Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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Q6) How does moisture impact tension and compression strength in composites?
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- For the composite area shown below, Find the centroid of the composite area. Determine ly of the composite area about its y' centroidal axis found in part (a).arrow_forwardFor the composite areas shown below, calculate the moment of inertia about axis X-X and Y-Y. Note that the X-X axis is the centroid. Y 10" X 2" 6" 2" 6"arrow_forwardAn FRP composite includes 40% continuous and aligned Aramid fibers byvolume. The moduli of elasticity of the Aramid fibers and the epoxy resinmatrix are 130 and 3.9 GPa, respectively.a. Compute the modulus of elasticity of the composite in the longitudinaland transverse directions.b. If the composite cross-sectional area is 150 mm2 and a stress of 40 MPais applied in the longitudinal direction, compute the load carried by thefibers and the matrix.c. Determine the strain sustained by each of the phases when stress in part(b) is applied.arrow_forward
- For the composite bar indicated, determine the permissible bending moment when the bar is bent about a vertical axis. Aluminum stress is 100 %3D MPa, Brass stress is 160 MPa, Eb = 105 GPa, Ea = 70 GPa Brass 6 mm Aluminum 30 mm 6 mm -30 30 mmarrow_forwardDetermine the location of the centroid of the blue-shaded composite shape. The reference x-axis and y-axis are shown. Dimensions are in millimeters.arrow_forward10arrow_forward
- How do fibers affect the mechanical characteristics of a fiber-reinforced composite?arrow_forwardWhat is the volume fraction of the reinforcement in a polymer matrix composite using epoxy and glass fiber if the volume fraction of glass fiber is 0.30?Ms. A wanted to make a polymer matrix composite using epoxy and glass fiber. The elastic moduli of epoxy and glass fiber are 3 and 70 GPa, respectively. If she wants to incorporate 0.30 volume fraction of glass fiber, determine the elastic modulus (GPa) of the composite in an iso-strain condition. What is the reinforcement in a cement?arrow_forward
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