8. The composite bar is stress-free before the axial loads P1 and P2 are applied. Assuming that the walls are rigid, calculate the stress in each material if P1 = 153 kN and P2 80 kN. Aluminum Steel Bronze A = 900 mm A = 2000 mm A = 1200 mm E - 83 GPa E = 70 GPa | E = 200 GPa P1 500 mm 250 mm' 350 mm

8. The composite bar is stress-free before the axial loads P1 and P2 are applied. Assuming that the walls are rigid, calculate the stress in each material if P1 = 153 kN and P2 80 kN. Aluminum Steel Bronze A = 900 mm A = 2000 mm A = 1200 mm E - 83 GPa E = 70 GPa | E = 200 GPa P1 500 mm 250 mm' 350 mm

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter12: Composite Materials

Section: Chapter Questions

Problem 12.3P

See similar textbooks

Similar questions

In Example Problem 12.1, a uniaxial composite material is made into a circular rod Vbith a 1.27-cm diameter from 70 volume percent continuous carbon fibers and 30 volume percent epoxy. The rod is subject to an axial force of 100,000 N. The composite matcrial in Example Problem 12.1 is to be replaced with a less expensive composite made of 70 volume percent continuous E-glass fibers and 30 volume percent epoxy. The elastic moduli are 5 GPa for the epoxy resin and 72.4 GPa fos the E-glass. (a) Compare the elastic modulus, composite strain, fiber and matrix stresses, and density of this composite with the carbon epoxy composite in Example Problem 12.1. Usc the density of UHM carbon, and assume the density of the epoxy is 1.2g/cm3 . (b) Can both the E-glass fiber and matrix withstand the applied force?
The composite bar is initially stress-free. Calculate the stress in each material and indicate tension or compression if the temperature has increased to 25°C. Consider that the walls are unyielding and suitably braced to prevent buckling. Use 2 decimal places.
Determine the maximum moment of inertia of the composite figure shown below, in mm^4.
The composite bar shown in the figure is firmly attached to unyielding supports. An Axial force P = 52 kips is applied at 69∘F. Compute the stress (ksi) in the Aluminum at 118 ∘F. Assume α= 6.5 x 10-6/∘ F for steel and 12.8 x 10-6/∘F for aluminum Given: L1 = 17in; L2 = 11in Your final answer should contain two decimal places
The trimetallic composite section in Figure 4 is compressed by an axial load P = 12 kN applied through a rigid plate. The section consists of a circular steel core surrounded by 2 brass and copper shells. The steel core has a diameter of 10mm, the brass shell has an external diameter of 15mm, and the copper shell has an external diameter of 20mm. The corresponding modulus of elasticity are Ea = 210 GPa, El = 100 GPa and Ec = 120 GPa.(a) Calculate the compressive stress σa, σl, and σc, in the steel, brass, and copper, respectively, that produces the force P.
UPVOTE will be given! Please write the solutions completely and legiby. Box the final answer. Answer in 3 decimal places! Strength of Materials The assembly shown is made up of T-shape steel and two wood as shown. A bending moment M is applied to the composite beam. Given: Es = 200 GPa Ew = 25 GPa M = 90 kN.M h = 200 mm a. Calculate the distance of the centroid from the bottom of the beam in mm. b. Calculate the absolute maximum stress in the wood in MPa.
A representative reinforced concrete composite beam section is shown in the figure below. The number of reinforcement is 6 and the diameter of the reinforcement is 16 meters. cross section Determine the neutral axis (x) and calculate the maximum normal stresses that will occur in concrete and steel. It will be assumed that the concrete does not carry tensile stress. The modulus of elasticity of the steel is 200000 Mpa. The modulus of elasticity of concrete is 28000 Mpa. The section width is b= 400 mm. Take the cover as 50 mm. (The maximum bending moment acting on the section is 59 kNm and d= 700 mm.)
The figure shows a composite bar, it is stress free before the axial loads P1 and P2 are applied. Assuming that the walls are rigid, calculate the stress in each material if p_{1} = 120 kN and P2 - 80 kN.
determine the moment of inertia of the composite area about x and y axis. a=3 b=6 c=3 d=4
The composite shaft, consisting of aluminum, copper, and steel sections, is subjected to the loading shown. The cross-sectional areas of sections AB, BC, and CD are AAB = 0.08 in², ABC = 0.11 in², and Acp = 0.06 in², respectively. The modulus of elasticity for each section are shown in the figure. Neglect the size of the collars at B and C.
Calculate the modulus of elasticity of fiberglass under isostrain condition if the fiberglass consists of 70% E-glass fibers and 30% epoxy by volume. Also, calculate the percentage of load carried by the glass fibers. The moduli of elasticity of the glass fibers and the epoxy are 70.5 and 6.9 GPa, respectively. If a longitudinal stress of 60 MPa is applied on the composite with a cross-sectional area ofm300 mm2, what is the load carried by each of the fiber and the matrix phases? What is the strain sustained by each of the fiber and the matrix phases?
The composite bar consist of a 20mm diameter A-36 steel segment and 50mm diameter red brass end segments DA and CB. Determine the average normal stress in each segment due to the applied load. Est = 200gPa ; Ebr = 101gPa