Estimate the minimum bar diameter to prevent fatigue failure

Assignment Help Mechanical Engineering

Reference no: EM13216959

A steel bar, whose ultimate stress is 150,000 psi is subjected to a fluctuating tension-compression axial fatigue load that varies from a maximum of 75,000 lb in tension to a minimum of 25,000 lb in compression. Estimate the minimum bar diameter to prevent fatigue failure.

Reference no: EM13216959

Questions Cloud

Bantu-speaking peoples : By the A.D. 800s, Bantu-speaking peoples

What are the tensions in cables ab and ac : Two tow trucks lift a 660 lb motorcycle out of a ravine following an accident. If the motorcycle is in equilibrium in the position shown, what are the tensions in cables AB and AC?

Chloroform and either rapidly affect cells : What characteristic of cell membranes may explain why fat-soluble substances such as chloroform and either rapidly affect cells?

Freud''s psychosexual theory-erickson''s psychosocial theory : What are the similarities and differences in Freud's psychosexual theory and Erickson's psychosocial theory?

Estimate the minimum bar diameter to prevent fatigue failure : Estimate the minimum bar diameter to prevent fatigue failure.

Attention in the environments mentioned : What component of the overall security objective do you think deserves the most attention in the environments mentioned in the article? What components would be less pertinent for these particular environments during a vulnerability assessment?

At what rate is the circumference of a wave changing : a stone is dropped into a lake causing circular waves whos radii increase at a contant rate of .5 m/s at what rate is the circumference of a wave changing when its radius is 4 meters?

Find the cycle cop : An air conditioner in the airport of Timbuktu runs a cooling system using R-410a with a high pressure of 1500 kPa and a low pressure of 200 kPa. It should cool the desert air at 45 degrees C down to 15 degrees C. Find the cycle COP. Will the syste..

Determine the acceleration of the particle : The motion of a particle in defined by the relation x = t3 - 15 t2 - 20, where ‘x' is expressed in metres and ‘t' in seconds. Determine the acceleration of the particle at t = 3 seconds.

User Account

All Pages