Forging and Wire Drawing - II Starter Quiz

Which of the following forming operation is always a cold forming?

Barelling defect in open forging can be removed by ____.

A rectangular bar of length, width and height as 2L, b and h respectively is open forged. It sticking is to occurs, the stickling length is given by _______________.

(μ = coefficient of friction).

A floating mandrel is used in ____.

In a wire drawing operation, diameter of steel wire is reduced from 10 mm to 8 mm. The ideal force required for drawing (ignore friction) is 8.97 kN. The mean flow stress in MPa is ________.

A material is being wire drawn , the power law behavior for which is expressed as σ=50ε^0.3. The maximum strain in the material per pass in an annealed condition, correct to two decimal places is ___________.(Assume no friction and back pull.)