Study of Crack Formation and Re-Solidified Layer in EDM Process on T90Mn2W50Cr45 Tool Steel
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1. The crack formation is influenced by the base material (T90Mn2W50Cr45 tool steel) properties, electrode wear, and resolidified layer 2. It was found that the pulse current is directly proportional with resolidified layer thickness and crack density. 3. When hydrocarbon is used as dielectric fluid under the condition of high pulse on duration and low average current, it leads to crack formation on the machined outer surface. 4. The crack formed on the surface propagates vertically downward to the middle layer and is eliminated at this interface. 5. 对各种加工表面进行了一系类的总结 从发发现使用RSM的电火花相关研究。 |
Review of research work in sinking EDM and WEDM on metal matrix composite materialsSurface integrity in material removal processes: Recent advancesMicrostructure at submicron scale of the white layer produced by EDM technique
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