The plate shown below, is fabricated from steel with an SUT = 540 MPa, Sy = 415 MPa and a machined finish. Assume 95% reliability, and operating temperature of 250 °C. The plate is loaded axially with a force F, that varies as shown below: 80 mm- 40 mm 3 mm F: From 0 to Fo a) Sketch the o vs. t plot and find dem and dea. Write them as a function of Fo. b) Sketch the appropriate material fatigue failure diagram. Be sure to include numerical values, units, and label axes.
The plate shown below, is fabricated from steel with an SUT = 540 MPa, Sy = 415 MPa and a machined finish. Assume 95% reliability, and operating temperature of 250 °C. The plate is loaded axially with a force F, that varies as shown below: 80 mm- 40 mm 3 mm F: From 0 to Fo a) Sketch the o vs. t plot and find dem and dea. Write them as a function of Fo. b) Sketch the appropriate material fatigue failure diagram. Be sure to include numerical values, units, and label axes.
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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Transcribed Image Text:3. The plate shown below, is fabricated from steel with an SUT = 540 MPa, Sy = 415 MPa and a
machined finish. Assume 95% reliability, and operating temperature of 250 °C.
The plate is loaded axially with a force F, that varies as shown below:
80 mm
40 mm
%4
3mm
F: From 0 to Fo
a) Sketch the a vs. t plot and find dem and Jea. Write them as a function of Fo.
b) Sketch the appropriate material fatigue failure diagram. Be sure to include numerical values,
units, and label axes.
c) If it is desired to have a safety factor of 2, what is the loading Fo such that the plate has
infinite life? Assume the loads increase proportionally.
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