2.90 The compound bar, composed of the three segments shown, is initially stress- free. Compute the stress in each material if the temperature drops 25°C. Assume that the walls do not yield and use the following data: A (mm?) a (FC) E (GPa) Bronze segment 2000 19.0 × 10-6 83 Aluminum segment 1400 23.0 x 10-6 70 Steel segment 800 11.7× 10- 200 +-500 mm→-400 mm- – 800 mm - Bronze Aluminum Steel FIG. P2.90

2.90 The compound bar, composed of the three segments shown, is initially stress- free. Compute the stress in each material if the temperature drops 25°C. Assume that the walls do not yield and use the following data: A (mm?) a (FC) E (GPa) Bronze segment 2000 19.0 × 10-6 83 Aluminum segment 1400 23.0 x 10-6 70 Steel segment 800 11.7× 10- 200 +-500 mm→-400 mm- – 800 mm - Bronze Aluminum Steel FIG. P2.90

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter1: Tension, Compression, And Shear

Section: Chapter Questions

Problem 1.6.7P: A wine of length L = 4 ft and diameter d = 0.125 in. is stretched by tensile forces P = 600 lb. The...

See similar textbooks

Similar questions

1. A 0.015 meter diameter bar of steel is stress tested and the following stress-strain curve is produced Stress (psix 10 60 50 8 20 10 1 MPa 300 100 psi (x 10%) 50 200-30 OL 40- 20- 10 0.05 0.005 1 L 0.010 0.10 Strain a. What is the ultimate tensile strength (MPa)? d. What is the yield strength(MPa)? 0.15 c. What is the percent plastic elongation at the time of fracture? e. What is the Modulus of Elasticity (GPa)? 400 300 200 Stress (MPa) b. What is the greatest load that can be place on this bar before failure(N)? 100 10 0.20
2. Ten point load tests are carried out on cylindrical specimens of a sedimentary rock with 30 mm diameter, as shown in the figure. 50 mm The failure loads of these tests are equal to: 3.2, 4.1, 3, 3.8, 2.9, 4.2, 3.5, 3.6, 3.5 and 4 kiloNewtons. Determine Iso) of this rock. Predict the uniaxial compressive strength of this rock.
answer 24mm
please indicate if compression or tension
typed solution only. answer is already given
Determine the tensile yield strength (0.2% offset) and the maximum strength of a metal alloy having the following tensile stress-strain diagram. 600 500 400 500 300 400 300E 200 3200 100 100E 0.000 0.002 0.004 0.006 Strain ol 0.00 0.16 0.20 0.08 Strain 0.04 0.12 Select one: O The tensile yield strength Sy = 290 Mpa and the maximum strength Smax = 500 Mpa. O The tensile yield strength Sy = 170 Mpa and the maximum strength Smax = 400 Mca. G The tensile yield strength Sy = 200 Mpa and the maximum strength Smax = 500 Moa. O Tne tensile yield strength Sy = 390 Mpa and the maximum strength Smax= 500 Mpa. The tensile yed strength Sy = 150 Mpa and the maximum strength Smax = 250 Mpa. Stress (MPa) Stress (MPa)
Please answer what is being asked and show full solutions with necessary diagrams. "Strength of Materials" Problem
Stress (MPa) 600 500- 400 300 200 100- 0 0.00 Stress (MPa) 0.04 500 400 300 200 100 0.000 1 0.08 0.002 0.004 Strain Strain 0.12 0.006 1 0.16 0.20 Figure 6.22 Tensile stress-strain behavior for a steel alloy. 6. A steel alloy with a rectangular cross section 13.8 mm x 6.4 mm and length 560 mm has the stress-strain behavior shown in Figure 6.22 above. This specimen is subjected to a tensile force of 42,000 N. (a) Determine the elastic and plastic strain in the specimen in the loaded condition. (b) Determine the final length of the specimen after the load is released.
Using GRESA method
Results of a tensile test of a 0.505-in. diameter aluminum alloy test bar are shown below. Initial length = 2.0 in. The proportional limit occurred with a load = 7000 lbs. What is the length after deformation of another bar (same aluminum alloy material) of initial length of 50 in. at a stress level of 30,000 psi? Load (Ib) (A) (in.) 0.000 1000 0.001 3000 0.003 5000 0.005 7000 0.007 7500 0.030 7900 0.080 8000 (maximum load) 0.120 7950 0.160 7600 (fracture) 0.205 O A. 50.1 in. O B. 50.3 in. O C.50.15 in. O D. 51.5 in.
Problem F2 stress (ksi) 130 120 110 100 90 80 70 60 50 40 30 20 10 0 0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 strain (in/in) Above you will find the experimental stress-strain diagram of 1045 steel. Calculate the permanent set if a cylindrical specimen with a diameter of 2 in is loaded to the ultimate stress and then unloaded. Provide your answer in units of in/in with 3 significant figures after the decimal. The elastic modulus of 1045 steel is 29,000 ksi.
the question is attached in the image