What methods can be used to determine AISI 1020 and AISI 1040 hot carbon steel apart? What is the difference between AISI 1020 and AISI 1040 hot carbon steel?

Which of the following statements about recrystallisation of metals are true? Select one or more: a. Recrystallisation leads to an enhanced plastic deformability b. Cold working can change the recrystallisation temperature C. It leads to the formation of cold-worked grains with high dislocation density d. It leads to the formation of new grains with no or few dislocations The recrystallisation temperature is equal to the melting temperature Recrystallisation leads to an increase in yield strength e. f.

Describe the similarities and differences between the Lewis method and the Rigorous method.

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Aluminum is not as strong as steel. What other factor needs to be considered when comparing the desirability of aluminum versus steel if strength is an important consideration for a design?

If  Se is dopped with As  it will produce a(n) __________ semiconductor with __________ conductivity compared to pure Se.   A. p-type, decreased   B. n-type, decreased   C. p-type, increased   D. n-type, increased   E. intrinsic, identical

Where do we use Styrofoam cups for Calorimeters instead of glassware? What would happen if we used a glass beaker instead of Styrofoam?