| Issue |
MATEC Web Conf.
Volume 67, 2016
International Symposium on Materials Application and Engineering (SMAE 2016)
|
|
|---|---|---|
| Article Number | 05002 | |
| Number of page(s) | 6 | |
| Section | Chapter 5 Metallurgical Engineering | |
| DOI | https://doi.org/10.1051/matecconf/20166705002 | |
| Published online | 29 July 2016 | |
Influences of Silicon on Properties of Hard Drawn Aluminium Wire
1 State Grid Hebei Electric Power Research Institute, Shijiazhuang, 050021, China
2 School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beijing, 102206, China
3 National Thermal Power Engineering & Technology Research Center, Beijing, 102206, China
a xuxuexia2008@163.com
b 13503206410@163.com
c liudy@ncepu.edu.cn
d 15930172780@163.com
e wenbinli1975@126.com
f 252988432@qq.com
g libr@ncepu.edu.cn
* Corresponding author: xuxuexia2008@163.com
Influences of Si content on the tensile strength and electrical resistivity of hard drawn aluminium wire were studied in this paper. It showed that the electrical resistivity and tensile strength of the wire improved with the increase of Si content, and trace content of Si led to significant increase of the electrical resistivity. It was analyzed that Fe dissolved in the α(Al) matrix in form of supersaturated solid solution and its solid solubility was about 0.03%. Similarly Si dissolved in α(Al) in form of solid solution when its content was low, and with the content increased to certain content, redundant Si would precipitate as secondary phase transforming from AlFe binary compound to AlFeSi ternary intermetallic compound of α(Al12Fe3Si2) then β(Al9Fe2Si2) phase.
Key words: Silicon content / hard drawn aluminium wire / electrical resistivity / tensile strength / secondary phase
© The Authors, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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