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GRAPHITE-COPPER COMPOSITE ELECTRODE MATERIAL AND ELECTRODE FOR ELECTRICAL DISCHARGE MACHINING USING SAID MATERIAL

机译:石墨-铜复合电极材料以及使用所述材料进行放电加工的电极

摘要

An object is to provide a graphite-copper composite electrode material that is capable of reducing electrode wear to a practically usable level and to provide an electrical discharge machining electrode using the material. A graphite-copper composite electrode material includes a substrate comprising a graphite material and having pores, and copper impregnated in the pores of the substrate, the electrode material having an electrical resistivity of 2.5 µ©m or less, preferably 1.5 µ©m or less, more preferably 1.0 µ©m or less. It is desirable that the substrate comprising the graphite material have an anisotropy ratio of 1.2 or less. It is desirable that an impregnation rate Õ of the copper in the electrode material is 13% or greater. It is desirable that the substrate comprising the graphite material have a bulk density of from 1.40 Mg/m 3 to 1.85 Mg/m 3 .
机译:一个目的是提供一种石墨-铜复合电极材料,该材料能够将电极磨损降低到实用水平,并提供一种使用该材料的放电加工电极。石墨-铜复合电极材料包括具有石墨材料并具有孔的基板和浸渍在该基板的孔中的铜,该电极材料的电阻率小于或等于2.5μm,优选小于或等于1.5μm。 ,更优选1.0μm或更小。期望包含石墨材料的基板的各向异性比为1.2或更小。希望电极材料中的铜的浸渗率φ为13%以上。期望包含石墨材料的基板的堆积密度为1.40Mg / m 3至1.85Mg / m 3。

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