| Issue |
MATEC Web Conf.
Volume 326, 2020
The 17th International Conference on Aluminium Alloys 2020 (ICAA17)
|
|
|---|---|---|
| Article Number | 09001 | |
| Number of page(s) | 5 | |
| Section | Advanced Characterization | |
| DOI | https://doi.org/10.1051/matecconf/202032609001 | |
| Published online | 05 November 2020 | |
Mechanical and Spectroscopic Characterization of Solute Elements in Aluminum
Research Center for Structural Materials, National Institute for Materials Science, Tsukuba, 305-0047 Japan
* Corresponding author: II.Seiichiro@nims.go.jp
We characterized the distribution of minor elements such as Si and Fe in Al utilizing a nanoindentation and electron microscopy with an energy dispersed X-ray spectroscopy (EDS) system. Nanoindentation can detect the dislocation nucleation known as “pop-in” event, the critical load (Pc) depends on the solute amount of Fe. However, that in Si-doped Al is rarely changed up to 1.0 at% of Si. That independent Pc in Al-Si is caused by the inhomogeneity of the Si, which is the grain boundary segregation, in Al. The grain boundary segregation of Si was clearly detected by using a newly developed microcalorimeter type EDS system, even at the 0.1 at% Si.
© The Authors, published by EDP Sciences, 2020
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