Answered: 160 100 fracture 80 4mm 3mm 0.02 0.06…

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

The stress-strain curve of a thermoset material is given in the figure below. Calculate the total strain energy at the point of fracture for a cylinder (diameter = 3mm and length = 4mm) made from this thermoset material.

160
100
fracture
80
4mm
3mm
0.02
0.06
0.15
Strain
Stress (MPa)

Expert Solution

Step 1

$G i v e n S t r e s s a t t h e p o i n t o f f r a c t u r e = 100 M P a = 100 \times 10^{6} P a S t r a i n a t t h e p o i n t o f f r a c t u r e = 0.15 V o l u m e o f c y l i n d e r = π r^{2} h = π \times 1 . 5^{2} \times 4 = 28.27 m m^{3^{}}$

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