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Evolution of the microstructure and mechanical properties of stereolithography formed alumina cores sintered in vacuum
Li, He; Liu, Yongsheng; Liu, Yansong; Zeng, Qingfeng; Wang, Jing; Hu, Kehui; Lu, Zhigang; Liang, Jingjing
2020-11-01
Source PublicationJOURNAL OF THE EUROPEAN CERAMIC SOCIETY
Volume40Issue:14Pages:4825-4836
AbstractStereolithography (SL) was used to form alumina ceramic cores. The effect of sintering temperature on the microstructure and mechanical properties of the alumina ceramics are investigated, which were sintered in vacuum. The results indicate that, as the sintering temperature increased the particle size of alumina slightly increased, and the interlayer spacing first decreased and then increased. The open porosity of alumina ceramics significantly decreased as the sintering temperature in vacuum increased. The flexural strength and hardness increased as the sintering temperature increased. When sintered at 1150 degrees C, the flexural strength was found to be 33.7 MPa, the shrinkage was 2.3 %, 2.4 %, and 5.3 % in the X, Y, and Z directions, respectively, and the open porosity was 37.9 %. These results are similar to those found from sintering at 1280 degrees C in air.
DOI10.1016/j.jeurceramsoc.2019.11.047
WOS IDWOS:000556262000015
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82406
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Li, He,Liu, Yongsheng,Liu, Yansong,et al. Evolution of the microstructure and mechanical properties of stereolithography formed alumina cores sintered in vacuum[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2020,40(14):4825-4836.
APA Li, He.,Liu, Yongsheng.,Liu, Yansong.,Zeng, Qingfeng.,Wang, Jing.,...&Liang, Jingjing.(2020).Evolution of the microstructure and mechanical properties of stereolithography formed alumina cores sintered in vacuum.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,40(14),4825-4836.
MLA Li, He,et al."Evolution of the microstructure and mechanical properties of stereolithography formed alumina cores sintered in vacuum".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 40.14(2020):4825-4836.
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