Problem 1: (50 points)In Avengers 2, Captain America's improvedshield is made from unobtainium, a newmaterial that will soon be available in a storenear you. Unobtainium has the normal stress-strain diagram shown. The proportional limit,the elastic limit and the yield point areidentical in this material.o [MPa]2001175150125100Fig.1 Normal stress-strain75502500. 0.05 0.1 0.15 0.2 0.25Unobtainium has a Poisson's ratio of 0.3.a. [6pts] Identify the yield point oy, the ultimate stress ou and the fracturestress of. Include units.c. [25pts] A bar of unobtainium has a length of1.5 m, a width of 100mm and a height of 50mm, as shown. The cross-sectional area is50mm 100mm = 5 x 10-³m². The bar issubjected to an axial force of 375 kN.Find the normal stress in a cross-section of the bar.b. [5pts] How do you find Young's modulus from this graph? Find its value with units.whesta fins dus al hossP = 375 KN1.5 m0.350 mm100 mm& [mm/mm]Is the material within its linear-elastic region? Yes / NoCalculate the longitudinal normal strain under this loading AND indicate it in the stress-straindiagram above.P = 375 KN

Problem 1: (50 points) In Avengers 2, Captain America's improved shield is made from unobtainium, a new material that will soon be available in a store near you. Unobtainium has the normal stress- strain diagram shown. The proportional limit, the elastic limit and the yield point are identical in this material. o [MPa] 200 175 150 125 100 75 50 25 Normal 0 0. 0.05 0.1 Unobtainium has a Poisson's ratio of 0.3. a. [6pts] Identify the yield point oy, the ultimate stress ou and the fracture stress of. Include units. P = 375 KN c. [25pts] A bar of unobtainium has a length of 1.5 m, a width of 100mm and a height of 50 mm, as shown. The cross-sectional area is 50mm * 100mm = 5 x 10-³m². The bar is subjected to an axial force of 375 kN. Find the normal stress in a cross-section of the bar. b. [5pts] How do you find Young's modulus from this graph? Find its value with units. 0.15 0.2 0.25 0.3² [mm/mm] 1.5 m. 50 mm 100 mm Is the material within its linear-elastic region? Yes / No Calculate the longitudinal normal strain under this loading AND indicate it in the stress-strain diagram above. P=375 KN Z

Problem 1: (50 points) In Avengers 2, Captain America's improved shield is made from unobtainium, a new material that will soon be available in a store near you. Unobtainium has the normal stress- strain diagram shown. The proportional limit, the elastic limit and the yield point are identical in this material. o [MPa] 200 175 150 125 100 75 50 25 Normal 0 0. 0.05 0.1 Unobtainium has a Poisson's ratio of 0.3. a. [6pts] Identify the yield point oy, the ultimate stress ou and the fracture stress of. Include units. P = 375 KN c. [25pts] A bar of unobtainium has a length of 1.5 m, a width of 100mm and a height of 50 mm, as shown. The cross-sectional area is 50mm * 100mm = 5 x 10-³m². The bar is subjected to an axial force of 375 kN. Find the normal stress in a cross-section of the bar. b. [5pts] How do you find Young's modulus from this graph? Find its value with units. 0.15 0.2 0.25 0.3² [mm/mm] 1.5 m. 50 mm 100 mm Is the material within its linear-elastic region? Yes / No Calculate the longitudinal normal strain under this loading AND indicate it in the stress-strain diagram above. P=375 KN Z

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

A student conducted an experiment to determine the behavior of poly (ethylene) and poly (tetrafluo-roethylene) to stress. The tables below depict the results of his experiments. Part 1.1Plot the stress-strain curves for both types of material. Calculate their respective Young’s moduli (E). Howdo they compare? Part 1.2From their respective plots, determine their approximate strain energy before plastic deformation begins.How do they compare? Part 1.3What do these calculations of young’s modulus and strain energy tell us about the properties of bothmaterials? Compare the properties of both materials using these calculations.
Given the following stress-strain graph:a. is the modulus of elasticity of "A-514" greater, less or equal to the one of "A-572"?b. from the previous question, make an estimatio for both of them, check that the graphic comes in %c. If we were to test these materials in a universal tension equipment, which one would withstand more load?d. If we were to test these materials in a universal tension machine, which one would elongate the most before fracturing? would elongate the most before fracturing? e. Of the 6 materials shown, do any behave as brittle materials? f.
Pls answer thank you! A circular rod is 128 mm in diameter and carries gauge marks placed 50.8 mm apart. When the rod is subjected to an axial force of 31,150 N, the distance between the gauge marks is 50.86 mm. What is the modulus of elasticity of this material?
You are given a 10-cm-diameter cylindrically shaped extruded bar (length = 50 cm) of an aluminum alloy. a. What specimen configurations would you use to characterize the degree of anisotropy of the material’s fracture toughness? b. If the lowest fracture toughness of the bar was found to be 20 MPa √m , what would be the load level needed to achieve this stress intensity level? c. Confirm the presence of plane-strain conditions, given that σys = 500 MPa. (Assume specimen thickness = 1 cm, a/W = 0.5, and bar diameter = 1.2 W.)
Pls answer thank you ! The modulus of elasticity of a material is 207 GPa and the modulus of rigidity is 82.7 GPa. What is the Poisson’s ratio?
! How to compute the strain displacement matrix for each element?
Sintered silicon nitride parts are expected to experience tensile stresses 50% of the ultimate tensile strength of the material. What will be the maximum allowable size of internal flaws for these parts not to fail in service? Given the following properties of the material: Specific surface energy: 0.3 J/m2 its Youngs Modulus: 304 GPa Ultimate tensile Strength: 570 MPa Select one: a. 1.43 µm b. 0.71 µm c. 15 µm d. 85 µm e. 9.5 µm
Biomaterial question: Give a brief and clear answer, please do not write by hand Question: Sketch a typical stress-strain curve for three major types of biomaterials. Describe Young’s modulus and write Hooke’s Law. What are the time-dependent properties of materials? Explain briefly.
Gerilme-Şekil Değiştirme Diyagramı = Stress-Strain Diagram
Your boss is convinced and decided that the customers will save a lot of energy in processing material ifthe molecular weight of the polymethyl methacrylate (PMMA) manufactured is lower from 250,000g/mol to 150,000 g/mol. As a chief engineer in charge of mechanical properties, how will this affect thefracture energy (area under the stress strain curve)? Do you agree with this decision?
Define the given terms related to mechanical properties of materials. 1. elastic material 2. Apparent Viscosity 3. Bend test 4. Bingham Plastic 5. Dilatant
Consider Figure 11.11 where a force P is axially applied. Consider Figure 11.18, where a torque T is applied as shown. Combine these structures into one system, which is simultaneously subjected to the force P and the torque T. Analyze this new system, and comment on (a) the relative strengths of the strain energies due to F and T; (b) the impact of n; and (c) any other important engineering observations you can make regarding the new system.