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Evolution of the microstructure and mechanical properties of stereolithography formed alumina cores sintered in vacuum

文献类型：期刊论文

作者Li, He2,3; Liu, Yongsheng2,3; Liu, Yansong2,3; Zeng, Qingfeng2; Wang, Jing2,3; Hu, Kehui4,5; Lu, Zhigang4,5; Liang, Jingjing1
刊名JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
出版日期2020-11-01
卷号40期号:14页码:4825-4836
关键词Stereolithography Aluminum oxide Sintering temperature Vacuum Ceramic cores
ISSN号0955-2219
DOI10.1016/j.jeurceramsoc.2019.11.047
通讯作者Liu, Yongsheng(yongshengliu@nwpu.edu.cn) ; Zeng, Qingfeng(qfzeng@nwpu.edu.cn)
英文摘要Stereolithography (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.
资助项目National Key Research and Development Program of China[2018YFB1106600] ; Chinese National Foundation for Natural Sciences[51672217]
WOS研究方向Materials Science
语种英语
WOS记录号WOS:000556262000015
出版者ELSEVIER SCI LTD
资助机构National Key Research and Development Program of China ; Chinese National Foundation for Natural Sciences
源URL[http://ir.imr.ac.cn/handle/321006/140089]  
专题金属研究所_中国科学院金属研究所
通讯作者Liu, Yongsheng; Zeng, Qingfeng
作者单位1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Northwestern Polytech Univ, Sci & Technol Thermostruct Composite Mat Lab, Xian 710072, Shaanxi, Peoples R China
3.Northwestern Polytech Univ, NPU SAS Joint Res Ctr Adv Ceram, Xian 710072, Shaanxi, Peoples R China
4.Tsinghua Univ, Dept Mech Engn, Beijing 100084, Peoples R China
5.Tsinghua Univ, State Key Lab Tribol, Beijing 100084, Peoples R China
推荐引用方式
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.

入库方式： OAI收割

来源：金属研究所

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