| Issue |
E3S Web Conf.
Volume 543, 2024
International Process Metallurgy Conference (IPMC 2023)
|
|
|---|---|---|
| Article Number | 03005 | |
| Number of page(s) | 8 | |
| Section | Physical Metallurgy and Corrosion | |
| DOI | https://doi.org/10.1051/e3sconf/202454303005 | |
| Published online | 03 July 2024 | |
Texture Evolution of Bainitic Steels Processed from Nickel Lateritic Ores: A Neutron-Diffraction Investigation
1 Research Center for Advanced Materials – National Research and Innovation Agency – KST B. J. Habibie Puspiptek, Tangerang Selatan 15314, Banten, Indonesia
2 Research Center for Radiation Detection and Nuclear Analysis Tech-nology – National Research and Innovation Agency – KST B. J. Habibie Puspiptek, Tangerang Selatan 15314, Banten, Indonesia
3 Research Center for Metallurgy – National Research and Innovation Agency – KST B. J. Habibie Puspiptek, Tangerang Selatan 15314, Banten, Indonesia
* Corresponding author: andi010@brin.go.id
This study investigated the texture evolution of bainitic steel samples processed from lateritic nickel ores with varying heat treatment times. The samples were austenitized, air-cooled, and subjected to bainitic heat treatment at 532°C for 15 and 30 minutes. Scanning electron microscopy (SEM) analysis revealed that the sample treated at 532°C for 15 minutes, developed bainitic plates within the austenitic matrix due to the relatively rapid air cooling. Conversely, the sample, heat-treated at 532°C for 30 minutes, exhibited a combination of bainitic and pearlitic microstructures. Neutron diffraction analysis using software showed moderate-to-weak textures in both samples, indicating dislocation polygonization resulting from prolonged heat treatment. The results suggest that further research is needed to investigate the texture evolution of bainitic steels from nickel lateritic ores after plastic deformation. This work contributes to understanding the microstructural characteristics of bainitic steel derived from nickel lateritic ores, which may have significant implications for the production and application of these steels in the future.
© The Authors, published by EDP Sciences, 2024
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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