(b) Dis s the three types of imperfections that are product. likely to be found in solid mild steel

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Answer part b
QUESTION HREE
(ar Usin solidification process and appropriate sketches, briefly describe how a grain
stru re of mild steel is obtained from molten mild steel.
(b) Dis s the three types of imperfections that are likely to be found in solid mild steel
product.
(c) The equation N, = Nexp (-) gives the equilibrium number of vacancies, Ny. Answer
%3!
the following:
Determine the total number of atomic sites, N, given that the density and atomic
mass of aluminium are 2.6 g/cm' and 26.98 g/mol respectively and Avogadro's
constant, Na is equal to 6.023 x 1023atoms/mol.
(i)
(ii)
Determine the number of vacancies at a temperature of 960°C, if Qu 1.2 eV and
k = 8.62 x 10-SeV/atom-K.
Transcribed Image Text:QUESTION HREE (ar Usin solidification process and appropriate sketches, briefly describe how a grain stru re of mild steel is obtained from molten mild steel. (b) Dis s the three types of imperfections that are likely to be found in solid mild steel product. (c) The equation N, = Nexp (-) gives the equilibrium number of vacancies, Ny. Answer %3! the following: Determine the total number of atomic sites, N, given that the density and atomic mass of aluminium are 2.6 g/cm' and 26.98 g/mol respectively and Avogadro's constant, Na is equal to 6.023 x 1023atoms/mol. (i) (ii) Determine the number of vacancies at a temperature of 960°C, if Qu 1.2 eV and k = 8.62 x 10-SeV/atom-K.
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