Question $2$

$\frac{0}{8}$ pts

Estimate increase in tensile yield stress in MPa of aluminum due to an array of equally spaced spherical second phase precipitates, where the volume fraction of the second phase is $8\%$ and the precipitate diameter is $1\mathrm{.}45$ mm $.$ The Burgers vector for aluminum is $b=0\mathrm{.}29nm,$ and the shear modulus is G$=27$GPa.

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$1$

Correct Answer

$8\mathrm{.}66$ margin of error $+/-1\%$