0,5 mm450 mm350 mmBronzeA =1500 mm²E = 105 GPaप21.6 × 10-PCAluminumA = 1800 mm²£ = 73 GPa=a 23.2 × 10-PCPROBLEM 2.58Knowing that a 0.5-mm gap exists when the temperature is 24°C,determine (a) the temperature at which the normal stress in thealuminum bar will be equal to -75 MPa, (b) the corresponding exactlength of the aluminum bar.

Answered: 0,5 mm 450 mm 350 mm Bronze A = 1500…

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.2.27P: -27 A square plate with side dimension of 2 in. is subjected to compressive stress a and tensile...

See similar textbooks

Similar questions

At room temperature (20°C), a 0.5-mm gap exists between the ends of the rods shown. The temperature eventually reaches a value of 140°C. Determine the normal stress in the aluminum rod. Determine the change in length of the aluminum rod.
! Required information At room temperature (20°C), a 0.5-mm gap exists between the ends of the rods shown. The temperature eventually reaches a value of 137°C. 300 mm Aluminum A = 2000 mm² E = 75 GPa a = 23 x 10-6/°C 0.5 mm 250 mm B teel A = 800 mm² E = 190 GPa a = 17.3 x 10-6/°C Determine the normal stress in the aluminum rod. The normal stress in the aluminum rod is EMPa.
Figure 200 mm 400 mm -20 mm A Section a-a Determine the state of stress at point A on the cross section of the pipe assembly at section a - a. Take F₁ = 1520 N, F₂ = 1100 N. (Figure 1) Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive in the case of tension. A = 49.6 μA Submit Previous Answers Request Answer Part B X Incorrect; Try Again; 7 attempts remaining (Tzy) A = MPa Find (Tzy) A- Express your answer to three significant figures and include the appropriate units. ΜΑ Value ? Units ?
Problem #1: The bar below is composed of three solids cylindrical pieces with the diameters shown. The bar initially has a temperature of 70° F, and is slowly heated to a final temperature of 116° F. If the bar initially has zero stress, find the axial stress in each section when the bar reaches its final temperature. Young's Modulus (ksi) Coeff. Thermal Exp. (/°F) | 12.9×10-6 A Aluminum Bronze 10,600 15,000 11.1×106 9.6×10-6 2014-T6 Aluminum 12 in. 4 ft Stainless Steel 28,000 B C 86100 Bronze 8 in. 6 ft 304 Stainless steel C 4 in. 3 ft D
A steel bar, the material of which is S355 J2 G3, binds two walls together. Pre-tensioning in tie bar 4.3 kN. The temperature of the rod increases by 15 °C. Calculate the normal stress in the cross section of the bar. L = 600 mm, α = 12μ 1/°C, E = 200 GPa and d = 25 mm . Give the answer in MPa as a whole number as a numerical value only. Correct answer to exercise should be = -27
Determine the maximum stress and maximum displacement in the vertical direction for the following situation: NOTE: The 200 lbf load applied to the right vertical edge is applied in the horizontal direction facing RIGHT.
In a volume element with dimensions dx, dy, dz the negatíve y-face has a 2 MPa stress in the positivex-direction, a 3 MPa stress in the negative z-direction, and a 4 MPa stress in the negatíve y-direction. Which of the following describes the stresses per elasticity convention? Oyy = 4 MPa Oyr = -2 MPa 3 MPa A MPa
The bar shown in diagram is subjected to a tensile load of 150 kN. If the stress in the middle portion is limited to 160 N/mm2, determine the diameter of the middle portion. Find also the length of the middle portion if the total elongation of the bar is to be 0.25 cm. Young's modulus is given as equal to 2.0 × 105 N/mm2. 150 KN ➜ 10 cm DIA 45 cm 10 cm DIA 150 KN
The rod has a diameter of 40 mm. It is subjected to the force system F₁ = 1900 N, Fy = 700 N, F₂ = 900 N. (Figure 1) Figure F₁ Fy 300 mm 100 N-m F₂ 100 mm Part A Determine the normal stress that acts at point B. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. OB= Part B (TB)Ty Part C = μА Determine the shear stress (TB)zy that acts at point B. Express your answer to three significant figures and include the appropriate units. Value (TB) Iz = μA Value Units μA Value Units Determine the shear stress (TB)zz that acts at point B. Express your answer to three significant figures and include the appropriate units. ? Units ? ?
At a point in the cross-section of an engineering component an element is subject to the following stresses: σx =100MPa σy =45MPa τxy = -50MPa Construct a Mohr’s Stress Circle and hence determine: (a) The Principal Stresses (σ1 & σ2) and the Directions of the Principal Planes (φ1 & φ2) (b) The Maximum Shear Stress (τmax) (c) Find the Normal Stress (σn) acting on a plane at 40 degs anticlockwise from the y-axis
Answers (a) er=15.30-250.2/r^2 , etheta=15.30+250.2/r^2 (b) delta c = 8.12x10^-4 in
Solve correctly please.

SEE MORE QUESTIONS

Recommended textbooks for you

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS