[solved]-The Yield Strength For An Alloy That Has An Average Grain Diameter Of 1 6 10 2 M

The yield strength for an alloy that has an average grain diameter of 1.6 × 10-2 mm is 320 mpa. at a grain diameter 3.9 × 10-3 mm, the yield strength increases to 480 mpa. at what grain diameter (in mm) will the yield strength be 441 mpa?

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