Transcript Document 7642673

ME 307 Machine Design I
Dr. A. Aziz Bazoune
King Fahd University of Petroleum & Minerals
Mechanical Engineering Department
Dr. A. Bazoune
Chapter 7: Fatigue Failure Resulting from variable Loading
CH-07
LEC 24
Slide 1
ME 307 Machine Design I
Dr. A. Bazoune
Chapter 7: Fatigue Failure Resulting from variable Loading
CH-07
LEC 24
Slide 2
ME 307 Machine Design I
(Textbook)
SOLUTION
Dr. A. Bazoune
Chapter 7: Fatigue Failure Resulting from variable Loading
CH-07
LEC 24
Slide 3
ME 307 Machine Design I
(Textbook)
SOLUTION
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Dr. A. Bazoune
Chapter 7: Fatigue Failure Resulting from variable Loading
CH-07
LEC 24
Slide 4
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ME 307 Machine Design I
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Dr. A. Bazoune
Chapter 7: Fatigue Failure Resulting from variable Loading
CH-07
LEC 24
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ME 307 Machine Design I
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Dr. A. Bazoune
Chapter 7: Fatigue Failure Resulting from variable Loading
CH-07
LEC 24
Slide 6
ME 307 Machine Design I
(Textbook)
Figure 7-22
SOLUTION
Dr. A. Bazoune
Chapter 7: Fatigue Failure Resulting from variable Loading
CH-07
LEC 24
Slide 7
ME 307 Machine Design I
(Textbook)
Dr. A. Bazoune
Chapter 7: Fatigue Failure Resulting from variable Loading
CH-07
LEC 24
Slide 8
ME 307 Machine Design I
· Failure will probably occur at B rather
than C or at the point of maximum
bending moment.
· Point B has:
- a smaller cross-section
- a higher bending moment
- a higher stress concentration
factor than C.
· Location of the maximum bending
moment has a larger size and no stress
concentration.
Dr. A. Bazoune
Chapter 7: Fatigue Failure Resulting from variable Loading
CH-07
LEC 24
Slide 9
ME 307 Machine Design I
Dr. A. Bazoune
Chapter 7: Fatigue Failure Resulting from variable Loading
CH-07
LEC 24
Slide 10
ME 307 Machine Design I
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Dr. A. Bazoune
Chapter 7: Fatigue Failure Resulting from variable Loading
CH-07
LEC 24
Slide 11
ME 307 Machine Design I
Dr. A. Bazoune
Chapter 7: Fatigue Failure Resulting from variable Loading
CH-07
LEC 24
Slide 12
ME 307 Machine Design I
Dr. A. Bazoune
Chapter 7: Fatigue Failure Resulting from variable Loading
CH-07
LEC 24
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ME 307 Machine Design I
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Dr. A. Bazoune
Chapter 7: Fatigue Failure Resulting from variable Loading
CH-07
LEC 24
Slide 14