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1. 发明授权

EP2620515B1 ELECTRIC CONTACT MATERIAL 有权
标题翻译：电接触材料
公开(公告)号：EP2620515B1
公开(公告)日：2015-12-09
申请号：EP11826653.5
申请日：2011-08-10
申请人： A.L.M.T. Corp.
发明人： HATAKEYAMA, Takashi , UENISHI, Noboru , GOMA, Norihito , SUZUKI, Yasuhiko
IPC分类号： C22C29/08 , H01H1/021 , C22C1/05
CPC分类号： H01H1/027 , C22C29/06 , C22C29/08 , H01H50/14 , H01H2001/0057

2. 发明授权

EP2586883B1 ELECTRICAL CONTACT MATERIAL 有权
标题翻译：电接触材料
公开(公告)号：EP2586883B1
公开(公告)日：2015-11-04
申请号：EP11797993.0
申请日：2011-06-09
申请人： A.L.M.T. Corp.
发明人： HATAKEYAMA, Takashi , UENISHI, Noboru , GOMA, Norihito , SUZUKI, Yasuhiko
IPC分类号： C22C32/00 , C22C5/06 , C22C29/08 , H01H1/021 , H01H1/023 , C22C1/05
CPC分类号： C22C5/06 , B22F2998/00 , C22C29/08 , C22C32/0052 , H01H1/0233 , B22F2303/01 , B22F2301/255

3. 发明公开

EP2587507A1 ELECTRICAL CONTACT MATERIAL 有权
标题翻译：电接触材料
公开(公告)号：EP2587507A1
公开(公告)日：2013-05-01
申请号：EP11797992.2
申请日：2011-06-09
申请人： A.L.M.T. Corp.
发明人： HATAKEYAMA, Takashi , UENISHI, Noboru , GOMA, Norihito , SUZUKI, Yasuhiko
IPC分类号： H01H1/023 , C22C5/06 , C22C32/00 , H01H1/021 , C22C1/05
CPC分类号： H01H1/027 , C22C5/06 , C22C32/0052 , H01H1/021
摘要： Provided is an electrical contact material excellent in welding resistance, wear-out resistance, and temperature performance. The electrical contact material (31) includes 10% by mass or more and 30% 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 98.0% or more; an oxygen content of 350 ppm or less; an electrical conductivity of 60% IACS or more; and a transverse rupture strength of 330 MPa or more.
摘要翻译：本发明提供耐焊接性，耐磨耗性和温度性能优异的电触点材料。电触点材料（31）含有10质量％以上且30质量％以下的碳化钨和2质量％以上且5质量％以下的石墨，余量包含银和不可避免的杂质，电接触材料（31）：具有98.0％或更高的相对密度; 氧含量为350ppm或更少; 60％IACS或更高的电导率; 横向断裂强度为330MPa以上。

4. 发明授权

EP2587507B1 ELECTRICAL CONTACT MATERIAL 有权
标题翻译：电接触材料
公开(公告)号：EP2587507B1
公开(公告)日：2015-12-09
申请号：EP11797992.2
申请日：2011-06-09
申请人： A.L.M.T. Corp.
发明人： HATAKEYAMA, Takashi , UENISHI, Noboru , GOMA, Norihito , SUZUKI, Yasuhiko
IPC分类号： H01H1/023 , C22C5/06 , C22C32/00 , H01H1/021 , C22C1/05
CPC分类号： H01H1/027 , C22C5/06 , C22C32/0052 , H01H1/021

5. 发明公开

EP2586883A1 ELECTRICAL CONTACT MATERIAL 有权
标题翻译：电接触材料
公开(公告)号：EP2586883A1
公开(公告)日：2013-05-01
申请号：EP11797993.0
申请日：2011-06-09
申请人： A.L.M.T. Corp.
发明人： HATAKEYAMA, Takashi , UENISHI, Noboru , GOMA, Norihito , SUZUKI, Yasuhiko
IPC分类号： C22C32/00 , C22C5/06 , C22C29/08 , H01H1/021 , H01H1/023 , C22C1/05
CPC分类号： C22C5/06 , B22F2998/00 , C22C29/08 , C22C32/0052 , H01H1/0233 , B22F2303/01 , B22F2301/255
摘要： Provided is an electrical contact material excellent in welding resistance, wear-out resistance, and temperature performance. The electrical contact material (31) includes more than 30% by mass and 55% 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 98.0% or more; an oxygen content of 450 ppm or less; an electrical conductivity of 45% IACS or more; and a transverse rupture strength of 350 MPa or more.
摘要翻译：本发明提供耐焊接性，耐磨耗性和温度性能优异的电触点材料。电触点材料（31）含有超过30质量％且55质量％以下的碳化钨和2质量％以上且5质量％以下的石墨，余量包括银和不可避免的杂质，电接触材料（31）：具有98.0％或更高的相对密度; 氧含量为450ppm或更少; 45％IACS或更高的电导率; 横向断裂强度为350MPa以上。

6. 发明公开

EP2413337A1 ELECTRICAL CONTACT MATERIAL 审中-公开
标题翻译： ELEKTRISCHES KONTAKTMATERIAL
公开(公告)号：EP2413337A1
公开(公告)日：2012-02-01
申请号：EP10755584.9
申请日：2010-03-03
申请人： A.L.M.T. Corp.
发明人： HATAKEYAMA, Takashi , UENISHI, Noboru , SUZUKI, Yasuhiko , GOMA, Norihito
IPC分类号： H01H1/023 , C22C1/05 , C22C1/10 , C22C5/06 , C22C32/00
CPC分类号： H01H1/023 , C22C1/05 , C22C1/10 , C22C5/06 , H01H1/0233 , H01H1/027
摘要： Provided are an electrical contact material capable of reducing wear-out rates after breaking tests in an overload test and a short-circuit test of a breaker or the like; and an electrical contact material capable of preventing welding after breaking tests in a short-circuit test of a breaker or the like. The electrical contact material (31) according to one aspect includes 4% by mass or more and 7% by mass or less of graphite, the remainder is composed of silver and an unavoidable impurity, a deflection thereof is greater than or equal to 0.5 mm, a Vickers hardness thereof is greater than or equal to 55, and an oxygen content therein is less than or equal to 100 ppm. It is preferable that the electrical contact material (31) further includes a tungsten carbide. It is preferable that an average particle diameter of the tungsten carbide is greater than or equal to 40 nm and less than or equal to 3 µm and a content of the tungsten carbide is greater than or equal to 2% by mass and less than or equal to 4% by mass. The electrical contact material (31) according to another aspect includes 0.5% by mass or more and 2% by mass or less of graphite, the remainder is composed of silver and an unavoidable impurity, a deflection thereof is greater than or equal to 0.8 mm, a Vickers hardness thereof is greater than or equal to 40, and an oxygen content therein is less than or equal to 100 ppm.
摘要翻译：提供了能够在过载测试中断裂测试和断路器等的短路测试之后降低磨损率的电接触材料; 以及能够防止断路器等的短路试验中的断裂试验后的焊接的电接触材料。根据一个方面的电接触材料（31）包括4质量％以上且7质量％以下的石墨，余量由银和不可避免的杂质构成，其偏转量大于或等于0.5mm 维氏硬度大于或等于55，其中的氧含量小于或等于100ppm。优选的是，电接触材料（31）还包括碳化钨。碳化钨的平均粒径优选为40nm以上且3μm以下，碳化钨的含量优选为2质量％以下且小于等于至4质量％。根据另一方面的电接触材料（31）包括0.5质量％以上且2质量％以下的石墨，其余为银和不可避免的杂质，其偏转量大于或等于0.8mm 维氏硬度大于或等于40，其中的氧含量小于或等于100ppm。

7. 发明公开

EP2620515A1 ELECTRIC CONTACT MATERIAL 有权
标题翻译： ELEKTRISCHES KONTAKTMATERIAL
公开(公告)号：EP2620515A1
公开(公告)日：2013-07-31
申请号：EP11826653.5
申请日：2011-08-10
申请人： A.L.M.T. Corp.
发明人： HATAKEYAMA, Takashi , UENISHI, Noboru , GOMA, Norihito , SUZUKI, Yasuhiko
IPC分类号： C22C29/08 , H01H1/021 , C22C1/05
CPC分类号： H01H1/027 , C22C29/06 , C22C29/08 , H01H50/14 , H01H2001/0057
摘要： 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.
摘要翻译：提供了耐焊接性，耐磨损性和耐温性优异的电接触材料。电接触材料（31）包括超过55质量％和80质量％或更少的碳化钨和2质量％以上且5质量％以下的石墨，其余包括银和不可避免的杂质，电接触材料（31）：相对密度为96.0％以上; 氧含量为600ppm以下; 电导率为30％IACS以上; 横向断裂强度为450MPa以上。

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