Explain Miner's Rule and discuss the limitation in applying Miner'sRule.An engine crankshaft is found to have the following fatigue lifecharacteristics: At operating stress of 420MPa, the number of cycles tofailure is 65 cycles. At operating stress of 360MPa, the number ofcycles to failure is 390 cycles, and at operating stress of 130MPa, thenumber of cycles to failure is 11,900 cycles.(i) Apply Miner's Rule, find the fraction of life exhausted under each ofthe stress level.Determine how many times the following sequence can be repeated.Operating stress of 420MPa for 7 cycles, operating stress of 360MPafor 65 cycles, and operating stress of 130MPa for 325 cycles.Find the endurance limit and fatigue life corresponding to the stressamplitude of 675MPa from the SN curve for ultra-high strength steelTM210A test data as shown in Figure Q3,795775#Material: TM210ASpecimen: SmoothTest condition: Kt=1,R=-1755735Fitting curveXBroken7150Run out695675655635615595106Number of cycles to failure, NFigure Q33. (a)(b)(c)Stress amplitude,MPa9755755551058xxX107

The power capacity of a Gear Drive is a critical aspect in ensuring that driven equipment runs…

Answered: Explain Miner's Rule and discuss the…

Engineering

Mechanical Engineering

Explain Miner's Rule and discuss the limitation in applying Miner's Rule.

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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