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US 12,667,898 B2Granted
Electrode wire for electrical discharge machining and preparation method thereof
AssigneeNingbo Boway Alloy Hightech Wire Co. Ltd
InventorsTong Wu, Xiaoqi Luo, Zhining Liang, Huogen Lin, Yibo Chen
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Abstract
An electrode wire includes a brass core, a Cu—Zn alloy layer coated on the brass core, and a surface layer. The surface layer includes CuO, ZnO, Cu2(OH)2CO3, and a Cu—Zn intermetallic compound. The surface layer is in the shape of particles or sheets spaced apart on the Cu—Zn alloy layer; and the Cu—Zn alloy layer is exposed with respect to spaces between the particles or sheets.
Claims7
An electrode wire, comprising:
- a brass core;
- a Cu—Zn alloy layer coated on the brass core;
- and
- a surface layer, the surface layer comprising CuO, ZnO, Cu2(OH)2CO3, and a Cu—Zn intermetallic compound;
- wherein:
- the surface layer is in the shape of particles or sheets spaced apart on the Cu—Zn alloy layer;
- and
- the Cu—Zn alloy layer is exposed with respect to spaces between the particles or sheets.
5 more elements
Dependencies are inferred from the claim text.