Abstract
The influence of the addition of Ag to the crystallization and mechanical properties of the amorphous Zr65Al7.5Ni10Cu17.5-xAgx (x=5, 10 at.%) alloys was investigated. It was found that crystallization takes place through the two-stage process of Am→Am'+icosahedral→phase Zr2Cu+Zr2Ni+Zr2Al3. The icosahedral particles have a spherical morphology and their sizes range from 10 to 100nm. With the increase in the amount of Ag, thermal instability increases through the simultaneous decrease ofT x and ΔT x. The σ f increases significantly from 1560 MPa at 0%V f to 2120 MPa at 62%V f for the 10% Ag alloy.
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Han, T.K., Kim, S.J., Yang, Y.S. et al. Nanocrystallization and high tensile strength of amorphous Zr-Al-Ni-Cu-Ag alloys. Met. Mater. Int. 7, 91–94 (2001). https://doi.org/10.1007/BF03026945
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DOI: https://doi.org/10.1007/BF03026945