The TiRO™ Process for the Continuous Direct Production of Titanium Powder

Christian Doblin; David Freeman; Matthew Richards

doi:10.4028/www.scientific.net/KEM.551.37

Paper Titles

There is Low Cost Titanium Componentry Today
p.11

Development of a Continuous Process to Produce Ti via Metallothermic Reduction of TiCl₄ in Molten Salt
p.16

Behavior of Intermediate CaTiO₃ in Reduction Process of TiO₂ by Calcium Vapor
p.25

The Production of Titanium Alloy Powder
p.32

The TiRO™ Process for the Continuous Direct Production of Titanium Powder
p.37

Factors Affecting the Separation of Ti-Al Alloy in the TiPro Process
p.44

Processing of Titanium Powder into Consolidated Parts & Sheet
p.57

Effect of Powder Compact Holding Time on the Microstructure and Properties of Ti-6Al-4V Alloy Produced by Powder Compact Extrusion of a Powder Mixture of HDH Titanium and Al-V Master Alloy
p.67

Consolidation of Blended Titanium/Magnesium Powders by Microwave Processing
p.73

HomeKey Engineering MaterialsKey Engineering Materials Vol. 551The TiRO™ Process for the Continuous Direct...

The TiRO™ Process for the Continuous Direct Production of Titanium Powder

Abstract:

The CSIRO is developing the TIRO™ process for the continuous direct production of titanium powder. The process comprises two stages. The first stage is a fluidised bed reactor (FBR) in which TiCl4 is reacted with magnesium powder to form solid magnesium chloride particles about 350 µm in diameter in which micron sized titanium particles are dispersed. The second stage is a continuous vacuum distillation operation where the titanium is separated from the magnesium chloride and sintered to form a friable “biscuit”. The biscuit comprises porous titanium spheres about 250 µm in diameter which can be liberated by very light grinding. The overall process has a throughput of 0.2 kg/h Ti, limited by the vacuum distillation unit and is being scaled up. The process has generated Ti powder with ≤0.25 wt% O and < 200 ppm Cl and meets CP2 specifications. Ring grinding the vacuum distilled product for short periods reduced the particle size, however longer grinding times caused agglomeration of the particles. Ring grinding in air resulted in a large increase in oxygen concentration

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Periodical:

Key Engineering Materials (Volume 551)

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37-43

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https://doi.org/10.4028/www.scientific.net/KEM.551.37

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Online since:

May 2013

Authors:

Christian Doblin, David Freeman, Matthew Richards

Keywords:

Powder, Ring Grinding, TiRO™ Process, Titanium

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References

[1] C. Doblin and G.A. Wellwood, TiRO™ - the development of a new process to produce titanium, Chemeca 2007; 23-26 September 2007; Melbourne, Victoria, Australia. (2007), 280-286.

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DOI: 10.4028/www.scientific.net/kem.520.95

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