| Issue |
MATEC Web Conf.
Volume 204, 2018
International Mechanical and Industrial Engineering Conference 2018 (IMIEC 2018)
|
|
|---|---|---|
| Article Number | 05003 | |
| Number of page(s) | 7 | |
| Section | Material | |
| DOI | https://doi.org/10.1051/matecconf/201820405003 | |
| Published online | 21 September 2018 | |
Mechanical and physical properties of aluminium-silicon (Al-Si) casting alloys reinforced by Zinc Oxide (ZnO)
1
Department of Mechanical Engineering, Faculty of Engineering, State University of Malang, 65145 Malang, Indonesia
2
Center of Advanced Materials, State University of Malang, 65145 Malang, Indonesia
3
Department of Mechanical Engineering, Bachelor Program, State University of Malang, 65145 Malang, Indonesia
4
Department of Mechanical Engineering, Postgraduate Program, State University of Malang, 65145 Malang, Indonesia
*
Corresponding author: poppy@um.ac.id
This study aimed to enhance the properties of aluminium-silicon (Al-Si) alloys by adding zinc oxide as a reinforcing material. This study was a type of pre-experimental design called the one-shot case study, in which sample groups subjects were given treatments and then observed. The steps included melting the aluminium-silicon in a furnace at 900° C, adding a certain amount of zinc oxide (0.05%, 0.1%, or 0.2%), stirring the mixture for 1 minute, and pouring it into a permanent mould. Results showed that, among the three specimens, the specimen reinforced with 0.2% zinc oxide had the highest tensile strength of 23.9 kg/mm2, the greatest hardness of 134.4 HV, and a flat surface with evenly distributed grains and more brittle fracture.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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