3D printing of Fe-based bulk metallic glasses and composites with large dimensions and enhanced toughness by thermal spraying

Cheng Zhang, Wei Wang, Yi Cheng Li, Yan Ge Yang, Yue Wu, Lin Liu

Research output: Contribution to journalArticle

  • 5 Citations

Abstract

Large sized Fe-based bulk metallic glasses (BMGs) and BMG/stainless steel (SS) composites with excellent mechanical properties were successfully fabricated using a thermal spray three-dimensional (3D) printing (TS3DP) technique. The 3D-printed BMG and BMGC (reinforced with 50% SS powder) parts exhibited high fracture strength (∼2 GPa) and fairly good fracture toughness (13-21 MPa m1/2, which is 200-400% greater than that of the as-cast BMG of the same composition). The enhanced fracture toughness originates from the intrinsically layered structure of the 3D-printed BMG components, which caused crack deflection and thus the increase of energy dissipation during crack propagation. The TS3DP technique developed in this work opens up a new avenue for the production of BMGs and BMG composites of theoretically limitless size, and facilitates their application as structural and functional materials.

LanguageEnglish (US)
Pages6800-6805
Number of pages6
JournalJournal of Materials Chemistry A
Volume6
Issue number16
DOIs
StatePublished - Jan 1 2018

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3D printers
Thermal spraying
Functional materials
Metallic glass
Toughness
Printing
Energy dissipation
Cracks
Glass
Composite materials
Fracture toughness
Stainless Steel
Powders
Crack propagation
Mechanical properties

ASJC Scopus subject areas

  • Chemistry(all)
  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

Cite this

3D printing of Fe-based bulk metallic glasses and composites with large dimensions and enhanced toughness by thermal spraying. / Zhang, Cheng; Wang, Wei; Li, Yi Cheng; Yang, Yan Ge; Wu, Yue; Liu, Lin.

In: Journal of Materials Chemistry A, Vol. 6, No. 16, 01.01.2018, p. 6800-6805.

Research output: Contribution to journalArticle

Zhang, Cheng ; Wang, Wei ; Li, Yi Cheng ; Yang, Yan Ge ; Wu, Yue ; Liu, Lin. / 3D printing of Fe-based bulk metallic glasses and composites with large dimensions and enhanced toughness by thermal spraying. In: Journal of Materials Chemistry A. 2018 ; Vol. 6, No. 16. pp. 6800-6805.
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