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Correlation between phase content and mechanical properties of SiCw- ZTA composites sintered by SPS

文献类型：期刊论文

作者Niu, Lijuan1,2,3; Li, Shufen1,2,3; Zhu, Yabin1,2; Chai, Jianlong1,2; Liu, Yiwen1,2; Shen, Tielong1,2; Jin, Peng1,2; Zhang, Hongpeng1,2; Xie, Erqing3; Wang, Zhiguang1,2
刊名CERAMICS INTERNATIONAL
出版日期2021-06-01
卷号47期号:11页码:15059-15066
ISSN号0272-8842
关键词SiC whiskers ZTA composites Sintering temperature Microstructure Mechanical properties
DOI10.1016/j.ceramint.2021.02.063
通讯作者Zhu, Yabin(zhuyabin@impcas.ac.cn) ; Wang, Zhiguang(zhgwang@impcas.ac.cn)
英文摘要The zirconia toughened alumina (ZTA) composites have been widely used as an engineering material in many application areas due to their remarkable mechanical properties. However, the fracture toughness of ZTA does not generally meet the requirements of aerospace, machinery and other fields. In this study, the SiC whiskers (SiCw) have been incorporated in the ZTA composites to improve the fracture toughness. The SiCw employed in this study mainly consist of the ? phase, with a small fraction of the ? phase. The effect of the SiCw content and sintering temperature on the microstructure and mechanical properties of the SiCw-ZTA (ZASw) composites has been systematically studied. The incorporation of SiCw is noted to reduce the density of the ZASw composites. On enhancing the SiCw content, the Vickers hardness and fracture toughness of the composites initially decrease, followed by an increase. However, the flexural strength of the composites increases with the SiCw content. At a SiCw content of 10.0 vol %, the strength, hardness and toughness are observed to reach the maximum values. On enhancing the sintering temperature, the strength and hardness of the composites are observed to remain nearly constant, while the toughness of the composites is increased.
WOS关键词FRACTURE-TOUGHNESS ; CERAMICS ; ALUMINA ; MICROSTRUCTURE ; FABRICATION ; STRENGTH ; POROSITY ; HARDNESS ; SPEED
资助项目National Natural Science Foundation of China[11805245] ; National Natural Science Foundation of China[11505247] ; National Natural Science Foundation of China[U1832206] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA21010202] ; Sichuan Science and Technology Program[2018JZ0014]
WOS研究方向Materials Science
语种英语
出版者ELSEVIER SCI LTD
WOS记录号WOS:000640984300004
资助机构National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Sichuan Science and Technology Program
源URL[http://119.78.100.186/handle/113462/137556]  
专题中国科学院近代物理研究所
通讯作者Zhu, Yabin; Wang, Zhiguang
作者单位1.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China
2.Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China
3.Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714		 Niu, Lijuan,Li, Shufen,Zhu, Yabin,et al. Correlation between phase content and mechanical properties of SiCw- ZTA composites sintered by SPS[J]. CERAMICS INTERNATIONAL,2021,47(11):15059-15066.
APA Niu, Lijuan.,Li, Shufen.,Zhu, Yabin.,Chai, Jianlong.,Liu, Yiwen.,...&Wang, Zhiguang.(2021).Correlation between phase content and mechanical properties of SiCw- ZTA composites sintered by SPS.CERAMICS INTERNATIONAL,47(11),15059-15066.
MLA Niu, Lijuan,et al."Correlation between phase content and mechanical properties of SiCw- ZTA composites sintered by SPS".CERAMICS INTERNATIONAL 47.11(2021):15059-15066.

入库方式： OAI收割

来源：近代物理研究所

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