Abstract

The contour plot analysis of parameters on bend force is carried out in nickel-coated mild steel sheets using response surface methodology (RSM). The contour plot analysis includes various parameters, namely as punch travel (mm), strain hardening index, holding time (min), punch velocity (mm/s) and width of the sheet (mm) on the bend force. The experimental analysis is achieved through central composite design (CCD). The linear and quadratic polynomial equations are used to predict the mathematical models. Finally, concluded that the proposed models predict the response satisfactorily within the limits and the punch travel is the main significant parameter on bend force. The holding time and strain hardening index provide less effect on bend force.

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