| 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 | 01002 | |
| Number of page(s) | 8 | |
| Section | Design and Additive Manufacturing of Titanium and Platinum Group Metal Parts seminar | |
| DOI | https://doi.org/10.1051/matecconf/202338801002 | |
| Published online | 15 December 2023 | |
Structural and elastic properties of binary FCC Pt-Rh alloys – a first-principles study
1 Advanced Materials Discipline (AMD), MINTEK, South Africa
2 Centre for Rapid Prototyping and Manufacturing (CRPM), Faculty of Engineering, Built Environment and Information Technology, Central University of Technology, Free State, Bloemfontein, South Africa
3 Department of Mechanical and Mechatronics Engineering, Faculty of Engineering, Built Environment and Information Technology, Central University of Technology, Free State, Bloemfontein, South Africa
Alloying Pt with Rh significantly enhances the high temperature stress rupture strength and maintains both oxidation and corrosion resistance at elevated temperatures. Such unique property combination renders Pt-Rh alloys mainstay in space technology, glass and chemical industries. However, the exponential increase in the price of Rh in the past few years stirs an industrial concern. As a result, some industries are beginning to search for alternative alloys that can offer similar properties. This study conducted first-principles calculations to generate structural and elasticity data on binary Pt-Rh alloys using both supercell and virtual crystal approximation (VCA) approaches, to serve as a benchmark for new alternative Pt-based alloys.
© 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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