A cylindrical steel bar 8 mm in diameter is loaded 1000 cycles per day with a load of 15560 N. How long until fatigue failure takes place? Note: stress = force/area %3D 500 450 400 350 Steel Allby 300 250 200 150 Brass Alloy 100 50 1.00E-04 1.00E-05 1.00E+06 1.00E-07 1.00E-08 1.00E-09 1.00E-10 Cycles to Failure, N The bar should not fatigue. , The bar will fail in one cycle. ) 100 days ) 1000 days
A cylindrical steel bar 8 mm in diameter is loaded 1000 cycles per day with a load of 15560 N. How long until fatigue failure takes place? Note: stress = force/area %3D 500 450 400 350 Steel Allby 300 250 200 150 Brass Alloy 100 50 1.00E-04 1.00E-05 1.00E+06 1.00E-07 1.00E-08 1.00E-09 1.00E-10 Cycles to Failure, N The bar should not fatigue. , The bar will fail in one cycle. ) 100 days ) 1000 days
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:A cylindrical steel bar 8 mm in diameter is
loaded 1000 cycles per day with a load
of 15560 N. How long until fatigue failure
takes place? Note: stress
force/area
500
450
400
350
Steel Allby
300
250
200
150
Brass Alloy
100
50
1.00E-07
Cycles to Failure, N
1.00E+04
1.00E+05
1.00E-06
1.00E+08
100E+09
1.00E+10
, The bar should not fatigue.
) The bar will fail in one cycle.
) 100 days
) 1000 days
Stress Amplitude, MPa
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