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                 268   Mechanical Engineering Design
                  Figure 6–2

                  Schematics of fatigue fracture
                  surfaces produced in smooth
                  and notched components with
                  round and rectangular cross
                  sections under various loading
                  conditions and nominal stress
                  levels. (From ASM Metals
                  Handbook, Vol. 11: Failure
                  Analysis and Prevention, 1986,
                  ASM International, Materials
                  Park, OH 44073-0002, fig 18,
                  p. 111. Reprinted by permission
                                ®
                  of ASM International ,
                  www.asminternational.org.)
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