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Bulk Amorphous and Nanocrystalline Reinforced Pd‐Based Alloys: Formation, Structural, Thermal and Elastic Properties
Author(s) -
Kapaklis V.,
Schweiss P.,
Politis C.
Publication year - 2005
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.200400193
Subject(s) - nanocrystalline material , materials science , supercooling , amorphous solid , amorphous metal , metallurgy , ball mill , composite material , crystallography , alloy , thermodynamics , nanotechnology , chemistry , physics
Bulk amorphous Pd‐ based alloys show a large supercooled liquid region and have very low critical cooling rates. Arc melting and high energy ball milling, are both suitable methods for the production of amorphous Pd 40 Cu 30 Ni 10 P 20 alloys. The alloys have been examined for their thermal and structural properties. The introduction of nanocrystalline precipitations in the amorphous matrix enhances the elastic properties which have been measured by ultrasonic techniques.