Normalising of an object does not________________________?
Correct answer: B. Improve ductility
- A. Refine coarse grain structure obtained during hot working
- B. Improve ductility
- C. Improve yield strength
- D. Improve mechanical properties
Explanation
Normalising refines the grain structure and generally raises strength, including yield strength, while improving overall mechanical properties. Its usual trade-off is reduced ductility compared with annealing, making ductility the intended exception.
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