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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 AuthorWang, Q. Z.(qzhwang@imr.ac.cn) ; Ma, Z. Y.(zyma@imr.ac.cn)
2020-02-15
Source PublicationCOMPOSITES PART B-ENGINEERING
ISSN1359-8368
Volume183Pages:11
AbstractAiming 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.
KeywordMetal-matrix composites Neutron absorbing materials Lamellar structure Mechanical properties High-temperature strength
Funding OrganizationNational Natural Science Foundation of China ; Youth Innovation Promotion Association CAS ; National Key R&D Program of China
DOI10.1016/j.compositesb.2019.107674
Indexed BySCI
Language英语
Funding ProjectNational 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 AreaEngineering ; Materials Science
WOS SubjectEngineering, Multidisciplinary ; Materials Science, Composites
WOS IDWOS:000513295300004
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/137576
Collection中国科学院金属研究所
Corresponding AuthorWang, Q. Z.; Ma, Z. Y.
Affiliation1.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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