Page 410 - Biaxial Multiaxial Fatigue and Fracture
P. 410

394                          M. FILIPPINI ET AL.

                            NEWCRITERION - MILD STEEL           NEWCRllERH--MILDSTEEL















                 lo'    10'   1 0'   1 0'   IO"   1 0'
                             Fatigue life [cydes]            Experimental fatigue life N, [cycles]

              Fig. 6. Comparison of experimental and calculated fatigue lives for MILD STEEL Sonsino-
              Grubisic criterion (previous page, bottom), new criterion (above)


















                                                            Experimental fatigue life NJcycIesJ
                                                                 NEWCR~ERION--MElMS
















                                                            Experimental fatigue life N, [cycles]
             Fig. 7: Comparison of experimental and calculated fatigue lives for SAE 1045 steel: Sonsino-
             Grubisic criterion (top), new criterion (bottom)
   405   406   407   408   409   410   411   412   413   414   415