公开(公告)号：US20050115812A1

公开(公告)日：2005-06-02

申请号：US10501960

申请日：2003-01-15

申请人： Noboru Uenishi ,  Norihito Goma

发明人： Noboru Uenishi ,  Norihito Goma

IPC分类号： C22C5/06 ,  H01H1/023 ,  H01H1/0237 ,  H01H1/04 ,  H01H73/04 ,  H01H1/02

CPC分类号： C22C5/06 ,  H01H1/023 ,  H01H1/02372 ,  H01H73/04

摘要： A high quality electrical contact that is made of a Cd free Ag alloy and can be applied to a breaker is provided. The electrical contact is made of an Ag alloy containing Sn and In each 1 to 9% by weight, and has a first layer as the surface layer and a second layer as an internal portion. The hardness of the first layer and the hardness of the second layer are equal to or more than 190 and equal to or less than 130, respectively, based on micro Vickers standard defined by JIS. The thickness of the first layer is within the range from 10 to 360 μm. In particular, the electrical contact has a high quality temperature characteristic as well as a high quality welding resistance characteristic.

公开(公告)号：US20060239854A1

公开(公告)日：2006-10-26

申请号：US10564951

申请日：2004-07-16

申请人： Noboru Uenishi ,  Norihito Goma ,  Yasuhiko Suzuki

发明人： Noboru Uenishi ,  Norihito Goma ,  Yasuhiko Suzuki

IPC分类号： C22C5/06

CPC分类号： C22C5/06 ,  B32B15/018 ,  H01H1/0231 ,  H01H1/02376

摘要： An electric contact of high performance that is constituted of a Cd-free Ag alloy posing no toxic problem, excels in insulating capability and can ensure stability of brazing and consumption characteristics and that can be used in a breaker or high-load electromagnetic switch; and electrical equipment including the electric contact. In particular, an electric contact comprised of an Ag alloy containing 1 to 9 mass % of Sn in which the amount of Cd as impurity is 0 or less than 0.01 mass %, the electric contact having a double layer structure composed of a surface-side first layer and an interior second layer wherein the first layer has a thickness of 10 μm or greater and has an average hardness of 150 or higher on the microvickers scale stipulated in JIS while the second layer has an average hardness of higher than 130 on the same scale.

摘要翻译： 高性能的电接触由无Cd的Ag合金构成，不会产生毒性问题，绝缘性能优异，可确保钎焊和消耗特性的稳定性，可用于断路器或高负载电磁开关; 以及包括电接触器的电气设备。 特别是包含含有1〜9质量％Sn的杂质的Cd合金含量为0以下0.01以下的电接触体，具有由表面侧构成的双层结构的电接点 第一层和内部第二层，其中第一层具有10μm以上的厚度，并且在JIS上规定的微观尺度上具有150或更高的平均硬度，而第二层具有高于130的平均硬度。 规模。

公开(公告)号：US06974923B2

公开(公告)日：2005-12-13

申请号：US10501960

申请日：2003-01-15

申请人： Noboru Uenishi ,  Norihito Goma

发明人： Noboru Uenishi ,  Norihito Goma

IPC分类号： C22C5/06 ,  H01H1/023 ,  H01H1/0237 ,  H01H1/04 ,  H01H73/04 ,  H01H1/02

CPC分类号： C22C5/06 ,  H01H1/023 ,  H01H1/02372 ,  H01H73/04

摘要： A high quality electrical contact that is made of a Cd free Ag alloy and can be applied to a breaker is provided.The electrical contact is made of an Ag alloy containing Sn and In each 1 to 9% by weight, and has a first layer as the surface layer and a second layer as an internal portion. The hardness of the first layer and the hardness of the second layer are equal to or more than 190 and equal to or less than 130, respectively, based on micro Vickers standard defined by JIS. The thickness of the first layer is within the range from 10 to 360 μm. In particular, the electrical contact has a high quality temperature characteristic as well as a high quality welding resistance characteristic.

摘要翻译： 提供由不含Cd的Ag合金制成并可应用于断路器的高质量电接触。 电接触由含有Sn和In的Ag合金制成，每1至9重量％，并且具有作为表面层的第一层和作为内部的第二层。 基于JIS定义的微维氏标准，第一层的硬度和第二层的硬度分别等于或大于190且等于或小于130。 第一层的厚度在10-360μm的范围内。 特别地，电接触具有高质量的温度特性以及高质量的耐焊接特性。

公开(公告)号：US20060157451A1

公开(公告)日：2006-07-20

申请号：US10532543

申请日：2003-11-10

申请人： Noboru Uenishi ,  Norihito Goma ,  Hidetaka Katougi ,  Kiyohito Kamiya

发明人： Noboru Uenishi ,  Norihito Goma ,  Hidetaka Katougi ,  Kiyohito Kamiya

IPC分类号： B23H1/06

CPC分类号： C22C1/0475 ,  B22F2009/041 ,  B22F2998/10 ,  B23H1/06 ,  C22C9/00 ,  C22C27/04 ,  C22C32/0031 ,  C22C32/0047 ,  C22C32/0089 ,  B22F1/0003 ,  B22F9/04 ,  C22C1/1026 ,  C22C1/05 ,  B22F3/02 ,  B22F3/10 ,  B22F3/26

摘要： An electrode material for electrical discharge machining made of a W—Cu alloy containing at least 40% by weight of W, at most 15% by weight of an additional element or a compound thereof, and a balance of Cu, contains, as the additional element or the compound thereof, at most 10% by weight of particles selected from an alkali metal element, an alkaline-earth metal element and a rare-earth element, and an oxide, a hydroxide, a nitride, a boride and a sulfide of the elements. For example, the additional element or the compound thereof is an oxide or a hydroxide of each of Ba, Nd and Ce. The particles have a mean particle diameter of less than 3 μm or a mean interparticle spacing of at most 20 μm. At least 30% of W particles contained in the alloy preferably have a particle diameter of at most 1 μm. In addition, not more than 10% by weight of Ni can further be contained. According to the present invention, there can be provided an electrode material for electrical discharge machining which causes less electrode wear and attains higher machining rate, and is excellent in electrical discharge machining property.

摘要翻译： 由W-Cu合金制成的用于放电加工的电极材料，其含有至少40重量％的W，至多15重量％的附加元素或其化合物，余量为Cu，作为附加 元素或其化合物，至多10重量％的选自碱金属元素，碱土金属元素和稀土元素的颗粒，以及氧化物，氢氧化物，氮化物，硼化物和硫化物 元素。 例如，附加元素或其化合物是Ba，Nd和Ce各自的氧化物或氢氧化物。 颗粒的平均粒径小于3μm，平均颗粒间距至多为20μm。 合金中所含的W粒子的至少30％优选具有至多1um的粒径。 此外，可以进一步含有不超过10重量％的Ni。 根据本发明，可以提供一种放电加工用电极材料，其电极磨损较少，加工速度更快，并且放电加工性优异。