Applied stress (MPa) 827.4 Tool steel 689.5- 551.6 413.7 275.8 Aluminum alloy 137.9 10 100,000 cycle fatigue life at 90,000 psi applied stress Endurance limit = 414 MPa 10$ 10% Number of cycles 107 108 Figure 1: The stress-number of cycles to failure (S-N) curve for a tool steel.
Applied stress (MPa) 827.4 Tool steel 689.5- 551.6 413.7 275.8 Aluminum alloy 137.9 10 100,000 cycle fatigue life at 90,000 psi applied stress Endurance limit = 414 MPa 10$ 10% Number of cycles 107 108 Figure 1: The stress-number of cycles to failure (S-N) curve for a tool steel.
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
Related questions
Question
Qs 2. A cylindrical tool steel specimen that is 152.4 mm long and 6.35 mm in diameter as shown
Figure 1 rotates as a cantilever beam. It is designed so that failure never occurs. Assuming that the maximum tensile and compressive stresses are equal, evaluate the maximum load that can be applied to the end of the beam.
Transcribed Image Text:Applied stress (MPa)
827.4
Tool steel
689.5-
551.6
413.7
275.8
Aluminum alloy
137.9
10
100,000 cycle fatigue life
at 90,000 psi applied stress
Endurance limit = 414 MPa
10$
10%
Number of cycles
107
108
Figure 1: The stress-number of cycles to failure (S-N) curve for a tool steel.
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