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33


                    Approximation based on forging






                             von Mises








                                                              


                                                     L           ave
                                                     µ          h


                                                                2

                                                          +
                             plane strain –
                                                         1                                                   Prof. Ramesh Singh, Notes by Dr.   Singh/ Dr. Colton
                                                               

                                                          flow                        average flow stress: due to shape of element



                                                          ⋅Y



                                                          15


                                                          .
                                                          1

                                                          =


                                                            ave


                                                          p
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