| Enhancing high-temperature strength of (B4C+Al2O3)/Al designed for neutron absorbing materials by constructing lamellar structure | |
| Zan, Y. N.1,3; Zhou, Y. T.1; Zhao, H.1; Liu, Z. Y.1; Wang, Q. Z.2; Wang, D.1; Wang, W. G.1; Xiao, B. L.1; Ma, Z. Y.1 | |
| Corresponding Author | Wang, Q. Z.(qzhwang@imr.ac.cn) ; Ma, Z. Y.(zyma@imr.ac.cn) |
| 2020-02-15 | |
| Source Publication | COMPOSITES PART B-ENGINEERING
 |
| ISSN | 1359-8368 |
| Volume | 183Pages:11 |
| Abstract | Aiming at developing new generation of high-temperature neutron absorbing materials for both structural and functional usages, (B4C + Al2O3)/Al composites were fabricated. Hot forging and extruding were carried out to adjust the microstructures of the composites. The forged samples exhibited a lamellar structure with Al2O3 staying at the grain boundaries. In the extruded sample, most Al2O3 entered into the interior of ultrafine-grains. Different strengthening effects of intergranular and intragranular Al2O3 at room and high temperatures were studied. It was verified that Al2O3 distributed at the grain boundaries was more beneficial to enhance the high-temperature strength by strengthening the grain boundaries and preventing dislocations from annihilating, therefore the forged samples were much stronger than the extruded sample at 375 degrees C. The sample forged with a height reduction ratio of 8:1 showed an ultimate strength of 342 MPa at room temperature and an ultimate strength of 96 MPa at 375 degrees C. |
| Keyword | Metal-matrix composites Neutron absorbing materials Lamellar structure Mechanical properties High-temperature strength |
| Funding Organization | National Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; National Key R&D Program of China |
| DOI | 10.1016/j.compositesb.2019.107674 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China[U1508216] ; National Natural Science Foundation of China[51771194] ; Youth Innovation Promotion Association CAS[2016179] ; National Key R&D Program of China[2017YFB0703104] |
| WOS Research Area | Engineering ; Materials Science |
| WOS Subject | Engineering, Multidisciplinary ; Materials Science, Composites |
| WOS ID | WOS:000513295300004 |
| Publisher | ELSEVIER SCI LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/137579 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Wang, Q. Z.; Ma, Z. Y. |
| Affiliation | 1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China 2.Chinese Acad Sci, Key Lab Nucl Mat & Safety Assessment, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China 3.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Peoples R China |
| Recommended Citation GB/T 7714 | Zan, Y. N.,Zhou, Y. T.,Zhao, H.,et al. Enhancing high-temperature strength of (B4C+Al2O3)/Al designed for neutron absorbing materials by constructing lamellar structure[J]. COMPOSITES PART B-ENGINEERING,2020,183:11. |
| APA | Zan, Y. N..,Zhou, Y. T..,Zhao, H..,Liu, Z. Y..,Wang, Q. Z..,...&Ma, Z. Y..(2020).Enhancing high-temperature strength of (B4C+Al2O3)/Al designed for neutron absorbing materials by constructing lamellar structure.COMPOSITES PART B-ENGINEERING,183,11. |
| MLA | Zan, Y. N.,et al."Enhancing high-temperature strength of (B4C+Al2O3)/Al designed for neutron absorbing materials by constructing lamellar structure".COMPOSITES PART B-ENGINEERING 183(2020):11. |
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