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本发明是关于放电加工电极及电器触头用 Cu-W 系烧结合金材料的制造方法。该发明具有如下特征:将粒径为1～10μm 的 W粉30～95wt%与5～70wt%的 Cu 粉混合,并填充在薄壁金属型腔中,经850°～1100℃加热,挤出比(挤压坯块直径与挤出条材的直
The present invention relates to a method of manufacturing a Cu-W sintered alloy material for an electrical discharge machining electrode and an electrical contact. The invention has the following characteristics: 30 to 95 wt% of W powder with the grain size of 1 to 10 μm and 5 to 70 wt% of Cu powder are mixed and packed in a thin-walled metal cavity and heated at 850 ° -100 ° C. to extrude Ratio (Extruded billet diameter and extrusion of the bar straight