| Issue |
MATEC Web Conf.
Volume 204, 2018
International Mechanical and Industrial Engineering Conference 2018 (IMIEC 2018)
|
|
|---|---|---|
| Article Number | 05008 | |
| Number of page(s) | 6 | |
| Section | Material | |
| DOI | https://doi.org/10.1051/matecconf/201820405008 | |
| Published online | 21 September 2018 | |
Analyze the effect of phosphorus on the mechanical properties and microstructure on cast iron
Bandung State Polytechnic for Manufacturing, 40135 Bandung, Indonesia
*
Corresponding author: sambas.achmad@gmail.com
Cast Iron FC250 with phosphorus alloy is used as electrode connector in the aluminum electrolysis process at PT. Indonesia Asahan Aluminium (Inalum), that is used to connect the rod with carbon anode. It will be crushed after the carbon anode dimension is reduced, that takes approximately 30 days. In order to make crushing process easier, phosphorus alloy then added into such FC250. The objective of the study is determining phosphorus effect on FC 250. The methodology consists of determine the test specimens, initiate such specimen of casting by varying the amount of phosphorus percentage of 0.3%, 0.5%, 0.7% and 0.9%, then perform mechanical testing and microstructure observation on each specimen. The result is, as the percentage of phosphorus in FC 250 increased, so its hardness value whereas the value of the tensile strength even decreased. Form the microstructure point of view, the “steadit” increased as well in line with the rise of phosphorus.
© 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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