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  • Zhang, JingqiSchool of Mechanical and Mining Engineering, The University of Queensland, St. Lucia, Brisbane, QLD, Australia., St. Lucia (author)

Ultrauniform, strong, and ductile 3D-printed titanium alloy through bifunctional alloy design

  • Article/chapterEnglish2024

Publisher, publication year, extent ...

  • American Association for the Advancement of Science (AAAS),2024
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kth-343659
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-343659URI
  • https://doi.org/10.1126/science.adj0141DOI

Supplementary language notes

  • Language:English
  • Summary in:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • QC 20240222
  • Coarse columnar grains and heterogeneously distributed phases commonly form in metallic alloys produced by three-dimensional (3D) printing and are often considered undesirable because they can impart nonuniform and inferior mechanical properties. We demonstrate a design strategy to unlock consistent and enhanced properties directly from 3D printing. Using Ti−5Al−5Mo−5V−3Cr as a model alloy, we show that adding molybdenum (Mo) nanoparticles promotes grain refinement during solidification and suppresses the formation of phase heterogeneities during solid-state thermal cycling. The microstructural change because of the bifunctional additive results in uniform mechanical properties and simultaneous enhancement of both strength and ductility. We demonstrate how this alloy can be modified by a single component to address unfavorable microstructures, providing a pathway to achieve desirable mechanical characteristics directly from 3D printing.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Bermingham, Michael J.School of Mechanical and Mining Engineering, The University of Queensland, St. Lucia, Brisbane, QLD, Australia., St. Lucia (author)
  • Otte, JosephCentre for Microscopy and Microanalysis, The University of Queensland, St. Lucia, Brisbane, QLD, Australia., St. Lucia (author)
  • Liu, YingangSchool of Mechanical and Mining Engineering, The University of Queensland, St. Lucia, Brisbane, QLD, Australia., St. Lucia (author)
  • Hou, Ziyong,1986-KTH,Materialvetenskap,International Joint Laboratory for Light Alloys (Ministry of Education), College of Materials Science and Engineering, Chongqing University, Chongqing, China.; Shenyang National Laboratory for Materials Science, Chongqing University, Chongqing, China(Swepub:kth)u1tkscqf (author)
  • Yang, NanSchool of Mechanical and Mining Engineering, The University of Queensland, St. Lucia, Brisbane, QLD, Australia., St. Lucia (author)
  • Yin, YuSchool of Mechanical and Mining Engineering, The University of Queensland, St. Lucia, Brisbane, QLD, Australia., St. Lucia (author)
  • Bayat, MohamadDepartment of Mechanical Engineering, Technical University of Denmark, Lyngby, Denmark. (author)
  • Lin, WeikangSchool of Mechanical and Mining Engineering, The University of Queensland, St. Lucia, Brisbane, QLD, Australia., St. Lucia (author)
  • Huang, XiaoxuInternational Joint Laboratory for Light Alloys (Ministry of Education), College of Materials Science and Engineering, Chongqing University, Chongqing, China.; Shenyang National Laboratory for Materials Science, Chongqing University, Chongqing, China. (author)
  • StJohn, David H.School of Mechanical and Mining Engineering, The University of Queensland, St. Lucia, Brisbane, QLD, Australia., St. Lucia (author)
  • Dargusch, Matthew S.School of Mechanical and Mining Engineering, The University of Queensland, St. Lucia, Brisbane, QLD, Australia., St. Lucia (author)
  • School of Mechanical and Mining Engineering, The University of Queensland, St. Lucia, Brisbane, QLD, Australia., St. LuciaCentre for Microscopy and Microanalysis, The University of Queensland, St. Lucia, Brisbane, QLD, Australia., St. Lucia (creator_code:org_t)

Related titles

  • In:Science: American Association for the Advancement of Science (AAAS)383:6683, s. 639-6450036-80751095-9203

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