Partial oxide reduction of Ti-6Al-4V fine and spherical powders by non-thermal argon-hydrogen microwave plasmas for additive manufacturing

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Through this new collaboration between UdeM and PyroGenesis Canada Inc., it is aimed to explore the potential of microwave argon plasmas at atmospheric pressure in presence of hydrogen for reduction of oxidized Ti-6Al-4V fine and spherical powders. More precisely, the two main objectives of this research are (i) to develop and characterize the fundamental properties of a new configuration of microwave argon plasmas at atmospheric pressure in presence of hydrogen specially intended for the processing of powders, (ii) to incorporate Ti-based powders in the microwave plasma and investigate their impact on the plasma properties and, conversely, of the plasma on the properties of Ti-based powders. The generation of such fundamental and applied knowledge is expected to play a crucial role in the development and optimization of advanced, plasma-assisted reduction processes of Ti-based powders that is strategically needed by PyroGenesis Canada Inc. to meet its current and future challenges in additive manufacturing. Additionally, since a postdoctoral fellow will work on a project of prime importance to the industry and in close collaboration with the industry, another very important outcome of this research is the training of HQP with skills and expertise directly relevant for several high-technology sectors.