Page 187 - Biaxial Multiaxial Fatigue and Fracture
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Sequenced Axial and Torsional Cumulative Fatigue: ..
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                          1 00      10'      1 02     1 03     104      105
                                         Number of Cycles, n,

                                         (c) axialJtorsion


                   -

                   a
                   a
                   E.
                   a'
                   s
                   TSI
                   c
                   a
                   [r
                   u)
                   u)
                   E
                   6-3
                   z
                   a,
                   r
                  (I)

                          1 00     10'      1 02     103      104      105
                                        Number of Cycles, n1

                                         (d) torsiodaxial

           Fig. 1.  First  load  level  cyclic  stress  response  for:  (a)  axial/axial,  (b)  torsionltorsion, (c)
                 axidtorsion, and (d) torsion/axial cumulative fatigue experiments
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