Engineering, 23.08.2021 20:20 emory238
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
A
B
C
σ
max
(MPa)
+450
+300
+500
σ
min
(MPa)
-150
-300
-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.
Answers: 1
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Three identical fatigue specimens (denoted A, B, and C) are fabricated from a nonferrous alloy. Each...
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