| Issue |
MATEC Web Conf.
Volume 388, 2023
2023 RAPDASA-RobMech-PRASA-AMI Conference Advanced Manufacturing Beyond Borders - The 24th Annual International RAPDASA Conference joined by RobMech, PRASA and AMI, hosted by CSIR and CUT
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| Article Number | 03012 | |
| Number of page(s) | 6 | |
| Section | Material Development | |
| DOI | https://doi.org/10.1051/matecconf/202338803012 | |
| Published online | 15 December 2023 | |
Investigating the mechanical properties of A356 (Sr doped) using mechanical stirring
1. Council of Scientific Industrial Research, Materials Science and Manufacturing, Light metals, Meiring Naude Road, P O Box 395 Pretoria, South Africa
2. Department of Material Science and Metallurgical Engineering, Faculty of Engineering, Built Environment and Information Technology, University of Pretoria, South Africa
The Aluminium alloy A356 alloy is primarilyusually used for automobile and aerospace components owing to its high strength to weight ratio, and its relatively good corrosion resistance. The effectiveness of the economical stir casting method was investigated by adding the strontium (Sr) metal uniformly to aid in the modification of the alloy’s eutectic morphology for improved mechanical properties. The addition of ̴0.63 wt% Sr addition resulted into grain refinement which improved the mechanical properties whereby the ultimate tensile strength (UTS) increased from 200 MPa to 250 MPa, Yield strength increased from 85 MPa to 100 MPa and the microhardness was increased from 74.94 Hv to 87.10 Hv.
© The Authors, published by EDP Sciences, 2023
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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