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Structure of G.P. zone in Cu-2%Be alloy

1963; University of Toronto Press; Volume: 11; Issue: 1 Linguagem: Inglês

10.1016/0001-6160(63)90137-8

1878-0768

Katsushi Tanaka, Michi-hiko Mannami, Konami Izumi, Kenzaburo Marukawa,

High Entropy Alloys Studies

The age-hardening characteristics of Au-containing AgPdCu dental alloys were investigated. The composition ranges of the three commercial alloys tested were: Ag 49.3–52.5 at.%, Pd 24.5–29.3 at.%, Cu 15.3–21.0 at.% and Au 2.6–6.5 at.%. From the electron microscope study it is concluded that the cause of hardening in this alloy is the precipitation of a CuPd ordered phase, which has the AuCuI type face-centred tetragonal structure.