engineering stress, oCOb)Offset (x)1. Which material has the highestyield strength?2. Which material has the highestultimate tensile strength?3. Which material has the lowesttensile modulus (aka Young'smodulus)?4. Which material has the highesttoughness?c)engineering strain, &5. What offset (x) in engineeringstrain () should be used tocalculate the yield strength?a. 2b. 0.2c. 0.02d. 0.002e. 0.0002

The correct answer. “Since you have posted a question with multiple sub parts, we will provide the…

Answered: 1. Which material has yield strength?…

1. Which material has yield strength? 2. Which material has ultimate tensile stre 3. Which material has tensile modulus (aka modulus)? 4. Which material has toughness?

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

See similar textbooks

Similar questions

Q6: The following stress-strain curve is for a copper alloy (Figure 1 and Figure 2). At fracture, the total length was 53 mm, and the diameter was 10 mm. The initial length and diameter were 50.8 mm and 12.8 mm respectively. Determine: a) the 0.2% offset yield strength b) the ultimate tensile strength UTS c) the modulus of elasticity E d) engineering stress and strain at fracture e) true stress and true strain at UTS f) true stress and true strain at fracture (N) Load (N) 60000- 50000 40000- 30000- 20000 10000 0- 40000- 30000 20000 10000- 04 10 15 20 Change in length (mm) Figure 1. Load-Al curve for a copper alloy 0 5 0.2 0.0 Change in length (mm) Fracture region Figure 2. The magnified load-Al curve for the same above copper alloy to show the elasticity
The following data are obtained from the Charpy impact test of a copper specimen. a) Length of the square cross-section specimen = 70 mm b) Each side (top & bottom) of the cross-section = 9.64 mm c) V - Notch thickness at middle of the specimen length = 1.06 mm d) Impact Strength = 279 kJ/m? Determine the Cross-sectional area at the top surface, Cross-sectional area at notch & Impact energy of the copper specimen. Solution: 1. Cross sectional area at the top surface 92.9296mm^2 2. Cross-sectional area at notch 82.7112mm^2 3. Impact Energy 23.0764248J
The following data are obtained from the Charpy impact test of a copper specimen. a) Length of the square cross-section specimen = 70 mm b) Each side (top & bottom) of the cross-section = 9.64 mm c) V – Notch thickness at middle of the specimen length = 1.06 mm d) Impact Strength = 279 kJ/m? Determine the Cross-sectional area at the top surface, Cross-sectional area at notch & Impact energy of the copper specimen.
4. The yield strength of material is fy = 700 MPa. If the stress state in the most stressed point in our structure is as pictured on the right, is the structure safe or will yielding occur? a) Use Tresca's yield criterion b) Use Von Mises' yield criterion. 200 MPa 150 MPa 500 MPa
A mild steel specimen of Young's Modulus 205 GPa is subjected to a tensile test in a laboratory. The following data are obtained. a) Initial length of the Specimen = 362 mm; b) Initial diameter of Specimen = 19 mm; c) Yield Stress = 123 N/mm2; d) Ultimate Stress = 225 N/mm2; e) Fracture Stress = 190 N/mm2; g) % of Elongation = 56 %; h) % of Reduction in Area = 29 %. i) The elongation of the specimen at load 83 kN (in mm) ii) Load at yielding (in N) iii) Maximum load (in N) iv) Final Length (in mm) v) Final Diameter (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)
A copper specimen of Young's Modulus 122 GPa is subjected to a tensile test in a laboratory and the following data are obtained. a) Initial length of the Specimen = 363 mm; b) Initial diameter of Specimen = 10 mm; c) Yield Stress = 128 N/mm2; d) Ultimate Stress = 212 N/mm2; e) Fracture Stress = 180 N/mm2; %3D g) % of Elongation = 44 %; h) % of Reduction in area = 38 %.
a)Define the following mechanical properties which can be derived and, in each case, state the appropriate unit. i)Engineering stressii)Yield stress leveliii)Young’s modulusIv) Ultimate tensile stressv)Ductilityvi) Toughness B) Briefly describe a standard test method which can be used to establish properties (ii), (iii) and (iv) mentioned in part (a) of this question. Also provide a sketch of the apparatus.
hings The following results were obtained during a tensile test to destruction on a mild steel test piece of diameter 15.96mm and 80mm gauge length Extension for a load of 40KN = 0.08mm Maximum load applied during test = 93kN Diameter at fracture = 12.85mm %3D Final length between gauge points 106mm From these results, determine: i) The modulus of elasticity for mild steel ii) The tensile strength iii) Percentage of elongation iv) Percentage of reduction in area
A copper specimen of Young's Modulus 120 GPa is subjected to a tensile test in a laboratory and the following data are obtained. a) Initial length of the Specimen = 395 mm; b) Initial diameter of Specimen = 10 mm; c) Yield Stress = 133 N/mm2; d) Ultimate Stress = 228 N/mm2; e) Fracture Stress = 178 N/mm2; g) % of Elongation = 59 %; h) % of Reduction in area = 41 %. Determine the following i) The elongation of the specimen at load 101 kN (in mm) ii) Maximum load (in N) iii) Fracture load (in N) iv) Final Length (in mm) v) Final Diameter
Q2c) Listed in the table below is the tensile stress-strain data for different grades of steels. Utilizing the data given answer the three queries given below. Tensile Strain at Fracture Strength Strength Fracture Strength Modulus Material Yield Elastic (MPa) (MPa) (MPa) (GPa) А 410 1440 0.63 265 410 200 220 0.40 105 250 C 815 950 0.25 500 610 800 650 0.14 720 210 E Fractures before yielding 650 550 1) Which will experience the greatest percent reduction in area? Why? 2) Which is the strongest? Why? 3) Which is the stiffest? Why? B.
1 %AV l. 1:Y0 A docs.google.com/forms/d/e مختبر ميكانيك المواد Why used two equipment in shear force and bending moment experiment (one for ?S.F and the other to B.M) إجابتك What is the relationship between the ?distance from neutral axis and stress إجابتك Explain in steps with detail, how can find the ?Young's modulus for any unknown beam إجابتك What is the meaning of + S.F, -S.F, +B.M and ?- B.M إجابتك صفحة 4 من 5 II