Abstract
Serious wear can easily occur in traditional abrasive belts during grinding nickel-based superalloy components. To find an abrasive belt with excellent wear resistance and surface finishing, this study uses electroplated diamond abrasive belt (EDAB) to grind Inconel718, and investigates its wear evolution and corresponding grinding surface integrity. It was revealed that EDAB showed stable grinding performance, and the wear mechanism in initial, steady, and final wear stage was primarily micro cleavage fracture, macro cleavage fracture and adhesive wear, respectively. As EDAB wore, ground surface roughness gradually decreased and reached a minimum of Ra0.5 µm, and subsurface crystalline grains of Inconel718 were refined. Furthermore, the abrasive belt wear was significantly reduced and the surface integrity was improved using low-hardness contact wheels.
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