| Microstructure and mechanical properties of yttria-stabilized ZrO2/Al2O3 nanocomposite ceramics | |
| Department | 固体润滑国家重点实验室 ; 先进润滑与防护材料研究发展中心 |
Ye YP(冶银平) ; Li JG(李建功); Zhou HD(周惠娣); Chen JM(陈建敏)
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| 2008 | |
| Source Publication | Ceramics International
 |
| ISSN | 0272-8842 |
| Volume | 34Pages:1797-1803 |
| Abstract | Yttria-stabilized ZrO2/Al2O3 (abridged as YSZ/Al2O3) nanocomposite ceramics were prepared by pressureless sintering of the green sheets of the YSZ/Al2O3 nanopowders synthesized by co-precipitation method. The relative density, average grain size, and phase microstructure of the YSZ/Al2O3 nanoceramics as a function of YSZ contents were investigated. The relative densities of the YSZ/Al2O3 nanoceramics are over 95% as the YSZ contents of the YSZ/Al2O3 nanopowders are within 20–85 mol %. The average grain sizes of the ZrO2 and Al2O3 of the as-sintered YSZ/Al2O3 nanoceramics decrease with increasing YSZ content of the co-precipitated YSZ/Al2O3 nanopowders, while the content of monoclinic ZrO2 of YSZ/Al2O3 nanoceramics increases with increasing YSZ content. The presence of the second phase effectively limits a rapid grain growth of the matrix alumina. The YSZ/Al2O3 nanoceramics with an average grain sizes below 80 nm, relative density over 95%, and hardness as high as 19.8 GPa were obtained by the pressureless sintering. |
| Keyword | A. Sintering B. Grain Size B. Composites C. Hardness |
| Subject Area | 材料科学与物理化学 |
| Funding Organization | the Teaching and Research Award Program for Outstanding Young Professors in Higher Education Institute (TRAPOYP), MOE, the Key Research Programs of the MOE, PRC;the National Natural Science Foundation of China (NSFC) (50272025);the Innovative Group Foundation from NSFC (50421502) |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | 磨损和表面工程组 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.licp.cn/handle/362003/2586 |
| Collection | 固体润滑国家重点实验室（LSL） 中国科学院材料磨损与防护重点实验室/先进润滑与防护材料研究发展中心 |
| Corresponding Author | Ye YP(冶银平) |
| Recommended Citation GB/T 7714 | Ye YP,Li JG,Zhou HD,et al. Microstructure and mechanical properties of yttria-stabilized ZrO2/Al2O3 nanocomposite ceramics[J]. Ceramics International,2008,34:1797-1803. |
| APA | 冶银平,李建功,周惠娣,&陈建敏.(2008).Microstructure and mechanical properties of yttria-stabilized ZrO2/Al2O3 nanocomposite ceramics.Ceramics International,34,1797-1803. |
| MLA | 冶银平,et al."Microstructure and mechanical properties of yttria-stabilized ZrO2/Al2O3 nanocomposite ceramics".Ceramics International 34(2008):1797-1803. |
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| 20081797-1803.pdf（690KB） | 开放获取 | License | View Application Full Text | |||
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