Preparation and characterization of whisker-reinforced ceramics from coal fly ash
Luo, Yang1,2; Ma, Shuhua1; Zhao, Zhenqing1; Wang, Zehua1,2; Zheng, Shili1; Wang, Xiaohui1
2017
发表期刊CERAMICS INTERNATIONAL
ISSN0272-8842
卷号43期号:1页码:1-11
摘要

A new type of ceramic is developed based on tobermorite whiskers, in which aluminum replaces some of the original silicon atoms. These Al-tobermorite whiskers are synthesized from coal fly ash through a dynamic hydrothermal method. Their fine fiber morphology and Al-substitution produce bulk ceramics with excellent mechanical properties. When sintered at 900 degrees C, a temperature lower than the one used for conventional ceramics, these whisker-reinforced ceramics have a flexural strength of 52.27 MPa, an open porosity of 9.51%, and a bulk density of 2.15 g/cm(3). These properties are attributed to the Al/Si ratio in the fly ash within an ideal range to improve the crystal form of the tobermorite as well as the wollastonite produced by sintering, without leaving residual Al that may affect the mechanical properties of the ceramics.

关键词Coal Fly Ash Dynamic Hydrothermal Method Tobermorite Fiber Low Temperature Sintering Reinforced Ceramic
文章类型Review
WOS标题词Science & Technology ; Technology
DOI10.1016/j.ceramint.2016.09.211
收录类别SCI
语种英语
关键词[WOS]ALUMINUM-SUBSTITUTED TOBERMORITE ; X-RAY-DIFFRACTION ; HYDROTHERMAL SYNTHESIS ; PARTICLE-SIZE ; WASTE ; TILES ; NANOSHEETS ; MONOLITH ; RESIDUE ; AL2O3
WOS研究方向Materials Science
WOS类目Materials Science, Ceramics
项目资助者Major State Basic Research Development Program of China (973 Program)(2013CB632601)
WOS记录号WOS:000390624600001
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21867
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Key Lab Green Proc & Engn, Beijing 100190, PR, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Luo, Yang,Ma, Shuhua,Zhao, Zhenqing,et al. Preparation and characterization of whisker-reinforced ceramics from coal fly ash[J]. CERAMICS INTERNATIONAL,2017,43(1):1-11.
APA Luo, Yang,Ma, Shuhua,Zhao, Zhenqing,Wang, Zehua,Zheng, Shili,&Wang, Xiaohui.(2017).Preparation and characterization of whisker-reinforced ceramics from coal fly ash.CERAMICS INTERNATIONAL,43(1),1-11.
MLA Luo, Yang,et al."Preparation and characterization of whisker-reinforced ceramics from coal fly ash".CERAMICS INTERNATIONAL 43.1(2017):1-11.
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