Effect of Cr content on microstructure and properties of Mo0.5VNbTiCrx high-entropy alloys
文献类型：期刊论文
| 作者 | Xiang, C.1,2; Fu, H. M.3; Zhang, Z. M.1; Han, E-H1; Zhang, H. F.3; Wang, J. Q.1; Hu, G. D.3,4 |
| 刊名 | JOURNAL OF ALLOYS AND COMPOUNDS
 |
| 出版日期 | 2020-03-25 |
| 卷号 | 818页码:12 |
| ISSN号 | 0925-8388 |
| 关键词 | High-entropy alloy Microstructure Phase composition Hardness Mechanical properties |
| DOI | 10.1016/j.jallcom.2019.153352 |
| 通讯作者 | Han, E-H(ehhan@imr.ac.cn) |
| 英文摘要 | A combination of good mechanical properties, excellent corrosion resistance and superior irradiation resistance made high-entropy alloys (HEAs) as promising nuclear materials. In this work, the Mo0.5VNbTiCrx (x = 0-2.0) HEAs containing elements with low thermal neutron absorption crosssections were designed and prepared. The alloys were produced by vacuum arc melting, followed by hot isostatic pressing at 1200 degrees C and 150 MPa for 2 h and annealing at 1200 degrees C for 72 h. The crystal structure, microstructure, hardness, and mechanical properties of the annealed alloys were investigated. The corrosion resistance in superheated steam was also preliminarily studied. When 0 <= x <= 0.75, the alloys consist of one body-centered cubic (BCC) phase. When 1.0 <= x <= 2.0, the alloys are composed of one BCC phase, one C15 Laves phase, and another face-centered cubic (FCC) phase. The effect of Cr content on the phase formation is discussed. The hardness and yield strength increase substantially with increasing Cr content, which could be attributed to the solid-solution-like strengthening. Moreover, the addition of Cr improves the anti-corrosion properties in superheated steam and the studied alloys exhibit better corrosion resistance than a currently used Zr-4 alloy. The Mo0.5VNbTi and Mo0.5VNbTiCr0.25 alloys exhibit the promising potential to be used as nuclear materials, as they show a good combination of mechanical properties and corrosion resistance. (C) 2019 Elsevier B.V. All rights reserved. |
| 资助项目 | Key Program of the Chinese Academy of Sciences[ZDRW-CN-2017-1] |
| WOS研究方向 | Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| 出版者 | ELSEVIER SCIENCE SA |
| WOS记录号 | WOS:000506166900040 |
| 资助机构 | Key Program of the Chinese Academy of Sciences |
| 源URL | [http://ir.imr.ac.cn/handle/321006/136378]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Han, E-H |
| 作者单位 | 1.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China 2.Northeastern Univ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, Minist Educ, Shenyang 110819, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 4.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xiang, C.,Fu, H. M.,Zhang, Z. M.,et al. Effect of Cr content on microstructure and properties of Mo0.5VNbTiCrx high-entropy alloys[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2020,818:12. |
| APA | Xiang, C..,Fu, H. M..,Zhang, Z. M..,Han, E-H.,Zhang, H. F..,...&Hu, G. D..(2020).Effect of Cr content on microstructure and properties of Mo0.5VNbTiCrx high-entropy alloys.JOURNAL OF ALLOYS AND COMPOUNDS,818,12. |
| MLA | Xiang, C.,et al."Effect of Cr content on microstructure and properties of Mo0.5VNbTiCrx high-entropy alloys".JOURNAL OF ALLOYS AND COMPOUNDS 818(2020):12. |
入库方式： OAI收割
来源：金属研究所
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