EP 0774529 B1 20000329 - Silver-iron material for electrical switch contacts
Title (en)
Silver-iron material for electrical switch contacts
Title (de)
Silber-Eisen-Werkstoff für elektrische Schaltkontakte (I)
Title (fr)
Matériau argent-fer pour contacts de commutateurs électriques
Publication
Application
Priority
DE 19543222 A 19951120
Abstract (en)
[origin: DE19543222C1] Ag-Fe material consists of (in wt.%) additives for electrical contacts comprising: 0.5-4.5 Fe, and 0.05-2 MgO, CaO, Y2O3, La-oxide, Ti-oxide, Zr-oxide, Hf-oxide, Ce-oxide, Nb-oxide, Ta-oxide, Cr-oxide, Mn-oxide, Fe-oxide, Zn-oxide, Al2O3, In-oxide, Si-oxide and Sn-oxide, with a balance of Ag. The material contains 0.2-1.5 wt.% oxide components, pref. 0.2-1.2 wt.% oxide of Mg, Ca, Y, La, Ti, Zr, Ce, Nb, Ta, Al and Si. The Fe content is 0.5-2.5 wt.%.
IPC 1-7
IPC 8 full level
C22C 5/06 (2006.01); C22C 32/00 (2006.01); H01H 1/02 (2006.01); H01H 1/023 (2006.01); H01H 1/0237 (2006.01)
CPC (source: EP US)
C22C 32/0021 (2013.01 - EP US); H01H 1/0237 (2013.01 - EP US)
Designated contracting state (EPC)
DE ES FR GB IT
DOCDB simple family (publication)
DE 19543222 C1 19970220; DE 59604827 D1 20000504; EP 0774529 A1 19970521; EP 0774529 B1 20000329; ES 2146825 T3 20000816; JP H09171735 A 19970630; US 5841044 A 19981124
DOCDB simple family (application)
DE 19543222 A 19951120; DE 59604827 T 19961026; EP 96117210 A 19961026; ES 96117210 T 19961026; JP 30521196 A 19961115; US 75193596 A 19961119