Abstract
In this study, hot closed-die forging process of an AA7075 connective part was simulated using finite volume method to analyse the Coulomb–Amonton’s and Prandtl’s constant friction laws to compare their effects on the pressure (load), effective stress, effective plastic strain, effective strain rate and maximum principal stress. In order to validate the simulation results, experimental test was performed. A good agreement was found between the numerical and experimental results. It was shown that considerable differences exist between the two friction laws. When Coulomb–Amonton’s friction law was used in the hot closed-die forging process of AA7075, friction was easily underestimated; meaning that the maximum forging pressure and forging load were overestimated up to twofold.
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Schedule a callMore From: International Journal on Interactive Design and Manufacturing (IJIDeM)
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