| Issue |
MATEC Web Conf.
Volume 406, 2024
2024 RAPDASA-RobMech-PRASA-AMI Conference: Unlocking Advanced Manufacturing - The 25th Annual International RAPDASA Conference, joined by RobMech, PRASA and AMI, hosted by Stellenbosch University and Nelson Mandela University
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| Article Number | 07015 | |
| Number of page(s) | 12 | |
| Section | AM Material and Part Characterisation | |
| DOI | https://doi.org/10.1051/matecconf/202440607015 | |
| Published online | 09 December 2024 | |
Effect of processing parameters on microstructure of additively manufactured α+β titanium alloys
1 Centre for Materials Engineering, Department of Mechanical Engineering, University of Cape Town, South Africa
2 Centre for High Resolution Transmission Electron Microscopy, Department of Physics, Nelson Mandela University, South Africa
* Corresponding author: mqnnnon004@myuct.ac.za
The effect of processing parameters on the microstructure was investigated on three α+β alloys, namely Ti6Al4V (Ti64), Ti6Al2Sn4Zr6Mo (Ti6246) and Ti6.5Al3.5Mo1.5Zr0.3Si (TC11) fabricated by laser powder bed fusion (LPBF). Electron Backscattered Diffraction (EBSD) was used to identify microstructural characteristics, including prior beta grains (PBGs) structure, hierarchical lath morphology and orientation. Acicular martensitic (α’) laths form within the PBGs following a crystallographic relationship. The martensite displays a hierarchical structure.
© The Authors, published by EDP Sciences, 2024
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