Ultra-high-porosity zirconia ceramics fabricated by novel room-temperature freeze-casting
Ultra-high-porosity zirconia ceramics fabricated by novel room-temperature freeze-casting
复制标题
新型室温冷冻铸造制备超高孔隙率氧化锆陶瓷
DOI:
10.1016/j.scriptamat.2008.12.011
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发表时间:
2009-04
影响因子:
6
通讯作者:
Hong, Changqing
中科院分区:
文献类型:
--
作者:
Zhang, Xinghong;Han, Jiecai;Du, Jiancong;Han, Wenbo;Hong, Changqing
Ultra-high-porosity zirconia ceramics with interconnected pores were prepared by freezing zirconia/camphene slurries with solid loading ranging from 10 to 20vol.%, followed by freeze-drying in air and subsequent heat treatment at 1500°C for 2h. All of the fabricated samples showed highly porous microstructures with moderate pores ranging from 20 to 50μm in size. The porosity varied between 82% and 67%, while the compressive strength was significantly improved from 41 to 63MPa.
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