4. The average grain diameter for a brass material was measured as a function of time at T,which is tabulated below at two different times:Time (min)Grain Diameter (mm)30903.9 × 10-26.6 × 10-2(a) What was the original grain diameter (using n=2)?(b) What grain diameter would you predict after time, t, at temperature, T?Use T = 650 °C; t = 150 min; n = 2 in the grain size equation

Please see the attached image for the answer Explanation:

Answered: 4. The average grain diameter for a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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During 650°C, the average grain diameter of a brass material was measured as a function of time, as seen below at two distinct points of Time (min) Grain Diameter (mm) 30 3.9 × 10^-2 90 6.6 × 10^-2 a. What was the grain diameter at the start? (orig diameter) b. What is the expected grain diameter after 150 minutes at 650 °C?
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