Bending Test 3-6 Discussions -What do you expect if the bending experiment has been carried out at elevated temperatures? - Give three examples of engineering applications which involve bending properties of the materials References • ASTM E290- Standard Test Methods for Bend Testing of Material for Ductility. • ASM Handbook, "Mechanical Testing and Evaluation", Vol. 8, 2000. • "Materials Science and Engineering, An Introduction", William D. Callister, Jr., United States of America, 2007.

Bending Test 3-6 Discussions -What do you expect if the bending experiment has been carried out at elevated temperatures? - Give three examples of engineering applications which involve bending properties of the materials References • ASTM E290- Standard Test Methods for Bend Testing of Material for Ductility. • ASM Handbook, "Mechanical Testing and Evaluation", Vol. 8, 2000. • "Materials Science and Engineering, An Introduction", William D. Callister, Jr., United States of America, 2007.

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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Similar questions

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
The stress-strain diagram for a steel alloy having an original diameter of 0.5 in. and a gage length of 2 in. is given in the figure. If the specimen is loaded until it is stressed to 70 ksi, determine the approximate amount of elastic recovery and the increase in the gage length after it is unloaded. o (ksi) 80 70 60 50 40 30 20 10 e (in./in.) 0 04 0.08 0.12 0.16 0.20 0.24 0.28 0 0005 0.0010.0015 0.002 0.0025 0.0030.0035
A sample of a steel alloy has a yield strength of 560 MPa, ultimate tensile strength of 630 MPa, and Young's modulus of 200 GPa. a) What is the maximum load that can be applied to a sample with a square cross-section of 10.0 mm by 10.0 mm without plastic deformation occurring? b) If the original sample length prior to testing was 63 mm, what is the maximum length that it can be elongated to without causing plastic deformation? c) What is the difference between elastic strain and total strain?
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.
A 3003-H14 aluminum alloy rod with 0.5 in. diameter is subjected to a 2000- lb tensile load. Calculate the resulting diameter of the rod. If the rod is sub- jected to a compressive load of 2000 lb, what will be the diameter of the rod? Assume that the modulus of elasticity is 10,000 ksi, Poisson’s ratio is 0.33, and the yield strength is 21 ksi.
A cylindrical specimen of brass that has a diameter of 20 mm, a tensile modulus of 110 GPa, and a Poisson's ratio of 0.35 is pulled in tension with force of 40,000 N. If the deformation is totally elastic, what is the strain experienced by the specimen? O 0.00463 O 0.00116 O 0.0029 O 0.01350
A steel specimen is tested in tension. The specimen is 25 mm wide by 12.5 mm thick in the test region. By monitoring the load dial of the testing machine, it was found that the specimen yielded at a load of 160 kN and fractured at 214 kN. a. Determine the tensile stress at yield and at fracture. b. If the original gauge length was 100 mm, estimate the gauge length when the specimen is stressed to 1/2 the yield stress.
A steel specimen is tested in tension. The specimen is 2 in. wide by 2.3 in. thick in the test region. By monitoring the load dial of the testing machine, it was found that the specimen yielded at a load of 30 kips and fractured at 40 kips. a) Determine the tensile stress at yield and fracture; b) If the original gauge length was 4 in., estimate the gauge length when the specimen is stressed to 2 the yield stress.
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