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Characterization of In-Situ Alloyed and Additively Manufactured Titanium Aluminides

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Abstract

Titanium aluminide components were fabricated using in-situ alloying and layer additive manufacturing based on the gas tungsten arc welding process combined with separate wire feeding of titanium and aluminum elements. The new fabrication process promises significant time and cost saving in comparison to traditional methods. In the present study, issues such as processing parameters, microstructure, and properties are discussed. The results presented here demonstrate the potential to produce full density titanium aluminide components directly using the new technique.

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Acknowledgments

The authors gratefully acknowledge financial support from the China Scholarship Council (CSC), the University of Wollongong, and the Welding Technology Institute of Australia (WTIA).

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Authors and Affiliations

  1. Faculty of Engineering and Information Sciences, University of Wollongong, Northfields Avenue, Wollongong, NSW, 2522, Australia

    Yan Ma ( Ph.D. Candidate), Dominic Cuiuri (Senior Research Fellow), Nicholas Hoye (Ph.D. Candidate), Huijun Li (Associate Professor) & Zengxi Pan (Senior Research Fellow)

Authors
  1. Yan Ma
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  2. Dominic Cuiuri
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  3. Nicholas Hoye
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  4. Huijun Li
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  5. Zengxi Pan
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Corresponding author

Correspondence to Yan Ma.

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Manuscript submitted December 20, 2013.

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Ma, Y., Cuiuri, D., Hoye, N. et al. Characterization of In-Situ Alloyed and Additively Manufactured Titanium Aluminides. Metall Mater Trans B 45, 2299–2303 (2014). https://doi.org/10.1007/s11663-014-0144-6

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