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The influence of rare earth element lanthanum on the microstructures and properties of as-cast 8176 (Al-0.5Fe) aluminum alloy
Jiang, Hongxiang1,2; Li, Shixin1,2; Zhang, Lili1; He, Jie1; Zheng, Qiuju1,2; Song, Yan1,2; Li, Yanqiang1,2; Zhao, Jiuzhou1,2
Corresponding AuthorJiang, Hongxiang(hxjiang@imr.ac.cn) ; Zhao, Jiuzhou(jzzhao@imr.ac.cn)
2021-04-05
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume859Pages:9
AbstractThe effects of rare earth element on the microstructures, tensile properties and electrical properties of aluminum alloys have brought about widespread interesting in the last few decades. However, contradictory results are usually reported, and there is little research concerning the effect law of trace lanthanum (the addition is below 0.1 wt%) on the as-cast microstructures, electrical conductivity and the tensile properties of 8176 aluminum alloy which is one of the most widely used aluminum conductor alloy. In this work, solidification experiments were performed with 8176 aluminum alloy and the effects of lanthanum addition was investigated. The results demonstrated that the lanthanum addition can promote the refinement of the alpha Al grains, the modification of Al13Fe4 intermetallic phase. The elongation and electrical conductivity simultaneously enhance with lanthanum addition when the additive amount is less than 0.08%, while the elongation decreases when the additive amount reaches to 0.1% due to the formation of intermetallic phase. The enhancement of the elongation is mainly ascribed to the modification of Al13Fe4 intermetallic phase, the enhancement of the electrical conductivity is attributed to the reduction of solid solubility of Si and Fe elements in Al matrix. These results indicate that the addition of micro-alloying element lanthanum is a prospective method for simultaneously elevating the electrical conductivity and tensile properties of the 8176 aluminum alloy. (C) 2020 Elsevier B.V. All rights reserved.
KeywordMetals and alloys Trace lanthanum addition Microstructure Electrical properties Mechanical properties
Funding OrganizationChinese Academy of Sciences Strategic Priority Programon Space Science ; Natural Science Foundation of Liaoning Province ; National Natural Science Foundation of China ; Science and Technology Project of Fujian Province ; Science and Technology Project of the Headquarters of SGCC
DOI10.1016/j.jallcom.2020.157804
Indexed BySCI
Language英语
Funding ProjectChinese Academy of Sciences Strategic Priority Programon Space Science[XDA15013800] ; Natural Science Foundation of Liaoning Province[2020-MS-005] ; National Natural Science Foundation of China[51971227] ; National Natural Science Foundation of China[51771210] ; National Natural Science Foundation of China[51774264] ; Science and Technology Project of Fujian Province[2018T3001] ; Science and Technology Project of the Headquarters of SGCC[5500-201924129A-0-0-00]
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000614114500053
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/160808
Collection中国科学院金属研究所
Corresponding AuthorJiang, Hongxiang; Zhao, Jiuzhou
Affiliation1.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Hongxiang,Li, Shixin,Zhang, Lili,et al. The influence of rare earth element lanthanum on the microstructures and properties of as-cast 8176 (Al-0.5Fe) aluminum alloy[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2021,859:9.
APA Jiang, Hongxiang.,Li, Shixin.,Zhang, Lili.,He, Jie.,Zheng, Qiuju.,...&Zhao, Jiuzhou.(2021).The influence of rare earth element lanthanum on the microstructures and properties of as-cast 8176 (Al-0.5Fe) aluminum alloy.JOURNAL OF ALLOYS AND COMPOUNDS,859,9.
MLA Jiang, Hongxiang,et al."The influence of rare earth element lanthanum on the microstructures and properties of as-cast 8176 (Al-0.5Fe) aluminum alloy".JOURNAL OF ALLOYS AND COMPOUNDS 859(2021):9.
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