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5. A part is subjected only to bending loads and is fabricated from cast iron (brittle) with: = 345 MPa, S SUT a) = 10° 310.5 MPa, S. = 121 MPa 10° Sketch the appropriate material fatigue failure diagram for loading in which the mean stress is not zero (o #0). Be sure to include numerical values, units, and label axes. m b) If the loading is such that o is always 65 MPa, find o ea cycles is 2. c) If the loading is such that o Sea/σ em such that the safety factor for 10° em = 1.5, Find o and σ such that the safety factor for ea em 10 cycles is 2. Assume the loading increases proportionally.

5. A part is subjected only to bending loads and is fabricated from cast iron (brittle) with: = 345 MPa, S SUT a) = 10° 310.5 MPa, S. = 121 MPa 10° Sketch the appropriate material fatigue failure diagram for loading in which the mean stress is not zero (o #0). Be sure to include numerical values, units, and label axes. m b) If the loading is such that o is always 65 MPa, find o ea cycles is 2. c) If the loading is such that o Sea/σ em such that the safety factor for 10° em = 1.5, Find o and σ such that the safety factor for ea em 10 cycles is 2. Assume the loading increases proportionally.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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5. A part is subjected only to bending loads and is fabricated from cast iron (brittle) with: = 345 MPa, S SUT a) = 10° 310.5 MPa, S. = 121 MPa 10° Sketch the appropriate material fatigue failure diagram for loading in which the mean stress is not zero (o #0). Be sure to include numerical values, units, and label axes. m b) If the loading is such that o is always 65 MPa, find o ea cycles is 2. c) If the loading is such that o Sea/σ em such that the safety factor for 10° em = 1.5, Find o and σ such that the safety factor for ea em 10 cycles is 2. Assume the loading increases proportionally.
Transcribed Image Text:5. A part is subjected only to bending loads and is fabricated from cast iron (brittle) with: = 345 MPa, S SUT a) = 10° 310.5 MPa, S. = 121 MPa 10° Sketch the appropriate material fatigue failure diagram for loading in which the mean stress is not zero (o #0). Be sure to include numerical values, units, and label axes. m b) If the loading is such that o is always 65 MPa, find o ea cycles is 2. c) If the loading is such that o Sea/σ em such that the safety factor for 10° em = 1.5, Find o and σ such that the safety factor for ea em 10 cycles is 2. Assume the loading increases proportionally.
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