14. Recrystallization type anncals a reduce electrical conductivity h. reduce pr

Question

14. Recrystallization type anncals a reduce electrical conductivity h. reduce prior cold work and enable cold work to be done. e. increase the tensile streng d typically occur at the lowest temperatures e normally cause grain growth 15, A metal part is fabricated using a cold forming process (e.g, stamping, bending) that imparts certain desirable mechanical peoperties to the part which is then going to be machined. To avoid possible distortion unexpected bending or warping) you shoul a give it a recovery anneal. c. hot work it d. refrigerate it before machining e anneal it to encourage grain growth 16. T/F Grain growth during heating at high temperatures is driven by imterfacial energy associated with grain boundaries 17. T/F Strain-free grains begin to form during the macleation period of the recovery stage

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Recrystallization annealling ia applied to cold worked materials to get new undeformed grains due to nucleation and growth so that further cold work can be done. Hence SECOND OPTION is correct.

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