A novel modifier on the microstructure and mechanical properties of Al-7Si alloys
Li, Qinglin1,2; Zhao, Shang1,2; Li, Binqiang1,2; Zhu, Yuqian1,2; Wang, Chuangzao1,2; Lan, Yefeng1,2; Xia, Tiandong1,2
2019-09-15
发表期刊MATERIALS LETTERS
ISSN0167-577X
卷号251页码:156-160
摘要In this work, the AlCoCrFeNiTi high-entropy alloy (HEA) was prepared as an inoculant to refine the alpha-Al and silicon phases in Al-7Si alloy. The modification mechanism and the existing form of HEA in Al-7Si alloy were studied. The results show that Fe-rich intermetallics including Al, Si, Co, Fe and Ni, precipitated when the 0.2% AlCoCrFeNiTi HEA was added into Al-7Si alloy. In addition, the elements of Ti and Cr uniformly distributed within Al-7Si alloy. The morphology of the eutectic silicon changed from long needle structure to short rod and granular structure. Moreover, the size of alpha-Al grains significantly decreased in Al-7Si-0.2HEA alloy. The mechanical properties of Al-7Si alloy significantly improved. (C) 2019 Elsevier B.V. All rights reserved.
关键词High-entropy alloy Fe-rich intermetallics Eutectic silicon alpha-Al phases Solidification Metals and alloys
DOI10.1016/j.matlet.2019.05.050
收录类别SCI ; SCIE
语种英语
资助项目National Natural Science Foundation of China[51561021]
WOS研究方向Materials Science ; Physics
WOS类目Materials Science, Multidisciplinary ; Physics, Applied
WOS记录号WOS:000470667900038
出版者ELSEVIER SCIENCE BV
EI入藏号20192106945474
EI主题词Aluminum alloys
EI分类号531.1 Metallurgy - 531.2 Metallography - 541.2 Aluminum Alloys - 545.2 Iron Alloys - 549.3 Nonferrous Metals and Alloys excluding Alkali and Alkaline Earth Metals - 641.1 Thermodynamics - 802.3 Chemical Operations - 951 Materials Science
引用统计
被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://ir.lut.edu.cn/handle/2XXMBERH/31568
专题省部共建有色金属先进加工与再利用国家重点实验室
材料科学与工程学院
通讯作者Li, Qinglin
作者单位1.Lanzhou Univ Technol, Sch Mat Sci & Engn, Lanzhou 730050, Gansu, Peoples R China;
2.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Gansu, Peoples R China
第一作者单位材料科学与工程学院;  省部共建有色金属先进加工与再利用国家重点实验室
通讯作者单位材料科学与工程学院;  省部共建有色金属先进加工与再利用国家重点实验室
第一作者的第一单位材料科学与工程学院
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GB/T 7714
Li, Qinglin,Zhao, Shang,Li, Binqiang,et al. A novel modifier on the microstructure and mechanical properties of Al-7Si alloys[J]. MATERIALS LETTERS,2019,251:156-160.
APA Li, Qinglin.,Zhao, Shang.,Li, Binqiang.,Zhu, Yuqian.,Wang, Chuangzao.,...&Xia, Tiandong.(2019).A novel modifier on the microstructure and mechanical properties of Al-7Si alloys.MATERIALS LETTERS,251,156-160.
MLA Li, Qinglin,et al."A novel modifier on the microstructure and mechanical properties of Al-7Si alloys".MATERIALS LETTERS 251(2019):156-160.
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