Preparation and Performance of Porous Mullite Lightweight Materials by Microemulsion Template Method

被引：0

作者：

Yin J. ^{[1
,2
]}

Song C. ^{[1
,2
]}

Ji P. ^{[2
]}

Wang Y. ^{[2
]}

Zhang Y. ^{[2
]}

Ding X. ^{[1
]}

Ran S. ^{[1
]}

Deng X. ^{[2
]}

Zhang H. ^{[3
]}

机构：

[1] Anhui Province Key Laboratory of Metallurgical Engineering & Resources Recycling, Anhui University of Technology, Ma'anshan

[2] School of Materials Science and Engineering, Key Laboratory of Green Fabrication and Surface Technology of Advanced Metal Materials, Ministry of Education, Anhui University of Technology, Ma'anshan

[3] The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan

来源：

Deng, Xiangong (dengxg@ahut.edu.cn) | 1600年 / Chinese Ceramic Society卷 / 49期

关键词：

Fly ash; Microemulsion template method; Porous mullite lightweight materials; Reaction sintering;

D O I：

10.14062/j.issn.0454-5648.20210532

中图分类号：

学科分类号：

摘要：

Porous mullite lightweight materials were prepared by a microemulsion template method and subsequent sintering with fly ash and calcined bauxite as raw materials, Isobam 104 as a dispersant, carboxymethyl cellulose as a suspending agent, polyoxyethylene sorbitan monooleate (Tween 80) as a surfactant, isooctane as an oil phase, ethylene glycol glycidyl ether as a binder and tetraethylenepentamine as a curing agent. The influences of fly ash content and Tween 80 content on the phase composition, linear shrinkage, bulk density, porosity, microstructure and mechanical properties of porous mullite lightweight materials were investigated. The results show that the linear shrinkage rate, bulk density and mechanical strength of porous materials prepared with 55% fly ash decrease, but the porosity increases as the volume ratio of Tween 80 to water increases from 2:100 to 5:100. When the volume ratio of Tween 80 to water is 5:100, the compressive strength and flexural strength of porous mullite lightweight materials with a porosity of 65.5%, a spherical pore diameter of 162μm, and a linear shrinkage rate of only 14.5% can reach 42.5MPa and 26.0MPa, respectively. © 2021, Editorial Department of Journal of the Chinese Ceramic Society. All right reserved.

引用

页码：2581 / 2588

页数：7

共 29 条

[1] YUAN L, MA B Y, ZHU Q, Et al., Preparation and properties of mullite-bonded porous fibrous mullite ceramics by an epoxy resin gel-casting process, Ceram Int, 43, pp. 5478-5483, (2017)
[2] ZHANG R, FANG D, PEI Y, Et al., Microstructure mechanical and dielectric properties of highly porous silicon nitride ceramics produced by a new water-based freeze casting, Ceram Int, 38, 5, pp. 4373-4377, (2012)
[3] TASLICUKUR Z C, BALABAN N, KUSKONMAZ, Production of ceramic foam filters for molten metal filtration using expanded polystyrene, J Eur Ceram Soc, 27, 2, pp. 637-640, (2007)
[4] ZHENG Y, ZHENG Y, Li Z, Et al., Preparations of C/SiC composites and their use as supports for Ru catalyst in ammonia synthesis, J Mol Catal A-Chem, 301, 1, pp. 79-83, (2009)
[5] YANG Y, SHIMAI S, SUN Y, Et al., Fabrication of porous Al2O3 ceramics by rapid gelation and mechanical foaming, J Mater Res, 28, 15, pp. 2012-2016, (2013)
[6] DENG X G, YIN J Q, Zhang W C, Et al., Microstructure and mechanical performance of acicular mullite-reinforced porous self-bonded ceramics, J Mater Sci, 55, pp. 9322-9329, (2020)
[7] ZHANG Y, YU J, CHEN S, Et al., Wastewater treatment using bioreactor with dual functional ceramic membrane, Int J Environ Pollut, 38, 3, pp. 318-327, (2009)
[8] SUN Peng, LI Yu, GUO Zhancheng, J Chin Ceram Soc, 43, 6, pp. 753-764, (2015)
[9] DENG X G, ZHANG W C, YIN J Q, Et al., Microstructure and mechanical performance of porous mullite ceramics added with TiO2, Ceram Int, 46, pp. 8438-8443, (2020)
[10] DENG Xiangong, WEI Tingting, RAN Songlin, Et al., J Chin Ceram Soc, 45, 12, pp. 1803-1809, (2017)

← 1 2 3 →