Various standards define creep feed grinding as a peripheral grinding process with a relatively large depth of cut a e and accordingly low feed rate v f (ISO 3002-5 1989; VDI 3390 2014; VDI 3391 2016 ). Commonly, surface grinding is referred to as creep feed grinding when depth of cut a e ≥0.1 mm and a feed rate v f ≤3,000 mm/min are …
The coolant application in grinding processes is becoming increasingly more important as higher stock removal rates are required in for example the manufacture of gas turbine parts. In order to optimize the fluid application, a coherent jet is needed to provide a controlled and directed coolant stream into the grinding zone, and prevent thermal damage of the …
The damage mechanics-based creep model uses a scalar damage parameter. This creep model is coupled with finite element analysis to predict the evolution of stress and creep damage over the entire airfoil. Visualization of the creep damage evolution over the airfoil shows the regions that are most susceptible to failure by creep.
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