| Issue |
MATEC Web Conf.
Volume 204, 2018
International Mechanical and Industrial Engineering Conference 2018 (IMIEC 2018)
|
|
|---|---|---|
| Article Number | 05007 | |
| Number of page(s) | 6 | |
| Section | Material | |
| DOI | https://doi.org/10.1051/matecconf/201820405007 | |
| Published online | 21 September 2018 | |
Microstructure and mechanical characteristics of hot forged lateritic steels
1
Research Center for Metallurgy and Materials - Indonesian Institute of Sciences, PUSPIPTEK, 15314 Banten, Indonesia
2
Department of Mechanical Engineering, Faculty of Engineering, Universitas Negeri Semarang, 50229 Semarang, Indonesia
*
Corresponding author: satrio.herbirowo@gmail.com
The current development of steel industry has constraints on the availability of raw materials, so we have developed local raw materials that are lateritic steels as a high potential for alternative manufacturing of steel. This research was conducted to understand the characteristics of lateritic steel through hot forging process by the mechanical and microstructure behaviour. The research methodology was chained by variety of preheating temperature of 800; 1000; 1200 °C and forging force from 0 until 1000 kilonewton. In case of hot forging values was obtained the impact and hardness properties also microstructure that compared with as-cast steels. The results of impact strength increased by 81.83% at the temperature of 1200 °C and the hardness increased by 4.99% at 1000 °C, for the microstructure analysis was produced the ferrite and pearlite phases with the fine grains. The chemical composition of steel is classified in low carbon steel included in lateritic steel it contains low alloy 1.78 Ni and 0.553 Cr %wt.
© 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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