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US 2024/0177944 A1Published application
Composite material for electrical contacts and method of producing same
AssigneeLs Electric Co., Ltd.
InventorsChul Dong MOON, Wook Dong CHO, Won Young KIM
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Abstract
The present disclosure relates to an electrical contact material that is a contact element that plays a role of blocking or allowing the flow of an electric circuit to pass through, and relates to an electrical contact composite material that satisfies the physical properties required to use as an electrical contact while reducing Ag content, and a method for manufacturing the same.
Claims10
An composite material for electrical contact, comprising:
- a silver (Ag) powder;
- a metal-based powder including at least one selected from nickel (Ni), tungsten (W), and tungsten carbide (WC);
- and
- an Ag/C composite powder including silver (Ag) and a carbon-based nanofiller.
1 more element
A method for manufacturing a composite material for electrical contact, the method comprising performing a process, comprising:
- mixing a silver (Ag) powder, a metal-based powder, and an Ag/C composite powder including silver (Ag) and a carbon-based nanofiller to prepare a mixed powder;
- preparing a workpiece by sintering, rolling, or extruding the mixed powder, and
- heat-treating the workpiece,
- wherein the metal-based powder comprises at least one selected from nickel (Ni), tungsten (W), and tungsten carbide (WC), and
- wherein the Ag/C composite powder is a material integrated by inserting and dispersing carbon-based nanofillers into the Ag powder, and the Ag/C composite powder has a density of 8.40 to 9.50 g/cm3.
2 more elements
Dependencies are inferred from the claim text.