Browsing by Author Miyagi, Toshimi
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Mechanical properties of electron-beam-melted biomedical Co–Cr–Mo–N alloys can be improved by the grain refinement from reverse transform treatment, which transforms a low-temperature strong ε-phase into a high-temperature ductile γ-phase. Although mechanical properties of alloys consisting of a single ε- or γ-phase have been previously reported on, those comprising mixed ε- and γ-phases have not yet been investigated. Herein, the heat treatment conditions of the Co–28Cr–6Mo–0.11N alloy were determined to control the phase fraction while obtaining fine grains in the mixed phases with superior mechanical properties. The phase transformation behavior was analyzed. Superior mechanical pr... |
