TY - GEN
T1 - Strengthening behaviors of low-precious Ag-Pd-Au-Zn alloys for dental applications
AU - Niinomi, Mitsuo
AU - Nakai, Masaaki
AU - Hieda, Junko
AU - Ken-Cho,
AU - Kim, Yonghwan
AU - Fukui, Hisao
PY - 2015/1/1
Y1 - 2015/1/1
N2 - Ag-Pd-Au-Zn alloys are frequently strengthened by an aging treatment after an initial solution treatment. However, Ag-Pd-Au-Zn alloys can be significantly strengthened by solution treatment alone. This phenomenon is unique, as the strength of metallic materials is generally decreased by solution treatment because of the precipitates dissolving into the surrounding matrix. Among the Ag-Pd-Au-Zn alloys, Ag-20Pd-12Au-14.5Cu alloy (in mass %) is the standard compositional alloy used for practical applications. The main source of the solution-treated Ag-20Pd-12Au-14.5Cu alloy strengthening was expected to be a β′ phase formation during the cooling process from the solution treatment's high temperature; this is clarified by changing the solution heat treatment and aging treatment conditions of using as-received wrought Ag-20Pd-12Au-14.5Cu alloy and liquid rapid solidified Ag-20Pd-12Au-14.5Cu alloy.
AB - Ag-Pd-Au-Zn alloys are frequently strengthened by an aging treatment after an initial solution treatment. However, Ag-Pd-Au-Zn alloys can be significantly strengthened by solution treatment alone. This phenomenon is unique, as the strength of metallic materials is generally decreased by solution treatment because of the precipitates dissolving into the surrounding matrix. Among the Ag-Pd-Au-Zn alloys, Ag-20Pd-12Au-14.5Cu alloy (in mass %) is the standard compositional alloy used for practical applications. The main source of the solution-treated Ag-20Pd-12Au-14.5Cu alloy strengthening was expected to be a β′ phase formation during the cooling process from the solution treatment's high temperature; this is clarified by changing the solution heat treatment and aging treatment conditions of using as-received wrought Ag-20Pd-12Au-14.5Cu alloy and liquid rapid solidified Ag-20Pd-12Au-14.5Cu alloy.
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M3 - Conference contribution
AN - SCOPUS:84947280671
T3 - Ceramic Transactions
SP - 63
EP - 71
BT - Biomaterials Science
A2 - Bose, Susmita
A2 - Bandyopadhyay, Amit
A2 - Narayan, Roger
PB - American Ceramic Society
T2 - Next Generation Biomaterials and Surface Properties of Biomaterials Symposia - Materials Science and Technology 2014 Conference, MS and T 2014
Y2 - 12 October 2014 through 16 October 2014
ER -