Effects of Sn addition on the glass forming ability and crystallization behavior in Ni-Zr-Ti-Si alloys

J. K. Lee, D. H. Bae, S. Yi, W. T. Kim, D. H. Kim

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The effect of Sn substitution for Si on the glass forming ability (GFA) and crystallization behavior has been studied in Ni59Zr 20Ti16Si5 - xSnx (x = 0, 3, 5) alloys. A bulk amorphous Ni59Zr20Ti16Si 2Sn3 alloy with diameter up to 3 mm can be fabricated by injection casting. Partial substitution of Si by Sn in Ni59Zr 20Ti6Si5 - xSnx alloys improves the glass forming ability. The improved GFA of the Ni59Zr 20Ti16Si2Sn3 alloy is can be explained based on the lowering of liquidus temperature. The crystallization sequence becomes completely different with addition of Sn. The amorphous Ni 59Zr20Ti16Si5 alloy crystallizes via precipitation of only a cubic NiTi phase in the first crystallization step, whereas the amorphous Ni59Zr20Ti16Si 2Sn3 alloy crystallizes via simultaneous precipitation of orthorhombic Ni10(Zr,Ti)7 and cubic NiTi phases. Addition of Sn in the Ni59Zr20Ti16Si5 alloy suppresses the formation of the primary cubic NiTi phase. The bulk amorphous Ni59Zr20Ti16Si2Sn3 alloy exhibits high compressive fracture strength of about 2.7 GPa with a plastic strain of about 2%.

Original languageEnglish
Pages (from-to)212-220
Number of pages9
JournalJournal of Non-Crystalline Solids
Issue number2
Publication statusPublished - 2004 Feb 1

Bibliographical note

Funding Information:
This work was supported by the Creative Research Initiatives of the Korean Ministry of Science and Technology.

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry


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