Different types of surface damage: (a) Material smearing and surface tears, (b) Recasting layer and breakage of carbide, (c) Side flow and material smearing, (d) Cavity, ridges and grooves

Different types of surface damage: (a) Material smearing and surface tears, (b) Recasting layer and breakage of carbide, (c) Side flow and material smearing, (d) Cavity, ridges and grooves

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Inconel 718 (IN718) alloy is widely applied to fabricate high temperature resistant or corrosion resistant parts due to its excellent mechanical performance. However, the machining of IN718 alloy is difficult as it may cause serious tool wear and poor surface quality (SQ) of the workpiece. In this work, grinding experiments on IN718 alloy at differ...

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... the grinding process, several types of surface damage can be observed, including surface tears, breakage of carbide, recasting layer, side flow, material smearing, cavity, ridges and grooves. The typical morphology is shown in Figure 3. The breakage of carbide occurs in all studied velocity ranges. ...