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International Conference on Applied Human Factors and Ergonomics

AHFE 2020: Advances in Manufacturing, Production Management and Process Control pp 78–85Cite as

Effects of Deposition Current on the Microstructure and Pseudoelasticity of Wire-Arc Additively Manufactured Ni-rich NiTi Alloys

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Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 1216))

Abstract

The evolution of microstructure, phase transformation, nanohardness, and pseudoelasticity of a Ni-rich NiTi alloy in-situ processed by wire arc additive manufacturing (WAAM) with different deposition current was assessed. As the deposition current increased, the size of the B2 grains and Ni4Ti3 precipitates coarsened and the characteristic phase transformation temperatures increased. Furthermore, by increasing the deposition current, the nanohardness decreased while the pseudoelastic recovery of the matrix improved to some extent. These findings can be used to further optimize the process of fabricating NiTi alloys by WAAM with acceptable microstructure and mechanical response.

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Acknowledgments

This work was financially supported by the China Scholarship Council (CSC) (201606080014), the University of Wollongong (UOW), and the UOW Electron Microscopy Centre (EMC).

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Authors and Affiliations

  1. School of Mechanical, Materials, Mechatronic and Biomedical Engineering, University of Wollongong, Wollongong, NSW, 2522, Australia

    Jun Wang, Zengxi Pan, Yangfan Wang, Kristin Carpenter & Huijun Li

Authors
  1. Jun Wang
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  2. Zengxi Pan
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  3. Yangfan Wang
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  4. Kristin Carpenter
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  5. Huijun Li
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Corresponding author

Correspondence to Jun Wang .

Editor information

Editors and Affiliations

  1. Faculty of Engineering Management, Poznan University of Technology, Poznan, Poland

    Beata Mrugalska

  2. Poznan University of Technology, Poznan, Poland

    Stefan Trzcielinski

  3. University of Central Florida, Winter Park, FL, USA

    Waldemar Karwowski

  4. Architecture Department, University of Chieti-Pescara, Pescara, Pescara, Italy

    Massimo Di Nicolantonio

  5. Lincoln School of Design, University of Lincoln, Lincoln, UK

    Emilio Rossi

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Wang, J., Pan, Z., Wang, Y., Carpenter, K., Li, H. (2020). Effects of Deposition Current on the Microstructure and Pseudoelasticity of Wire-Arc Additively Manufactured Ni-rich NiTi Alloys. In: Mrugalska, B., Trzcielinski, S., Karwowski, W., Di Nicolantonio, M., Rossi, E. (eds) Advances in Manufacturing, Production Management and Process Control. AHFE 2020. Advances in Intelligent Systems and Computing, vol 1216. Springer, Cham. https://doi.org/10.1007/978-3-030-51981-0_10

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  • DOI: https://doi.org/10.1007/978-3-030-51981-0_10

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-51980-3

  • Online ISBN: 978-3-030-51981-0

  • eBook Packages: EngineeringEngineering (R0)

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