1) In regards to the cross-sections of straight members, what two axes coincide? 2) Give the...

1) In regards to the cross-sections of straight members, what two axes coincide?

2) Give the two equations known as the curved-beam formula. Define each variable.

3) As discussed in class, what is the theory of failure for ductile materials?

4) As discussed in class, what is the theory of failure for brittle materials?

5) What is the most common mechanism of yielding of a ductile material, such as steel?

6) The yield stress for a zirconium-magnesium alloy is ?Y = 15.3 ksi. If a machine part is made of this material and a critical point in the material is subjected to in-plane principal stresses ?1 and ?2 = -0.5?1, determine the magnitude of ?1 that will cause yielding according to the maximum shear stress theory.

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samet mamat answered 1 year ago

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