A material presents S-N fatigue behaviour shown on the right with the fatigue limit being 100 MPa. If a cylindrical bar made from the material has a diameter of 20 mm is subjected to repeated tensile stress along its axis, calculate the maximum allowable tensile load to ensure occurrence of fatigue failure. no Stress amplitude, S Fatigue limit 10³ 104 105 106 107 Cycles to failure, N (logarithmic scale) 108 10⁹ 1010

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A material presents S-N fatigue
behaviour shown on the right with the fatigue
limit being 100 MPa. If a cylindrical bar
made from the material has a diameter of 20
mm is subjected to repeated tensile stress
along its axis, calculate the maximum
allowable tensile load to ensure no
occurrence of fatigue failure.
Stress amplitude, S
Fatigue
limit
103
104
105
106
107
Cycles to failure, N
(logarithmic scale)
108
10⁹
1010
Transcribed Image Text:A material presents S-N fatigue behaviour shown on the right with the fatigue limit being 100 MPa. If a cylindrical bar made from the material has a diameter of 20 mm is subjected to repeated tensile stress along its axis, calculate the maximum allowable tensile load to ensure no occurrence of fatigue failure. Stress amplitude, S Fatigue limit 103 104 105 106 107 Cycles to failure, N (logarithmic scale) 108 10⁹ 1010
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