Page 271 - Biaxial Multiaxial Fatigue and Fracture
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The Multiaxial Fatigue Strength of Specimens Containing Small Defects   255





























                Fig. 10. Comparison of predicted and experimental results for quenched and
                tempered SCM435 steel specimens containing a hole of 90 pm in diameter.


                            150   8   I   I   I   1   I   I   I   I   I   i   8   i
                         (d
                         a














                                    Experimental fatigue limit:
                                -   0  500pmhole


                               0           50         100         150
                                  Axial stress amplitude,  a,  MPa

                     Fig. 1 1.  Comparison of predicted and experimental results for high
                     strength brass specimens containing a hole of 500 pm in diameter.
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