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Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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fast in 20 min and thank you
DYBALA
Given the engineering stress-engineering strain diagram for an aluminum alloy initially
11 mm in diameter and 50 mm in length, calculate the following:
1. elongation at fracture
2. True stress at an engineering
strain of 0.04.
3. True strain at an engineering
strain of 0.04,
4. Elongation (AL) when a load
of 25 kN is applied.
5. Why does the engineering
stress-strain curve peak and
drop where as the true stress-
strain curve keep on going
up?
Stress (MPa)
400
300
200
100
0
0
10³ psi
MPa 50r
300
100
40
200-30
20
10-
لله اه
0.05
0.005
0.010
0.10
Strain
0.15
60
50
-40
30
20
0.20
10
Transcribed Image Text:i need clear ans and solve very very fast in 20 min and thank you DYBALA Given the engineering stress-engineering strain diagram for an aluminum alloy initially 11 mm in diameter and 50 mm in length, calculate the following: 1. elongation at fracture 2. True stress at an engineering strain of 0.04. 3. True strain at an engineering strain of 0.04, 4. Elongation (AL) when a load of 25 kN is applied. 5. Why does the engineering stress-strain curve peak and drop where as the true stress- strain curve keep on going up? Stress (MPa) 400 300 200 100 0 0 10³ psi MPa 50r 300 100 40 200-30 20 10- لله اه 0.05 0.005 0.010 0.10 Strain 0.15 60 50 -40 30 20 0.20 10
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