Compositional Dependence of Thermal and Mechanical Properties of Quaternary Zr-Cu-Ni-Al Bulk Glassy Alloys

• Yokoyama Yoshihiko

  Advanced Research Center of Metallic Glasses, Institute for Materials Research, Tohoku University

• Inoue Akihisa

  Tohoku University

Abstract

To determine the optimized composition of quaternary Zr-Cu-Ni-Al bulk glassy alloy, its thermal and mechanical properties are examined. Zr shows high correlation coefficients with T_g and Vickers hardness, whereas Ni and Al show high correlation coefficients with T_l and T_x, respectively. Only Cu shows no remarkable correlation coefficient with any thermal or mechanical properties. We conclude that a compositional region with a high (over 135 kJ/m²) U-notch Charpy impact (CUE) value is located around the Zr₅₂Cu₃₀Ni₈Al₁₀ bulk glassy alloy, which exhibits a maximum CUE of 165 kJ/m². Moreover, a compositional region with high tensile strength (over 2000 MPa) is also located around the Zr₄₈Cu₃₂Ni₈Al₁₂ bulk glassy alloy, which shows a maximum tensile strength of 2100 MPa.

Journal

• MATERIALS TRANSACTIONS

  MATERIALS TRANSACTIONS 48 (6), 1282-1287, 2007

  The Japan Institute of Metals and Materials

Keywords

• zirconium-copper-nickel-aluminum quaternary alloy system
• phase diagram
• Vickers hardness
• Young’s modulus
• tensile strength
• Charpy impact value

Details

• CRID: 1390282679227849856
• NII Article ID: 10019486265
• NII Book ID: AA1151294X
• DOI: 10.2320/matertrans.mf200622
• COI: 1:CAS:528:DC%2BD2sXnvVWrurs%3D
• ISSN: 13475320
• ISSN: 13459678
• NDL BIB ID: 8742189
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I8742189
• Web Site: https://www.jstage.jst.go.jp/article/matertrans/48/6/48_MF200622/_pdf
• Text Lang: en
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed