Synthesis and characterization of Al2O3/SiC composite ceramics via carbothermal reduction of aluminosilicate precursor for solar sensible thermal storage
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- 作者：Xiaohong Xu ; Xinbin Lao ; laoxinbin@126.com" class="auth_mail" title="E-mail the corresponding author ; Jianfeng Wu ; Yaxiang Zhang ; Xiaoyang Xu ; Kun Li
- 关键词：Al2O3/SiC composite ceramics ; Solar sensible thermal storage ; Carbothermal reduction ; Heat capacity ; Thermal conductivity
- 刊名：Journal of Alloys and Compounds
- 出版年：2016
- 出版时间：25 March 2016
- 年：2016
- 卷：662
- 期：Complete
- 页码：126-137
- 全文大小：5480 K
文摘
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Al2O3/SiC ceramics for solar thermal storage (used at 850 °C) were synthesized.
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Al2O3 with high heat capacity was in-situ formed by carbothermal reduction method.
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The sintering temperature of Al2O3/SiC composites was greatly decreased to 1540 °C.
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The ceramics possessed high thermal conductivity and good thermal shock resistance.