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Title: Phase separation in rapid solidified Ag-rich Ag-Cu-Zr alloys
Authors: Niyomsoan, SaisamornGargarella, PiterChomsaeng, NatthapholTermsuksawad, PreechaKühn, UthaEckert, Jürgen
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Issue Date: 2015
Published in: Materials Research, Volume 18, Issue suppl. 1, Page 120-126
Publisher: São Carlos : Universidade Federal de São Carlos
Abstract: The microstructure and phase formation of rapid solidified Ag-rich Ag-Cu-Zr alloys were investigated. Two types of structure; interconnected- and droplet-type structures, were obtained due to phase separation mechanisms. The former was spinodal decomposition and the later was nucleation and growth mechanism. Depending on the alloy compositions, three crystalline phases; FCC-Ag, AgZr and Cu10Zr7 phases were observed along with an in-situ nanocrystalline/amorphous composite. Vickers hardness testing indicated a significant increase of hardness in the nanocrystalline/amorphous-composite alloy.
Keywords: Phase separation; rapid solidification; Ag-rich alloys
DDC: 620
License: CC BY 4.0 Unported
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Appears in Collections:Ingenieurwissenschaften

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