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Suppose that the fatigue data shown in the Animated Figure: S-N Plot for Steel is for a steel alloy that was tested using bending- rotating tests. A rod of this alloy is to be used for an automobile axle that rotates at an average rotational velocity of 1000 revolutions per minute. Give the maximum lifetimes of continuous driving that are allowable for the following stress levels: (a) 450 MPa i (b) 380 MPa i (c) 310 MPa i hours hours hours

Suppose that the fatigue data shown in the Animated Figure: S-N Plot for Steel is for a steel alloy that was tested using bending- rotating tests. A rod of this alloy is to be used for an automobile axle that rotates at an average rotational velocity of 1000 revolutions per minute. Give the maximum lifetimes of continuous driving that are allowable for the following stress levels: (a) 450 MPa i (b) 380 MPa i (c) 310 MPa i hours hours hours

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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Suppose that the fatigue data shown in the Animated Figure: S-N Plot for Steel is for a steel alloy that was tested using bending- rotating tests. A rod of this alloy is to be used for an automobile axle that rotates at an average rotational velocity of 1000 revolutions per minute. Give the maximum lifetimes of continuous driving that are allowable for the following stress levels: (a) 450 MPa i (b) 380 MPa (c) 310 MPa hours hours hours
Transcribed Image Text:Suppose that the fatigue data shown in the Animated Figure: S-N Plot for Steel is for a steel alloy that was tested using bending- rotating tests. A rod of this alloy is to be used for an automobile axle that rotates at an average rotational velocity of 1000 revolutions per minute. Give the maximum lifetimes of continuous driving that are allowable for the following stress levels: (a) 450 MPa i (b) 380 MPa (c) 310 MPa hours hours hours
Stress amplitude (MPa) 500 450 400 350 300 250 103 104 Cycles to failure = 1E 3 |Stress = 250 MPa 105 106 Cycles to failure 107 108 10⁹
Transcribed Image Text:Stress amplitude (MPa) 500 450 400 350 300 250 103 104 Cycles to failure = 1E 3 |Stress = 250 MPa 105 106 Cycles to failure 107 108 10⁹
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