316 SS underwent fatigue testing to produce the following S-N curve. a.If the material is cyclically loaded at 200 MPa, what is its expected lifebased off the graph below? b. (please see attachment for fatigue constants) If the material is cyclically loaded at 200MPa, based on these material constants what is its expected life?

316 SS underwent fatigue testing to produce the following S-N curve. a.If the material is cyclically loaded at 200 MPa, what is its expected lifebased off the graph below? b. (please see attachment for fatigue constants) If the material is cyclically loaded at 200MPa, based on these material constants what is its expected life?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

316 SS underwent fatigue testing to produce the following S-N curve.

a.If the material is cyclically loaded at 200 MPa, what is its expected lifebased off the graph below?

b. (please see attachment for fatigue constants) If the material is cyclically loaded at 200MPa, based on these material constants what is its expected life?

b. The fatigue constants were found to be:
of = 952MPA
%3D
b = -0.1112

400
350
300
250
-y= ax®
200
150
100
50
1.00E+03
1.00E+04
1.00E+05
1.00E+06
1.00E+07
1.00E+08
Reversal to Failure, 2Nr
Stress Amplitude, Ga (MPa)

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