Question

The amount of cold work which can be-performed on a tensile specimen or in wire drawing is limited by the onset of necking and subsequent fracture within the neck. What is the maximum amount of uniform strain (i.e.prior to necking) that a tensile specimen of the fully -, and what is the

52% and 39%----39% and 33%----1.2% and 1.1----%52% and 42%

Fig: 1

Fig: 2

Fig: 3