7) In plastic strain, if flow stress changes from 01 to o2 and temperature ranges from T1 to T2 . After the temperature comes to equilibrium, the activation energy is given by (Where R is universal gas constant) TT, = Rln ()-T, 0 = TT2 Rln () T-T: Q

7) In plastic strain, if flow stress changes from 01 to o2 and temperature ranges from T1 to T2 . After the temperature comes to equilibrium, the activation energy is given by (Where R is universal gas constant) TT, = Rln ()-T, 0 = TT2 Rln () T-T: Q

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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7) In plastic strain, if flow stress changes from
01 to o2 and temperature ranges from
T1 to T2 . After the temperature comes to
equilibrium, the activation energy is given by
(Where R is universal gas constant)
O Q =
RIn ()T-T,
O Q =
TT2
Rln ()T-T1
O Q =
Ti+T2
RIn () -T2
T1/T2
O
Q = Rln ().
02/ T1-T2

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