Grain Refinement of Al-5Ti-0.62C-0.2Nd Grain Refiner for Commercial Pure Aluminum and Its Effect on Mechanical Properties | |
Ding, Wanwu1,2; Li, Changfeng1,2; Chen, Taili1,2; Zhao, Wenjun1,2; Guo, Tingbiao1,2; Qiao, Jisen1,2; Xia, Tiandong1,2 | |
刊名 | MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS |
2019 | |
卷号 | 22期号:1 |
关键词 | commercial pure aluminum Al-5Ti-0.62C-0.2Nd grain refiner grain refinement mechanical properties |
ISSN号 | 1516-1439 |
DOI | 10.1590/1980-5373-MR-2018-0302 |
英文摘要 | It is well known that the mechanical properties of commercial pure Al are influenced by size of alpha-Al dendrites. In the present work, Al-5Ti-0.62C-0.2Nd grain refiner was prepared by a pure molten aluminum thermal explosion reaction, and its effect on grain refinement and mechanical properties of commercial pure Al was investigated. Microstructure and phase composition show that Al-5Ti0.62C-0.2Nd grain refiner consists of alpha-Al, granular TiC, lump-like TiAl3, and block-like Ti2Al20 Nd. Grain-refining tests on commercial pure Al show that an Al-5Ti-0.62C-0.2Nd grain refiner has better refining performance compared with Al-5Ti-0.62C grain refiner. With addition of 0.2-wt.%-Al-5Ti0.62C-0.2Nd grain refiner, the average grain size of commercial pure Al can be refined from roughly 2800 to 155 +/- 5 mu m effectively, and it has higher resistance to grain-refinement fading. On account of the grain refinement, the tensile strength and elongation are increased by approximately 18.3% and 83.5%, respectively. |
资助项目 | National Natural Science Foundation of China[51661021][51665033] ; Natural Science Foundation of Gansu Province in China[1606RJZA161] ; Gansu key research and development program[18YF1GA061] |
WOS研究方向 | Materials Science |
语种 | 英语 |
出版者 | UNIV FED SAO CARLOS, DEPT ENGENHARIA MATERIALS |
WOS记录号 | WOS:000452762300001 |
状态 | 已发表 |
内容类型 | 期刊论文 |
源URL | [http://119.78.100.223/handle/2XXMBERH/36027] |
专题 | 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 | Ding, Wanwu |
作者单位 | 1.State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Gansu, Peoples R China 2.Lanzhou Univ Technol, Sch Mat Sci & Engn, Lanzhou 730050, Gansu, Peoples R China |
推荐引用方式 GB/T 7714 | Ding, Wanwu,Li, Changfeng,Chen, Taili,et al. Grain Refinement of Al-5Ti-0.62C-0.2Nd Grain Refiner for Commercial Pure Aluminum and Its Effect on Mechanical Properties[J]. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS,2019,22(1). |
APA | Ding, Wanwu.,Li, Changfeng.,Chen, Taili.,Zhao, Wenjun.,Guo, Tingbiao.,...&Xia, Tiandong.(2019).Grain Refinement of Al-5Ti-0.62C-0.2Nd Grain Refiner for Commercial Pure Aluminum and Its Effect on Mechanical Properties.MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS,22(1). |
MLA | Ding, Wanwu,et al."Grain Refinement of Al-5Ti-0.62C-0.2Nd Grain Refiner for Commercial Pure Aluminum and Its Effect on Mechanical Properties".MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS 22.1(2019). |
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