Method for manufacturing an Ag-based electrical contact material, an electrical contact material and an electrical contact obtained therewith
AssigneeABB Schweiz AG
InventorsYinglu Tang, Moritz Boehm, Sam Bodry
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Abstract
A material and method for manufacturing an Ag-based electrical contact material includes synthesizing an intermetallic compound of MexSny type; ball milling the intermetallic compound; mixing the so obtained intermetallic compound powder with silver powder; packing the mixed powders into a green body; and forming a MeO-SnO2 cluster structure by internally oxidizing the intermetallic compound MexSny while sintering the green body.
Claims17
A method for manufacturing an Ag-based electrical contact material characterized in that it comprises the steps of:
- a. synthesizing an intermetallic compound of MexSny type, wherein Me is an additive metal;
- b. ball milling the intermetallic compound;
- c. mixing the so obtained intermetallic compound powder with silver powder;
- d. packing the mixed powders into a green body;
- and
- e. forming a MeO-SnO2 cluster structure by internally oxidizing the intermetallic compound MexSny while sintering the green body.
An Ag-based electrical contact material obtained by:
- a. synthesizing an intermetallic compound of MexSny type, wherein Me is an additive metal;
- b. ball milling the intermetallic compound;
- c. mixing the so obtained intermetallic compound powder with silver powder;
- d. packing the mixed powders into a green body;
- and
- e. forming a MeO-SnO2 cluster structure by internally oxidizing the intermetallic compound MexSny while sintering the green body.
An Ag-based electrical contact material characterized in that it comprises a MeO-SnO2 cluster structure.
Dependencies are inferred from the claim text.