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Effect of heat treatment on fracture toughness of Fe-Co-Zr-Mo-W-B bulk amorphous alloy

  • Hua Xing Xiao*
  • , Guang Chen
  • , Guo Liang Chen
  • *Corresponding author for this work
  • Nanjing University of Science and Technology
  • Changzhou Institute of Technology
  • University of Science and Technology Beijing

Research output: Contribution to journalArticlepeer-review

Abstract

A plate Fe-Co-Zr-Mo-W-B Fe-based bulk amorphous alloy of the thickness of 1 mm was prepared with processes of arc melting alloy ingots, inductive melting and copper mold suction casting. The surfaces and fractures of the cast bulk amorphous alloy samples are agleam and with typical metallic luster, however, the brittleness of the cast alloy is obvious. The effect of heat treatment on the brittleness of the cast alloy was studied by indentation technique. The results show that a proper annealing can increase the fracture toughness to 260% of that as cast.

Original languageEnglish
Pages (from-to)74-77
Number of pages4
JournalJinshu Rechuli/Heat Treatment of Metals
Volume30
Issue number7
StatePublished - Jul 2005
Externally publishedYes

Keywords

  • Fe-based bulk amorphous alloy
  • Fracture toughness
  • Heat treatment
  • Indentation test

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