A metal rod having a diameter of 10 mm is subjected to a repeated tensile load. The material of the rod has a tensile strength of 290 MPa and a fatigue failure behavior as shown in the figure. How many load repetitions can be applied to this rod before it fails if the magnitude of the load is a.) 5 kN, b.) 11 kN? (include clear explanation for the process to be understandable)
A metal rod having a diameter of 10 mm is subjected to a repeated tensile load. The material of the rod has a tensile strength of 290 MPa and a fatigue failure behavior as shown in the figure. How many load repetitions can be applied to this rod before it fails if the magnitude of the load is a.) 5 kN, b.) 11 kN? (include clear explanation for the process to be understandable)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
A metal rod having a diameter of 10 mm is subjected to a repeated tensile load. The material
of the rod has a tensile strength of 290 MPa and a fatigue failure behavior as shown in the
figure. How many load repetitions can be applied to this rod before it fails if the magnitude of
the load is a.) 5 kN, b.) 11 kN?
(include clear explanation for the process to be understandable)
Transcribed Image Text:0.8
0.6
0.4
Endurance
limit
0.2
1
102
103
104
105
106
107
108
Number of cycles to failure
Applied stress/Strength
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