| Effect of reaction routes on the porosity and permeability of porous high entropy (Y0.2Yb0.2Sm0.2Nd0.2Eu0.2)B-6 for transpiration cooling | |
| Chen, Heng1,2; Zhao, Zifan2; Xiang, Huimin2; Dai, Fu-Zhi2; Zhang, Jie3; Wang, Shaogang3; Liu, Jiachen1; Zhou, Yanchun2 | |
| Corresponding Author | Zhou, Yanchun(yczhou@imr.ac.cn) |
| 2020-02-01 | |
| Source Publication | JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
 |
| ISSN | 1005-0302 |
| Volume | 38Pages:80-85 |
| Abstract | Transpiration cooling technique is a reusable and high-efficiency thermal protection system (TPS), which is potential to improve the reusability and security of re-entry space vehicle. Relatively low density, high permeability and high porosity are general requirements for porous media of transpiration cooling systems. In this work, a new porous high entropy metal hexaboride (Y0.2Yb0.2Sm0.2Nd0.2Eu0.2)B-6 is designed and prepared by the in-situ reaction/partial sintering method. Two reaction routes are designed to synthesize (Y0.2Yb0.2Sm0.2Nd0.2Eu0.2)B-6, including boron thermal reduction and borocarbon thermal reduction. The as-prepared porous HE (Y0.2Yb0.2Sm0.2Nd0.2Eu0.2)B-6 ceramics possess homogeneous microstructure and exhibit low density, high porosity, high compressive strength and high permeability. The combination of these properties makes porous HE (Y0.2Yb0.2Sm0.2Nd0.2Eu0.2)B-6 promising as a candidate porous media for various transpiration cooling applications. (C) 2019 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology. |
| Keyword | High entropy ceramics (Y0.2Yb0.2Sm0.2Nd0.2Eu0.2)B-6 Transpiration cooling Porous UHTCs In-situ reaction synthesis |
| Funding Organization | National Natural Science Foundation of China |
| DOI | 10.1016/j.jmst.2019.09.006 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China[51672064] ; National Natural Science Foundation of China[U1435206] |
| WOS Research Area | Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| WOS ID | WOS:000503164100010 |
| Publisher | JOURNAL MATER SCI TECHNOL |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/136572 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Zhou, Yanchun |
| Affiliation | 1.Tianjin Univ, Sch Mat Sci & Engn, Minist Educ, Key Lab Adv Ceram & Machining Technol, Tianjin 300072, Peoples R China 2.Aerosp Res Inst Mat & Proc Technol, Sci & Technol Adv Funct Composite Lab, Beijing 100076, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China |
| Recommended Citation GB/T 7714 | Chen, Heng,Zhao, Zifan,Xiang, Huimin,et al. Effect of reaction routes on the porosity and permeability of porous high entropy (Y0.2Yb0.2Sm0.2Nd0.2Eu0.2)B-6 for transpiration cooling[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2020,38:80-85. |
| APA | Chen, Heng.,Zhao, Zifan.,Xiang, Huimin.,Dai, Fu-Zhi.,Zhang, Jie.,...&Zhou, Yanchun.(2020).Effect of reaction routes on the porosity and permeability of porous high entropy (Y0.2Yb0.2Sm0.2Nd0.2Eu0.2)B-6 for transpiration cooling.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,38,80-85. |
| MLA | Chen, Heng,et al."Effect of reaction routes on the porosity and permeability of porous high entropy (Y0.2Yb0.2Sm0.2Nd0.2Eu0.2)B-6 for transpiration cooling".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 38(2020):80-85. |
| Files in This Item: | There are no files associated with this item. | |||||
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment