Title:
CONTACT MATERIAL CONTAINING AG ALLOY AS MAIN COMPONENT, CONTACT USING SAID CONTACT MATERIAL, AND ELECTRICAL EQUIPMENT
Document Type and Number:
WIPO Patent Application WO/2022/102238
Kind Code:
A1
Abstract:
Provided is a contact material that is less likely to cause contact damage due to an arc occurring when a contact is opened and closed. The contact material containing a Ag alloy as a main component includes: a Ag alloy; and at least one main additive which is present in a phase different from that of the Ag alloy, and is selected from the group consisting of tin oxide, nickel, nickel oxide, iron, iron oxide, tungsten, tungsten carbide, tungsten oxide, zinc oxide, and carbon, wherein the Ag alloy contains, in an amount of 0.01 wt% to 2 wt%, a metal atom constituting the main additive or a solid-solution element having a pore binding energy lower than the pore binding energy of pores at grain boundaries between carbon and Ag metals when the main additive is carbon.
Inventors:
TANAKA JUNICHI (JP)
MISUMI SHUICHI (JP)
MORI TETSUYA (JP)
MISUMI SHUICHI (JP)
MORI TETSUYA (JP)
Application Number:
PCT/JP2021/033736
Publication Date:
May 19, 2022
Filing Date:
September 14, 2021
Export Citation:
Assignee:
OMRON TATEISI ELECTRONICS CO (JP)
International Classes:
C22C5/06
Domestic Patent References:
| WO2012066826A1 | 2012-05-24 | |||
| WO2020241854A1 | 2020-12-03 |
Foreign References:
| JPH06136472A | 1994-05-17 | |||
| JPS6030548A | 1985-02-16 | |||
| JPS6455345A | 1989-03-02 | |||
| JP2015165041A | 2015-09-17 | |||
| JP2015125936A | 2015-07-06 | |||
| JPS58110639A | 1983-07-01 |
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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