| Strengthening Ti3AlC2 by In Situ Synthesizing Ti3AlC2-Y4Al2O9 Composites |
| X. Zhan; Z. Li; Z. H. Gao; L. Y. Zheng; X. H. Wang; J. Y. Wang; Y. C. Zhou
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| 2012
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| 发表期刊 | Journal of the American Ceramic Society
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| ISSN | 0002-7820
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| 卷号 | 95期号:7页码:2314-2321 |
| 摘要 | Ti3AlC2 has low density, high elastic modulus, quasi-ductility, and excellent oxidation resistance. However, its relatively low strength needs to be improved. In this study, dense Ti3AlC2-Y4Al2O9 composites (containing 2.5, 5, and 7.5 wt% Y4Al2O9) were synthesized by hot pressing/solid-liquid reaction using Ti, Al, C, and Y2O3 as initial materials. We investigated the in situ formation process of Y4Al2O9, and studied the change of microstructure and optimization of mechanical properties of the Ti3AlC2-Y4Al2O9 composites. The grain size and aspect ratio of Ti3AlC2 grains are significantly reduced in Ti3AlC2Y4Al2O9 composites, which is the source of higher strength from room temperature to elevated temperatures. The Ti3AlC2-5 wt%Y4Al2O9 composite shows better optimization in its mechanical properties than other studied composites. In addition, there is an improvement in strength without debit in toughness of the composite. |
| 部门归属 | [zhan, xun; li, zhen; gao, zenghua; zheng, liya; wang, xiaohui; wang, jingyang] chinese acad sci, high performance ceram div, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. [zhan, xun; li, zhen; gao, zenghua; zheng, liya] chinese acad sci, grad sch, beijing 100039, peoples r china. [zhou, yanchun] aerosp res inst mat & proc technol, sci & technol funct composite lab, beijing 100076, peoples r china.;wang, jy (reprint author), chinese acad sci, high performance ceram div, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china.;jywang@imr.ac.cn; yczhou714@gmail.com
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| 关键词 | Liquid Reaction Synthesis
Mechanical Spectroscopy
Theoretical
Prediction
Ductile Transition
Elastic Properties
Ceramics
Phase
Oxide
Microstructures
Behavior
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| URL | 查看原文
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| 文献类型 | 期刊论文
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| 条目标识符 | http://ir.imr.ac.cn/handle/321006/60429
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| 专题 | 中国科学院金属研究所
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推荐引用方式
GB/T 7714 |
X. Zhan,Z. Li,Z. H. Gao,et al. Strengthening Ti3AlC2 by In Situ Synthesizing Ti3AlC2-Y4Al2O9 Composites[J]. Journal of the American Ceramic Society,2012,95(7):2314-2321.
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| APA |
X. Zhan.,Z. Li.,Z. H. Gao.,L. Y. Zheng.,X. H. Wang.,...&Y. C. Zhou.(2012).Strengthening Ti3AlC2 by In Situ Synthesizing Ti3AlC2-Y4Al2O9 Composites.Journal of the American Ceramic Society,95(7),2314-2321.
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| MLA |
X. Zhan,et al."Strengthening Ti3AlC2 by In Situ Synthesizing Ti3AlC2-Y4Al2O9 Composites".Journal of the American Ceramic Society 95.7(2012):2314-2321.
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