Metallurgy

Question 1

Define. Cold working 🥶🦾

Answer 1

Change of cast structure to fibrous structure by make stresses obove the yield strength

Question 2

Give reason/ homogenization needs more time and energy than annealing?

Answer 2

Atomic diffusion is more difficult in cast structure than fibrous structure.

Question 3

Define. Solid state reaction🦾
. Heat treatment

Answer 3

Control of the physical properties of matter by heating and control the rate of cooling in the solid state.
Method of modified the mechanical properties by heating and control the rate of cooling in the solid state.