites of MgO-Al2O3-SiO2/Boron Phenolic Resin with Different Calcine Time
来源期刊：Journal Of Wuhan University Of Technology Materials Science Edition2021年第2期
论文作者：石敏先 TANG Qingxiu FAN Shanshan DONG Chuang 黄志雄
文章页码：174 - 182
摘 要：The ceramifiable polymer composite of MgO-Al2O3-SiO2/boron phenolic resin（MAS/BPF） with 40wt% of inorganic fillers was calcined at 1 200 ℃ for different time to promote ceramification of ceramifiable composite and improve heat resistance.The effects of different calcine time on the macroscopical morphology,mass loss,phase evolution,microstructure and chemical bond evolution of MAS/BPF composites were characterized by XRD,XPS,and SEM analyses.The experimental results reveal that the increase of calcine time result in the fewer holes,relatively denser and smoother top layer of MAS/BPF composites and protect the interior from deeper decomposition.The final residues of composites are amorphous carbon and C-O-Si-Al-Mg ceramic.And MAS/BPF composites show excellent mass stability,low shrinkage and self-supporting features after 2 h holding compared with BPF composites without 40wt% of inorganic fillers.
石敏先，TANG Qingxiu，FAN Shanshan，DONG Chuang，黄志雄
School of Materials Science and Engineering, Wuhan University of Technology
摘 要：The ceramifiable polymer composite of MgO-Al2O3-SiO2/boron phenolic resin（MAS/BPF） with 40wt% of inorganic fillers was calcined at 1 200 ℃ for different time to promote ceramification of ceramifiable composite and improve heat resistance.The effects of different calcine time on the macroscopical morphology,mass loss,phase evolution,microstructure and chemical bond evolution of MAS/BPF composites were characterized by XRD,XPS,and SEM analyses.The experimental results reveal that the increase of calcine time result in the fewer holes,relatively denser and smoother top layer of MAS/BPF composites and protect the interior from deeper decomposition.The final residues of composites are amorphous carbon and C-O-Si-Al-Mg ceramic.And MAS/BPF composites show excellent mass stability,low shrinkage and self-supporting features after 2 h holding compared with BPF composites without 40wt% of inorganic fillers.
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