Answered: 700 L 600 500- (A1)+ (A1)+ O 400 (A1)…

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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Question

You have an Al 2024 alloy with predominantly (Al) and some CuAl2 (450ºC and 3 wt. % Cu). Most of the CuAl2 has gotten larger and diffused to the grain boundaries to give you the microstructure shown below on the right side. After testing the hardness of the sample is determined that it's too soft and not mechanically strong enough. Being specific regarding temperatures and times (or endpoint conditions), develop a method to make the Al 2024 alloy as hard as it can get. Show microstructural diagrams after each step.

700-
L
600
500
(A1)+
(A1)+ O
400
(A1)
10
20
30
40
50
A1
Weight Percent Copper
Temperature, °C

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