ELECTRODE WIRE AND PREPARATION METHOD THEREFOR

An electrode wire, comprising a core material (1), a middle layer (2) located outside the core material (1), and a surface layer (3) located outside the middle layer (2). The core material (1) is metal or alloy, the middle layer (2) comprises a γ-phase copper-zinc alloy layer (20), and the surface l...

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Bibliographische Detailangaben
Hauptverfasser:	LUO, Xiaoqi, LIN, Huogen, GU, Hongfang, LIANG, Zhining, WU, Tong, GUO, Fanglin, QIU, Fangchao
Format:	Patent
Sprache:	chi ; eng ; fre
Schlagworte:	MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL TRANSPORTING WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OFELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKESTHE PLACE OF A TOOL
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Beschreibung
Zusammenfassung:	An electrode wire, comprising a core material (1), a middle layer (2) located outside the core material (1), and a surface layer (3) located outside the middle layer (2). The core material (1) is metal or alloy, the middle layer (2) comprises a γ-phase copper-zinc alloy layer (20), and the surface layer (3) intermittently covers the γ-phase copper-zinc alloy layer (20); and the γ-phase copper-zinc alloy layer (20) has a massive β-phase and/or β'-phase copper-zinc alloy at an interface between the γ-phase copper-zinc alloy layer (20) and the surface layer (3). In the electrode wire preparation process, a γ-phase copper-zinc alloy layer and a massive β-phase and/or β'-phase copper-zinc alloy at an interface between the γ-phase copper-zinc alloy layer and a surface layer are formed in the electrode wire by means of electroplating, stretching, heat treatment and stretching processes, and the wire cutting speed during wire electrical discharge machining can be increased. L'invention concerne un fil d'électrode com