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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 Ám 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

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A systematic experimental investigation of the planar-to-wavy slip transition in model Ti-O alloys
Aeration leaching process for producing synthetic rutile in a novel gas-liquid-solid reactor
Calciothermic synthesis of fine, hydrogenated Ti- and Ti-Nb-powder
Cost-effective PM Ti compositions and processing
Deoxidation of TiAl alloy scrap with metallic yttrium and calcium fluoride slag
Direct fabrication of strong and ductile Ti-6Al-4V alloy by hot pressing of the machining swarf
Effect of sintering temperature on tribological behaviour of Ti-Ni alloy for biomedical applications
Electrodeposition of Titanium Aluminide (TiAl) alloy from AlCl3-BMIC Ionic Liquid at Low Temperature
Electroplastic Effects in a Dilute Ti-Al Alloy
FAST STEP 3 - Titanium Swarf to Engine Parts in 3 Steps
High strength and ductility titanium materials with cheap alloying elements fabricated by powder metallurg
Influence of substitution of V with Mn on heat treatment behavior in Ti-Mn-V-Al alloys
Low-cost titanium extraction process: molten salt electrolysis with titanium oxycarbide (TiCxO1-x) as soluble anode
Low temperature synthesize of TiH2 powder from TiCl4 reduction with MgH2 powder
Machine Learning Assisted Discovery of Affordable Biomedical Ti Alloy
Making Affordable Titanium Alloy with Wrought-Like Mechanical Properties from Sintering Low-Cost Titanium Powder
Powder metallurgy fabrication, microstructures and tensile mechanical properties of low cost and high performance Ti and Ti-6Al-4V alloy parts and structural members
Preparation of Ti-6Al-4V Alloy Powder by Aluminothermic Reduction
Production of fine titanium and titanium alloy powders by the shuttle of disproportionation reaction in molten salt
Refinement of PEG/PMMA binder systems for metal injection moulding of titanium

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