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

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Thermal Properties of Materials

In mechanical engineering, the thermal property is represented as the physical quantity that is relevant to the application of heat. The thermal properties are evaluated by variations in any specific material due to low heat or high heat. The quantities that influence the thermal property of the materials are mass, density, temperature, and many others.