2. The Goodman diagram relates oa and om for fatigue failure after a specific num of cycles Nf, where da is the cyclic stress amplitude, and on the mean stress. Fo steel specimen it is found that oa oa (0).[1- (om/OTS)] where Ors is the metal's ten stress (375MPa), and oa (0)~0.450Ts is the 107 cycle fatigue limit at zero mean str Assuming the specimen is cycled repeatedly between 0 stress and a peak stress, w is the maximum peak stress if failure in < 107 cycles is to be avoided? Ans: 233 MPa
2. The Goodman diagram relates oa and om for fatigue failure after a specific num of cycles Nf, where da is the cyclic stress amplitude, and on the mean stress. Fo steel specimen it is found that oa oa (0).[1- (om/OTS)] where Ors is the metal's ten stress (375MPa), and oa (0)~0.450Ts is the 107 cycle fatigue limit at zero mean str Assuming the specimen is cycled repeatedly between 0 stress and a peak stress, w is the maximum peak stress if failure in < 107 cycles is to be avoided? Ans: 233 MPa
Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter9: Time, Temperature, And Mechanical Properties
Section: Chapter Questions
Problem 9.3P
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