Grain Grain Diameter $2(mm)$:$=6\mathrm{.}30E-03$

Yield Stress $2(MPa)$:$=272$

Specimen $1$ Initial Radius $($mm$)$: $=19$

Specimen $1$ Final Radius $($mm$)$: $=14$

Specimen $2$ Initial Radius $($mm$)$: $=7$

Problem $1$ Part A:

$=K{}_T^n$

is $860$MPa$(125,000).$ Calculate the value of n $.($Write your answer with $2$ decimal places$)$

Your Answer $=$

icorrect.

Problem $1$ Part B:

$=K{}_T^n$

is $860$ MPa $(125,000).$ Calculate the true strain for this material at the applied true stress listed above. $($Write your answer to the thousandths place $0\mathrm{.}000)$

Your Answer $=$

Incorrect,

Problem $2$:

For pure metals, the recrystallization temperature is normally about $x^{*}{T}_m,$ where $T_m$ is the melting temperature, what is $x?$Problem $2$:

For pure metals, the recrystallization temperature is normally about $x^{*}{T}_m,$ where $T_m$ is the melting temperature, what is x $?$

Your Answer $=4$

Incorrect.

Problem $3$:

The yield strength for an alloy that has an average grain diameter, d $1,$ is listed Tabove as Yield Stress $1.$ At a grain diameter of d$2,$ the yield strength increases Yield Stress $2.$ At what grain diameter, in mm$,$ will the yield st

be $217$ MPa $?($Answer to the ten thousands place $0\mathrm{.}0000)$

Your Answer $=$