A cylindrical rod with a diameter of 15.24 mm and a gauge length of 400mm is subjected to a tensile load. If the rod is to experience neither plasticdeformation nor an elongation of more than 0.45 mm when the applied loadis 31000 N, which of the four metals or alloys listed below are possible candi-dates? Justify your choice(3).TABLE P1.12MaterialE (GPa)Yield Strength (MPa)Tensile Strength (MPa)Steel alloy 1Steel alloy 2Titanium alloyСopper18086050220040025011090073011722070

Answered: A cylindrical rod with a diameter of…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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An ASTM A615 grade 60 number 10 rebar with a gauge length of 8 in. was subjected to tension to fracture according to ASTM E-8 method. The load and deformation data were as shown in Table .Using a spreadsheet program, obtain the following:a. A plot of the stress–strain relationship. Label the axes and show units.b. A plot of the linear portion of the stress–strain relationship. Determine modulus of elasticity using the best-fit approach.c. Proportional limit.
1. The tensile strength vs. temperature curves of aluminum are plotted below. Explain the meaning of these two curves. 400 Ultimate strength 300 Yield strength 200 100 -200 -150 -100 -50 50 100 150 200 250 Temperature, °C Strength, kPa
2. When a cylindrical body is subjected to uniaxial tensile force, which types of stresses are formed within the body? Show the locations of stresses on an appropriate sketch. 3. (a) If you were designing a metallic tool to be used at very low temperatures (negative temperatures), which material class would be the best option? (b) If you wanted to increase the strength of that tool for that very low temperature, which strengthening method would be the best option? Briefly explain your answer.
As shown in the figure below, a bronze bar is affixed between a steel bar and an aluminum bar. Axial loads are applied at the positions indicated. If the largest value of P that will not exceed an overall deformation of 4.0 mm, or the following stresses: 150 MPa in the steel, 130 MPa in the bronze, and 90 MPa in the aluminum, determine the stress in the bronze. Assume that the assembly is suitably braced to prevent buckling. Use Est = 200 GPa, Eal = 70 GPa, and Ebr = 83 GPa. (The correct answer is 71.36 MPa. Can you show the solution? Thank you!)
A tensile load of 150 kN is applied to a round metal bar with a diameter of 16 mm and a gage length of 80 mm. Under this load the bar elastically deforms so that the gage length increases to 80.1192 mm and the diameter decreases to 15.89 mm. Determine the modulus of elasticity (in MPa) and Poisson's ratio for this metal.
A combined section of steel and copper is subjected to a compressive load. Refer to the table below for the properties of each Steel Copper Area, A 900 mm2 1,200 mm2 Modulus of elasticity, E 200 GPa 120 GPa Allowable compressive stress 140 MPa 70 MPa If the allowable strain for both materials is 0.0005, which of the following most nearly gives the maximum load the member can carry so that this allowable strain is not exceeded? Select the correct response 162.00 kN 185.00 kN 205.00 kN 175.00 kN
Value of one of the properties of A36 steel plate within the limit of its elasticity
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The assembly is composed of a steel shell and an aluminum core that has been welded to a rigid plate. The gap between the plate and the aluminum is initially 1- mm. If the assembly's temperature is reduced by 180°C, determine (a) the final axial stresses in each material and (b) the deflection of the rigid bar. To support your response, draw a deformation diagram with appropriate labels. Use the following properties: Aluminum core Steel shell Diameters (mm) d = 15 mm do = 30 mm d₁ = 20 mm E (GPa) 70 200 2 m a (/°C) 22 x 10-6 12 x 10-6
A cylindrical rod 500 mm long, having a diameter of 12.7 mm, is subjected to a tensile load of 30,000 N. The rod is to experience an elongation not more than 1.3 mm and FOS ≥ 1.5 setting yield strength as a criteria. Additional constraints to be met are max specific stiffness and %EL not more than 0.15. Which of the below listed materials are possible candidates? Justify your choice(s) by making a table of constraints.
A cylindrical rod with a length of 380 mm and a diameter of 10 mm is to be subjected to a tensile load. The rod must not experience plastic deformation or an increase in length of more than 0.9 mm when a load of 24.5 kN is applied. Which of the four materials listed in table are possible candidates? Justify your answer. Material Elastic Modulus, GPa Yield Strength, MPa Tensile Strength, MPa 110 ETT 70 207 101 Copper Aluminum alloy Steel Brass alloy 248 255 448 345 289 420 551 420 * Plastic deformation is defined as a process in which the object due to applied force changes its size or shape in a way that is not reversible
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