QUESTION 12The Fatigue behaviour of initially crack free aluminium 6061 is shown in Figure Q12. A component constructed from this alloy undergoes 100,000 cycles ofloading at a stress amplitude of 150 MPa and 10,000 cycles at 200 MPa. What proportion of it's fatigue life has been exceeded. Give your answer to 2 decimalplaces300o (MPa)200250 LLVU-L LUb 1501005010³cronI ⠀⠀I1III104IIOLUTENHETHNI117101IIIIII1IHH-TTHHR-100IInnHLLUCE105IO'HIIMIOIILLUWE1II-4L4HIIIStress Ratio R=-1o Test PointI⠀⠀⠀⠀⠀1wwww10!!!1700-cronHTHQII-TTHITTHHI11107IO!!!!!ITO108III44IIII111117100I11106NFigure 12: S-N curve of 6061-T6 aluminium alloy - Bai et al: Sensors 14 (2014), 4364-4383******10⁹

Given: For the life of →N1=100000 cycles of loading, the stress amplitude is: →σ1=150 MPa And for…

The Fatigue behaviour of initially crack free aluminium 6061 is shown in Figure Q12. A component constructed from this alloy undergoes 100,000 cycles of loading at a stress amplitude of 150 MPa and 10,000 cycles at 200 MPa. What proportion of it's fatigue life has been exceeded. Give your answer to 2 decimal places 300 o (MPa) 250 200 150 100 50 10³ 10* 105 10 N Stress Ratio R=-1 o Test Point 107 TOLL **** 108 10⁹

The Fatigue behaviour of initially crack free aluminium 6061 is shown in Figure Q12. A component constructed from this alloy undergoes 100,000 cycles of loading at a stress amplitude of 150 MPa and 10,000 cycles at 200 MPa. What proportion of it's fatigue life has been exceeded. Give your answer to 2 decimal places 300 o (MPa) 250 200 150 100 50 10³ 10* 105 10 N Stress Ratio R=-1 o Test Point 107 TOLL **** 108 10⁹

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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