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第 4 期                    袁才钦, 等: 铁路车轴过盈配合面微动损伤分析及有限元仿真                                       529


                                y         Contact edge                           y
                    S, mises      x                                  S, mises      x          Contact edge
                    (Avg:75%)   z                                    (Avg:75%)  z
                         +3.812e+02                                      +4.457e+02
                         +3.525e+02                                      +4.198e+02
                         +3.238e+02                                      +3.850e+02
                         +2.951e+02                                      +3.502e+02
                         +2.664e+02                                      +3.154e+02
                         +2.378e+02                                      +2.806e+02
                         +2.091e+02                                      +2.457e+02
                         +1.804e+02                                      +2.109e+02
                         +1.517e+02                                      +1.761e+02
                         +1.230e+02                                      +1.413e+02
                         +9.432e+01                                      +1.064e+02
                         +6.563e+01                                      +7.162e+01
                         +3.694e+01                                      +3.680e+01
                               (a) With debris                                (b) Without debris

                                       Fig. 19  Von-Mises stress distribution with or without debris
                                         图 19    考虑磨屑、不考虑磨屑时von Mises应力云图

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