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Peritectic titanium alloys for 3D printing

Author

Listed:
  • Pere Barriobero-Vila

    (German Aerospace Center (DLR), Linder Höhe)

  • Joachim Gussone

    (German Aerospace Center (DLR), Linder Höhe)

  • Andreas Stark

    (Helmholtz-Zentrum Geesthacht)

  • Norbert Schell

    (Helmholtz-Zentrum Geesthacht)

  • Jan Haubrich

    (German Aerospace Center (DLR), Linder Höhe)

  • Guillermo Requena

    (German Aerospace Center (DLR), Linder Höhe
    RWTH Aachen University)

Abstract

Metal-based additive manufacturing (AM) permits layer-by-layer fabrication of near net-shaped metallic components with complex geometries not achievable using the design constraints of traditional manufacturing. Production savings of titanium-based components by AM are estimated up to 50% owing to the current exorbitant loss of material during machining. Nowadays, most of the titanium alloys for AM are based on conventional compositions still tailored to conventional manufacturing not considering the directional thermal gradient that provokes epitaxial growth during AM. This results in severely textured microstructures associated with anisotropic structural properties usually remaining upon post-AM processing. The present investigations reveal a promising solidification and cooling path for α formation not yet exploited, in which α does not inherit the usual crystallographic orientation relationship with the parent β phase. The associated decrease in anisotropy, accompanied by the formation of equiaxed microstructures represents a step forward toward a next generation of titanium alloys for AM.

Suggested Citation

  • Pere Barriobero-Vila & Joachim Gussone & Andreas Stark & Norbert Schell & Jan Haubrich & Guillermo Requena, 2018. "Peritectic titanium alloys for 3D printing," Nature Communications, Nature, vol. 9(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-05819-9
    DOI: 10.1038/s41467-018-05819-9
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    Cited by:

    1. Chongle Zhang & Xiangyun Bao & Mengyuan Hao & Wei Chen & Dongdong Zhang & Dong Wang & Jinyu Zhang & Gang Liu & Jun Sun, 2022. "Hierarchical nano-martensite-engineered a low-cost ultra-strong and ductile titanium alloy," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    2. Yannick Naunheim & Christopher A. Schuh, 2024. "Multicomponent alloys designed to sinter," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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