The time taken for 50% recrystallization of cold worked Al is 100 hours at 500 K and 10 minutes at 600 K. Assuming Arrhenius kinetics, the activation energy for recrystallization in kJ is (A) 50 (B) 80 (C) 160 (D) 320
The time taken for 50% recrystallization of cold worked Al is 100 hours at 500 K and 10 minutes at 600 K. Assuming Arrhenius kinetics, the activation energy for recrystallization in kJ is (A) 50 (B) 80 (C) 160 (D) 320
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is it 160 kj
is it 160 kj
See lessyes, can you give the solution
yes, can you give the solution
See lessThe activation energy is coming 159.53 Kj/mol
The activation energy is coming 159.53 Kj/mol
See lessThe times for a 50% recrystallization of pure copper are 1 minute at 162 °C and 1,000 minutes at 72 °C. Estimate the time for 50% recrystallization at 20 °C. Discuss what changes you expect to occur in the mechanical properties of a cold worked copper over a period of 10 years. (Answer: t=260Read more
The times for a 50% recrystallization of pure copper are 1 minute at 162 °C and 1,000 minutes at 72 °C. Estimate the time for 50% recrystallization at 20 °C. Discuss what changes you expect to occur in the mechanical properties of a cold worked copper over a period of 10 years.
(Answer: t=260 days)
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