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Characterization and Sintering of Armstrong Process Titanium Powder

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Abstract

Titanium and titanium alloys have a high strength to weight ratio and good corrosion resistance but also need longer time and have a higher cost on machining. Powder metallurgy offers a viable approach to produce near net-shape complex components with little or no machining. The Armstrong titanium powders are produced by direct reduction of TiCl4 vapor with liquid sodium, a process which has a relatively low cost. This paper presents a systematic research on powder characterization, mechanical properties, and sintering behavior and of Armstrong process powder metallurgy, and also discusses the sodium issue, and the advantages and disadvantages of Armstrong process powders.

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Acknowledgements

We would like to acknowledge the financial support provided by Cristal Metal Inc. and Thermal Processing Technology Center in USA. We also would like to acknowledge Honeywell for supplying the titanium powder for our research.

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Correspondence to Xiaoyan Xu.

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Xu, X., Nash, P. & Mangabhai, D. Characterization and Sintering of Armstrong Process Titanium Powder. JOM 69, 770–775 (2017). https://doi.org/10.1007/s11837-016-2238-x

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  • DOI: https://doi.org/10.1007/s11837-016-2238-x

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