Question: A titanium alloy fracture fixation device is expected to experience a cyclic stress amplitude of 5 5 0 MPa during walking. The device must maintain

A titanium alloy fracture fixation device is expected to experience a cyclic stress amplitude of 550 MPa during walking. The device must maintain its structural
integrity for at least 3 months to allow for bone consolidation. Assume that full weight bearing is allowed from the time of implantation, and do some internet
research to determine approximately how many steps a person may take in 3 months.
Based on the S-N curve of Ti-6Al-4V alloy below, would you be concerned about a potential fatigue failure? Why or why not?
900
A titanium alloy fracture fixation device is

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