EP 2620515 B1 20151209 - ELECTRIC CONTACT MATERIAL
Title (en)
ELECTRIC CONTACT MATERIAL
Title (de)
ELEKTRISCHES KONTAKTMATERIAL
Title (fr)
MATÉRIAU DE CONTACT ÉLECTRIQUE
Publication
Application
Priority
- JP 2010210896 A 20100921
- JP 2011068219 W 20110810
Abstract (en)
[origin: EP2620515A1] Provided is an electrical contact material excellent in welding resistance, wear-out resistance, and temperature performance. The electrical contact material (31) includes more than 55% by mass and 80% by mass or less of tungsten carbide and 2% by mass or more and 5% by mass or less of graphite, the remainder including silver and an unavoidable impurity, the electrical contact material (31): having a relative density of 96.0% or more; an oxygen content of 600 ppm or less; an electrical conductivity of 30% IACS or more; and a transverse rupture strength of 450 MPa or more.
IPC 8 full level
C22C 29/08 (2006.01); C22C 1/05 (2006.01); H01H 1/021 (2006.01)
CPC (source: EP)
C22C 29/08 (2013.01); H01H 1/027 (2013.01); H01H 50/14 (2013.01); C22C 29/06 (2013.01); H01H 2001/0057 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2620515 A1 20130731; EP 2620515 A4 20141210; EP 2620515 B1 20151209; CN 103108968 A 20130515; JP 5134166 B2 20130130; JP WO2012039207 A1 20140203; WO 2012039207 A1 20120329
DOCDB simple family (application)
EP 11826653 A 20110810; CN 201180044994 A 20110810; JP 2011068219 W 20110810; JP 2012534963 A 20110810