Recent content by stressdave

Is there a minimum coil wrap diameter to avoid yield?

What would be the minimum coil wrap diameter of this strip stock?

I am not familiar with the limit state method. Let me ask a new question. What is the recommended coil wrap diameter of a .053 inch thick x .345 inch wide steel strip that will not yield the metal?

Let me rephrase the question. How much force would it take to bend a strip of very stiffness 360 degrees around a 20 inch mandrel? The length of strip would be approximately 67 inches.

Thanks again

It is spring steel per ASTM A313. The thickness is only .053 inch. The part is stowed in 70 deg F environment. I can't image creep will occur.

Thanks for the reply. I have a 192 inch long steel strip of very low stiffness. We form it into a circle by hand and attach ends with fasteners. It is stowed by twisting it into a circle of 21 inches for stowage on the ISS. The question has been asked is what amount, if any, or creep, or...

I need to calculate the force or moment required to bend a thin strip into a circle