| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Recent Advances in Titanium Science and Technology: MPMD/SMD Symposium Honoring Professor Dipankar Banerjee
|
| Presentation Title |
Titanium Alloys Modified with Boron |
| Author(s) |
Daniel B. Miracle, Sesh Tamirisakandala, Stéphane Gorsse |
| On-Site Speaker (Planned) |
Daniel B. Miracle |
| Abstract Scope |
Small boron additions have a profound influence on the microstructure and properties of titanium and its alloys. Additions that typically range from 1000-4000 mppm (0.1-0.4 wt%) are a potent grain refiner, producing an as-cast prior beta grain size that can be up to an order of magnitude smaller than that in the same alloy without boron. This has the potential to reduce cost and accelerate product delivery times by reducing or eliminating thermo-mechanical processing steps needed for ingot breakdown. Boron-modified titanium alloys can also be superplastically formed. Larger boron additions (1-7 wt%) produce a discontinuous metal matrix composite with a sufficient volume fraction of TiB particles (6-40%) to give important increases in strength and stiffness. In this tribute to the career of Dr. Dipankar Banerjee, the processing, microstructure and properties of boron-modified titanium alloys will be reviewed and summarized. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Titanium, Solidification, Composites |