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(Solved): The Fatigue behaviour of initially crack free aluminium 6061 is shown in Figu ...
The Fatigue behaviour of initially crack free aluminium 6061 is shown in Figure Q12. A component constructed from this alloy undergoes 2,000,000 cycles of loading at a stress amplitude of \( 100 \mathrm{MPa} \) and 10,000 cycles at \( 200 \mathrm{MPa} \). What proportion of it's fatigue life has been exceeded. Give your answer to 2 decimal places
Expert Answer
Here we are given that for stress amplitude ?1=100 MPawe have the number of cycles, n1 =