Tungsten Copper Electrode Infiltration VIII

For instance, the density of W60-Cu tungsten copper electrode increases 12.7-12.8g/cm³ to 13.2-13.3g/cm³ after hot isostatic pressing (HIP), the hardness increases 50-70HRB to 80HRB, the bending strength increases 550-750MPa to 1000MPa and the electric conductivity can reaches 60%IACS. Foreign scholars adopt cold-rolling to tungsten copper machining and study the effects of distortion on properties. The result shows that with the increasing distortion, hardness and strength will be remarkably improved and annealing in time will promote the mechanical properties.

In conclusion, tungsten copper electrode infiltration has many advantages, such as high density, good thermal and electric conductivity. However, there are some problems that difficult for complex-shape machining, copper solidifying phase uneven distribution and the higher cost of surplus copper removal.

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