| About this Abstract |
| Meeting |
2020 TMS Annual Meeting & Exhibition
|
| Symposium
|
Low-cost Titanium: 'Affordable Ti'
|
| Presentation Title |
Calciothermic Synthesis of Fine, Hydrogenated Ti- and Ti-Nb-powder |
| Author(s) |
Inge Lindemann, Patrick Langhelm, Margitta Uhlemann, Annett Gebert |
| On-Site Speaker (Planned) |
Inge Lindemann |
| Abstract Scope |
Titanium and its alloys show extraordinary properties but usage is still limited owing to the high cost of the material and demanding processing. Near-net shape processes have promising potential for substantial savings but powder is additionally expensive due to titanium’s high oxygen affinity. Therefore we elucidate an alternative pathway to synthesize hydrogenated Ti- and Ti-Nb-powder by calciothermic low temperature reduction. Especially synthesis of fine powder with particle sizes < 45 µm is interesting because it is only a small fraction after conventional gas atomisation. HDH Ti powder can be produced easily in small size but morphology is angular. Hydrogenated Ti and Ti-Nb powder is made reducing their oxides TiO2 and Nb2O5 with CaH2 in H2 atmosphere. Particle size and morphology can be tailored by size and morphology of the starting materials as well as the activation procedure. The project was funded by the DFG (LI 2536/1-1). |
| Proceedings Inclusion? |
Planned: Supplemental Proceedings volume |