Does the strength of a metal always increase as dislocation density increases? Explain.
Does the strength of a metal always increase as dislocation density increases? Explain.
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
Does the strength of a metal always increase as
dislocation density increases? Explain.
Expert Solution
Step 1
The strength of metal can be increased by increasing the yield strength. To increase yield strength processes like cold working, and many temperature treatments are used. During this process, the dislocations will increase. Thus, the dislocation density also increases.
The dislocation density can be expressed as the line length per unit volume.
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