Hardness and compression behavior of niobium carbide
文献类型：期刊论文
| 作者 | Liu, Fangming1; Liu, Pingping2; Peng, Fang1; Liu, Jing3; He, Duanwei1 |
| 刊名 | High pressure research
 |
| 出版日期 | 2017-06-01 |
| 卷号 | 37期号:2页码:244-255 |
| ISSN号 | 0895-7959 |
| 关键词 | Hardness Compression behavior Nbc Binderless Hard material |
| DOI | 10.1080/08957959.2017.1297810 |
| 通讯作者 | He, duanwei(duanweihe@scu.edu.cn) |
| 英文摘要 | We report the combined experimental and theoretical investigations on high pressure structural stability of niobium carbide (nbc). the compressibility of nbc has been measured using angle-dispersive synchrotron x-ray diffraction in a diamond anvil cell (dac) at room temperature and high pressure (up to 38.0 gpa), complemented with first-principles density-function theory calculations. the results imply that nbc shows bulk modulus of k-0 = 281 (6) gpa with a pressure derivative k'(0) = 6.2 (1.5) for its strong covalent bonding. in addition, indentation testing on the well-sintered bulk nbc obtained at 5.0 gpa/1400 degrees c yielded a vickers hardness of 19.2 gpa and fracture toughness of 7.7 mpa m(1/2) at applied load of 10 kgf, demonstrating that binderless nbc prepared under high pressure should be a prospective hard material. |
| WOS关键词 | TRANSITION-METAL CARBIDES ; MECHANICAL-PROPERTIES ; ELECTRONIC-STRUCTURE ; PHASE-STABILITY ; NBC ; INDENTATION ; CALIBRATION ; DEPOSITION ; PRESSURES ; NITRIDES |
| WOS研究方向 | Physics |
| WOS类目 | Physics, Multidisciplinary |
| 语种 | 英语 |
| 出版者 | TAYLOR & FRANCIS LTD |
| WOS记录号 | WOS:000399885500014 |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2177207 |
| 专题 | 高能物理研究所 |
| 通讯作者 | He, Duanwei |
| 作者单位 | 1.Sichuan Univ, Inst Atom & Mol Phys, Chengdu, Peoples R China 2.Sichuan Univ, Coll Phys Sci & Technol, Chengdu, Peoples R China 3.Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Fangming,Liu, Pingping,Peng, Fang,et al. Hardness and compression behavior of niobium carbide[J]. High pressure research,2017,37(2):244-255. |
| APA | Liu, Fangming,Liu, Pingping,Peng, Fang,Liu, Jing,&He, Duanwei.(2017).Hardness and compression behavior of niobium carbide.High pressure research,37(2),244-255. |
| MLA | Liu, Fangming,et al."Hardness and compression behavior of niobium carbide".High pressure research 37.2(2017):244-255. |
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来源：高能物理研究所
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