Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1994-03-23
1995-06-13
Gorgos, Kathryn
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204196, C25B 1104
Patent
active
054239699
ABSTRACT:
The present invention provides a sacrificial electrode material which consists of a single phase amorphous structure or a structure consisting of an amorphous phase and a crystalline solid solution phase and provides electrochemical corrosion protection to metallic articles exposed to an aqueous electrolytic solution. The electrode material is prepared by rapidly quenching a magnesium-based alloy material from the liquid phase or vapor phase thereof, the magnesium-based alloy material consisting the general formula: Mg.sub.bal X1.sub.a X2.sub.b or Mg.sub.bal X1.sub.a, wherein X1 is at least one element selected from the group consisting of Al, Zn, Ga, Ca and In; X2 is at least one element selected from the group consisting of Mm (misch metal), Y and rare earth metal elements; a and b are, in atomic percentages, 5.0.ltoreq.a.ltoreq.35.0 and 3.0.ltoreq.b.ltoreq.25.0, respectively. The magnesium-based alloy material may further contain one or more transition metal elements in their total contents not exceeding 1.0 atomic %.
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Inoue Akihisa
Masumoto Tsuyoshi
Sakuma Takashi
Shibata Toshisuke
Gorgos Kathryn
YKK Corporation
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