Social Studies, 30.11.2019 03:31 edulak5726
Three identical fatigue specimens (denoted a, b, and c) are fabricated from a nonferrous alloy. each is subjected to one of the maximum-minimum stress cycles listed in the following table; the frequency is the same for all three tests.
specimen Ο_max (mpa) Ο_min (mpa)
a +450 -150
b +300 -300
c +500 -200
a. rank the fatigue lifetimes of these three specimens from the longest to the shortest.
b. now justify this ranking using a schematic s-n plot.
stress (s) - no. of cycles (n) plot:
Answers: 2
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Three identical fatigue specimens (denoted a, b, and c) are fabricated from a nonferrous alloy. each...
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