Answer Part b Question Onea) In a tensile test, material mechanical properties are determined by relating deformations to the appliedforces.i. Sketch a typical specimen used in such tests and on it indicate two important dimensionsi Sketch the difference you would cxpect in tensile and compressive deformationsSketch a stress-strain curve/graph you would expect from such a test and on it indicate how youwould obtain (1) Young's modulus, E(2) clastic limit,oei(3) yield strength ay and (4) ultimatetensile strength duTSii.b) In such a test, as the one in (a) above, a specimen manufactured from steel, and had an original diameterof 12.8 mm and gauge length of 50.8 mm. The resulting data, stress and strain, is listed in the table below.Strain0.007 00180.0320050 0520.0560.060.00500720.0760110.15017022024(m/ m)Stress80.8218390540600630.650640634643745851885815770(MPa)By plotting stresses on the vertical axis and strains on the horizontal axis, plot a stress-strain curve,and determine the following,a) Elastic limitb) Modulus of clasticity,c) Yield stress,d) Ultimate stress, and thee) Fracture stress.

Luestion One In a tensile test, material mechanical properties are determined by relating deformations to the applied forces. i. Sketch a typical specimen used in such tests and on it indicate two important dimensions i Sketch the difference you would cxpect in tensile and compressive deformations i Sketch a stress-strain curve/graph you would expect from such a test and on it indicate how you would obtain (1) Young's modulus, E (2) elastic limit,o(3) yield strength ay and (4) ultimate tensile strength dUTS O In such a test, as the one in (a) above, a specimen manufactured from steel, and had an original diameter of 128 mm and gauge length of 50.8 mm. The resulting data, stress and strain, is listed in the table below. rain 0.007 0018 005 0 052 0.065 0072 0076 0.15 017 0.056 011 022 024 ress 80.8 218 540 600 60. 650 640 634 745 851 885 815 770 643 By plotting stresses on the vertical axis and strains on the horizontal axis, plot a stress-strain curve, and determine the following, a) Elastic limit b) Modulus of clasticity,

Luestion One In a tensile test, material mechanical properties are determined by relating deformations to the applied forces. i. Sketch a typical specimen used in such tests and on it indicate two important dimensions i Sketch the difference you would cxpect in tensile and compressive deformations i Sketch a stress-strain curve/graph you would expect from such a test and on it indicate how you would obtain (1) Young's modulus, E (2) elastic limit,o(3) yield strength ay and (4) ultimate tensile strength dUTS O In such a test, as the one in (a) above, a specimen manufactured from steel, and had an original diameter of 128 mm and gauge length of 50.8 mm. The resulting data, stress and strain, is listed in the table below. rain 0.007 0018 005 0 052 0.065 0072 0076 0.15 017 0.056 011 022 024 ress 80.8 218 540 600 60. 650 640 634 745 851 885 815 770 643 By plotting stresses on the vertical axis and strains on the horizontal axis, plot a stress-strain curve, and determine the following, a) Elastic limit b) Modulus of clasticity,

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 One a) In a tensile test, material mechanical properties are determined by relating deformations to the applied forces. i. Sketch a typical specimen used in such tests and on it indicate two important dimensions i Sketch the difference you would cxpect in tensile and compressive deformations Sketch a stress-strain curve/graph you would expect from such a test and on it indicate how you would obtain (1) Young's modulus, E(2) clastic limit,oei(3) yield strength ay and (4) ultimate tensile strength duTS ii. b) In such a test, as the one in (a) above, a specimen manufactured from steel, and had an original diameter of 12.8 mm and gauge length of 50.8 mm. The resulting data, stress and strain, is listed in the table below. Strain 0.007 0018 0.032 005 0 052 0.056 0.06 0.005 0072 0.076 011 0.15 017 022 024 (m/ m) Stress 80.8 218 390 540 600 630. 650 640 634 643 745 851 885 815 770 (MPa) By plotting stresses on the vertical axis and strains on the horizontal axis, plot a stress-strain…
Consider the graph below for 3 test samples A, B and C of the same metal composition which have been cold-worked, but to different extents. If you had to sort the samples by the degree of cold-working they have undergone, how would you rank them? Stress (MPa) 600 500 4006 300 200 100 0 A B 0.05 1 0.1 0.15 Strain Select the correct answer: a. A
1 The following data are obtained from a tensile test of a copper specimen. - The load at the yield point is 159 kN. - Length of the specimen is 22 mm. - The yield strength is 80 kN/mm². - The percentage of elongation is 40 %. Determine the following (i) Diameter of the specimen, ii) Final length of the specimen, iii) Stress under an elastic load of 15 kN, iv) Young's Modulus if the elongation is 2.8 mm at 15 kN and (v) Final diameter if the percentage of reduction in area is 20 %. Solution Initial Cross-sectional Area (in mm²) The Diameter of the Specimen (in mm) - น Final Length of the Specimen (in mm). 30 Stress at the elastic load (in N/mm²) 4⁰ Young's Modulus of the Specimen (in N/mm²) 5 Final Area of the Specimen at Fracture (in mm²) Final Diameter of the Specimen after Fracture (in mm)-
a . Sketch stress strain curve if the result shown in table represent the force and extension happened in steel, and show Mechanical properties that we get from tensile test on curve? (10p)Note : Lo=80 mm , Do=10 mm , use excel to plot the curve ExtensionLoad(mm) (N)0 0.900.83 4694.341.67 4831.412.50 4781.083.33 4918.834.17 4926.585.00 5257.075.83 5437.016.66 5575.888.33 5775.189.16 5847.5210.83 5965.4111.67 6010.5312.50 6042.5713.33 6072.2614.16 6092.9315.00 6113.2416.67 6140.3617.50 6146.3718.33 6148.1419.16 6149.1725.00 5940.2125.83 5675.3326.67 4725.52b. What is meant by modulus of rigidity? if it increases what does happen to material? (2p)
The following data were recorded during the tensile test of a test specimen with a diameter of 12.8 mm. The gage length is 50.8 mm. The given data are as follow; Given: Test specimen material: Aluminum Diameter of test specimen: Do = 12.8 mm Length of test specimen: Lo = 50.8 mm Force and Elongation data for test specimen Assumptions: 1. The given data is accurate and the material is isotropic 2. The direction of applied force is parallel to the length of the cylinder Requirement: To interpret and plot the stress Vs Strain curve for a given specimen DATA: LENGTH, mm STRESS, MPa LOAD, N 0 50.8 7 330 50.851 15 100 50.902 23 100 50.952 30 400 51.003 34 400 51.054 38 400 51.308 41 300 51.816 44 800 52.832 46 200 53.848 47 300 54.864 47 500 55.88 36 100 56.896 44 800 57.658 42 600 58.42 36 400 59.182 STRAIN
3. Two specimens with the same dimensions and made from two different materials, A and B, were subjected to tensile testing. The percentage reduction in the area of the specimen made of material 'A' was calculated 3 times that of the specimen made of material B. In this case, O A lthe ductility of material A and B is equal O Bthe material A is brittle and material B is ductile O Cthe material B is more ductile than material A O D nhe material A is more ductile than material B 1. 20 O Aramak için buraya yazıin
The stress-strain data from a tensile test on a cast-iron specimen are € (10-3) 0 0.20 0.44 0.80 1.0 1.5 2.0 26 32 40 46 49 54 NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. 2.8 3.4 4.0 5.0 a (kpsi) 0 5 10 16 19 Determine the tangent modulus, E, at a value of a=0 psi. 106 psl. The tangent modulus, Eis X
The following data are obtained from a tensile test of a copper specimen. - The load at the yield point is 158 kN. - Length of the specimen is 26 mm. The yield strength is 75 kN/mm2. - The percentage of elongation is 40 %. Determine the following (i) Diameter of the specimen, ii) Final length of the specimen, iii) Stress under an elastic load of 15 kN, iv) Young's Modulus if the elongation is 1 mm at 15 kN and (v) Final diameter if the percentage of reduction in area is 21 %. Solution Initial Cross-sectional Area (in mm-) The Diameter of the Specimen (in mm) Final Length of the Specimen (in mm) Stress at the elastic load (in N/mm-) Young's Modulus of the Specimen (in N/mm-) Final Area of the Specimen at Fracture (in mm)
Figure 1 shows the tensile testing results for different materials. All specimens have an initial diameter of 12 mm and an initial gauge length of 50 mm. 300 250 Low carbon steel Network polymer 200 Crystalline polymer 150 Amorphous polymer 100 50 5 10 15 20 25 30 Strain (%) Figure 1: Stress-strain curve b. Determine the following parameters for each material: • the tensile strength the 0.2% offset yield strength the modulus of elasticity • the ductility Stress (MPa) LO
The following data are obtained from a tensile test of a copper specimen. - The load at the yield point is 146 kN. - Length of the specimen is 25 mm. - The yield strength is 83 kN/mm2. - The percentage of elongation is 40 %. Determine the following (i) Diameter of the specimen, ii) Final length of the specimen, iii) Stress under an elastic load of 14 kN, iv) Young's Modulus if the elongation is 1.1 mm at 14 kN and (v) Final diameter if the percentage of reduction in area is 25 %. Solution Initial Cross-sectional Area (in mm2) Answer for part 1 The Diameter of the Specimen (in mm) Answer for part 2 Final Length of the Specimen (in mm) Answer for part 3 Stress at the elastic load (in N/mm2) Answer for part 4 Young's Modulus of the Specimen (in N/mm2) Answer for part 5 Final Area of the Specimen at Fracture (in mm) Answer for part 6 Final Diameter of the Specimen after Fracture (in mm) Answer for part 7
The following data are obtained from a tensile test of a copper specimen. - The load at the yield point is 159 kN. - Length of the specimen is 29 mm. - The yield strength is 82 kN/mm2. - The percentage of elongation is 47 %. Determine the following (i) Diameter of the specimen, ii) Final length of the specimen, iii) Stress under an elastic load of 19 kN, iv) Young's Modulus if the elongation is 2.8 mm at 19 kN and (v) Final diameter if the percentage of reduction in area is 21 %. Solution Initial Cross-sectional Area (in mm2) Answer for part 1 The Diameter of the Specimen (in mm) Answer for part 2 Final Length of the Specimen (in mm) Answer for part 3 Stress at the elastic load (in N/mm2) Answer for part 4 Young's Modulus of the Specimen (in N/mm2) Answer for part 5 Final Area of the Specimen at Fracture (in mm) Answer for part 6 Final Diameter of the Specimen after Fracture (in mm)
A 11 in. inner diameter, 0.35 " wall thickness pipe is under a pressure of 2.5 ksi where strain gages installed along axial and circumferential directions register strains of 180 and 900 micro-strains (x10^-6), respectively. A) What is the Poisson's Ratio of this material and it's Elastic Modulus? B) In a uniaxial test, the pipe's material is observed to yield at a longitudinal strain of 0.1 in/in. Assuming a factor of safety of 2, the pipe can withstand impact energy of _______ lb - in per foot without suffering permanent deformation. C) If the pipe is depressurized and then subjected to a torque of 50 lblb - ft.ft., it will experience a shear strain of ________ rad.