The fatigue data for a brass alloy are given as follows (a) Make an S N plot (stress amplitude versus logarithm cycles to failure) using these data (b) Determine the fatigue strength at 5 Atilde 105 cycles (c) Determine the fatigue life for 200 MPa Stress Amplitude (MPa) 310 223 191 168 153 143 134 127 Cycles to Failure 2 x 10 110 310 1 x 10 3 x 10 110 3108 1 x 10

Question: The fatigue data for a brass alloy are given as follows: (a) Make an S-N plot (stress amplitude versus logarithm cycles to failure) using these

The fatigue data for a brass alloy are given as follows:

(a) Make an S-N plot (stress amplitude versus logarithm cycles to failure) using these data.
(b) Determine the fatigue strength at 5 Ã— 105 cycles.
(c) Determine the fatigue life for 200 MPa.

Stress Amplitude (MPa) 310 223 191 168 153 143 134 127 Cycles to Failure 2 x 10 110 310 1 x 10 3 x 10 110 3108 1 x 10

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