Mechanical Engineering There is a spring with a repeated compressive load between 50N and 100N. Calculate the fatigue life and natural frequency of the following springs. (D = 50mm, d = 5mm, N = 10, r = 7800kg/m3, G = 75GPA, nsafe = 1.25) Shear Strength Unit Static intensity 140 MPa 2.15 Fatigue strength (S = 10°N Mpa) -0.05

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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Mechanical Engineering
There is a spring with a repeated
compressive load between 50N and 10ON.
Calculate the fatigue life and natural
frequency of the following springs.
(D = 50mm, d = 5mm, N = 10, r =
7800kg/m3, G = 75GPA, nsafe = 1.25)
%D
Shear Strength
Unit
Static intensity
140
MPa
2.15
Fatigue strength
(S = 10 N Mpa)
b
-0.05
Transcribed Image Text:Mechanical Engineering There is a spring with a repeated compressive load between 50N and 10ON. Calculate the fatigue life and natural frequency of the following springs. (D = 50mm, d = 5mm, N = 10, r = 7800kg/m3, G = 75GPA, nsafe = 1.25) %D Shear Strength Unit Static intensity 140 MPa 2.15 Fatigue strength (S = 10 N Mpa) b -0.05
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