From the stress-strain data for poly(methyl methacrylate) shown in figure below, determine the modulus of elasticity in the elasticlinear region and the tensile strength at 40 °C (104 °F).Stress (MPa)8070603020104°C (40°F),20°C (68°F)30°C (86°F).40°C (104°F)0.1Strain50°C (122°F)60°C (140°F)0.2To 1.30The modulus of elasticity is 2.3 GPa and the tensile strength is 49 MPaO The modulus of elasticity is 38 MPa and the tensile strength is 3.3 GPaThe modulus of elasticity is 1.2 GPa and the tensile strength is 52 MPaThe modulus of elasticity is 1.2 GPa and the tensile strength is 38 MPaT1210820.3Stress (10³ psi)

Given -Engineering stress strain curve for steel alloyTo find -Modulus of elasticity of steel…

Answered: ress (MPa) 80 70 60 50 40 4°C (40°F)…

Engineering

Mechanical Engineering

ress (MPa) 80 70 60 50 40 4°C (40°F) 20°C (68°F) 30°C (86°F) 40°C (104°F)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Concept explainers

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.

Question

From the stress-strain data for poly(methyl methacrylate) shown in figure below, determine the modulus of elasticity in the elastic
linear region and the tensile strength at 40 °C (104 °F).
Stress (MPa)
80
70
60
30
20
10
4°C (40°F)
,20°C (68°F)
30°C (86°F)
.40°C (104°F)
0.1
Strain
50°C (122°F)
60°C (140°F)
0.2
To 1.30
The modulus of elasticity is 2.3 GPa and the tensile strength is 49 MPa
O The modulus of elasticity is 38 MPa and the tensile strength is 3.3 GPa
The modulus of elasticity is 1.2 GPa and the tensile strength is 52 MPa
The modulus of elasticity is 1.2 GPa and the tensile strength is 38 MPa
T
12
10
8
2
0.3
Stress (10³ psi)

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