Formation and Mechanical Properties of Cu–Zr–Al–Sn Bulk Metallic Glasses

Hua Men; Xiang Ke Wang; Jun Ying Fu; Chao Li Ma; Tao Zhang

doi:10.2320/matertrans.47.194

Hua Men, Xiang Ke Wang, Jun Ying Fu, Chao Li Ma, Tao Zhang

Author information

Keywords: glass-forming ability, bulk metallic glass, mechanical properties, plasticity

JOURNAL FREE ACCESS

2006 Volume 47 Issue 1 Pages 194-197

DOI https://doi.org/10.2320/matertrans.47.194

Details

Abstract

Formation and mechanical properties of Cu–Zr–Al–Sn bulk metallic glasses were investigated. The glass-forming ability of Cu₅₀Zr₅₀ alloy is significantly improved with addition of Al, and the critical diameter for glass formation increases from 2 to 7 mm for Cu_46.25Zr_46.25Al_7.5 alloy. Furthermore, the critical diameter is slightly increased to 8 mm by substituting 1 at% Sn for Zr of Cu_46.25Zr_46.25Al_7.5 alloy. The bulk glassy Cu_46.25Zr_46.25Al_7.5 alloy exhibits a limited plasticity of about 1.2% to failure under compression and the plasticity is effectively enhanced due to the addition of Sn, about 4.1% for bulk glassy Cu_46.25Zr_45.25Al_7.5Sn₁ alloy.

Corresponding author

Register with J-STAGE for free!