Given the stress strain curves of 4 samples containing different melanin compositions. The initial length of the models is 15 cm and their initial diameter is 10 mm. A. For tpu1 material (red curve) only: Calculate true tensile and yield strength B. Only tpu1 material (red curve) should be used as a wire for hanging a 100 kg load. Calculate the required diameter. If not, calculate the number of rods needed to withstand the load. C. Pristine material (purple curve) only should be used as a wire for hanging a load of 2000 kg. Calculate the required diameter. If not, calculate the number of rods needed to withstand the load.

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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Stress (MPa)
1000-
800
600
400-
200
0
0.0
- PMMA 1%
TPU 1%
Ultem 1%
Pristine
0.4
0.8
1.2
1.6
Strain (%)
2.0
2.4
2.8
Transcribed Image Text:Stress (MPa) 1000- 800 600 400- 200 0 0.0 - PMMA 1% TPU 1% Ultem 1% Pristine 0.4 0.8 1.2 1.6 Strain (%) 2.0 2.4 2.8
Given the stress strain curves of 4 samples containing different
melanin compositions. The initial length of the models is 15 cm and
their initial diameter is 10 mm.
A. For tpu1 material (red curve) only: Calculate true tensile and yield
strength
B. Only tpu1 material (red curve) should be used as a wire for hanging
a 100 kg load. Calculate the required diameter. If not, calculate the
number of rods needed to withstand the load.
C. Pristine material (purple curve) only should be used as a wire for
hanging a load of 2000 kg. Calculate the required diameter. If not,
calculate the number of rods needed to withstand the load.
Transcribed Image Text:Given the stress strain curves of 4 samples containing different melanin compositions. The initial length of the models is 15 cm and their initial diameter is 10 mm. A. For tpu1 material (red curve) only: Calculate true tensile and yield strength B. Only tpu1 material (red curve) should be used as a wire for hanging a 100 kg load. Calculate the required diameter. If not, calculate the number of rods needed to withstand the load. C. Pristine material (purple curve) only should be used as a wire for hanging a load of 2000 kg. Calculate the required diameter. If not, calculate the number of rods needed to withstand the load.
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