Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
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Chapter 12.15, Problem 25KCP
To determine
What are the different layers in the cross-section of a tree stem? Write their functions.
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ii) A continuous and aligned glass fiber-reinforced composite consist of 40 vol% of glass fibers
having a modulus of elasticity of 69 GPa and 60 vol% of polyester resin that, when hardened,
displays a modulus of 3.4 GPa. Find the modulus of elasticity of this composite in the
longitudinal direction.
Chapter 12 Solutions
Foundations of Materials Science and Engineering
Ch. 12.15 - Define a composite material with respect to a...Ch. 12.15 - Prob. 2KCPCh. 12.15 - What are some of the advantages of glass...Ch. 12.15 - Prob. 4KCPCh. 12.15 - Prob. 5KCPCh. 12.15 - What properties make carbon fibers important for...Ch. 12.15 - Prob. 7KCPCh. 12.15 - Prob. 8KCPCh. 12.15 - Prob. 9KCPCh. 12.15 - Prob. 10KCP
Ch. 12.15 - Prob. 11KCPCh. 12.15 - Prob. 12KCPCh. 12.15 - Prob. 13KCPCh. 12.15 - Prob. 14KCPCh. 12.15 - Prob. 15KCPCh. 12.15 - Describe the sheet-molding compound manufacturing...Ch. 12.15 - Prob. 17KCPCh. 12.15 - Prob. 18KCPCh. 12.15 - What are the basic raw materials for portland...Ch. 12.15 - What are the names, chemical formulas, and...Ch. 12.15 - List the five main ASTM types of portland cement...Ch. 12.15 - What is asphalt? Where is asphalt obtained?Ch. 12.15 - What are chemical composition ranges for asphalts?Ch. 12.15 - What does an asphalt mix consist of? What is the...Ch. 12.15 - Prob. 25KCPCh. 12.15 - What are the subrings of the annual growth rings...Ch. 12.15 - Prob. 27KCPCh. 12.15 - Prob. 28KCPCh. 12.15 - Prob. 29KCPCh. 12.15 - Prob. 30KCPCh. 12.15 - Prob. 31KCPCh. 12.15 - Prob. 32AAPCh. 12.15 - Prob. 33AAPCh. 12.15 - Prob. 34AAPCh. 12.15 - Prob. 35AAPCh. 12.15 - Prob. 36AAPCh. 12.15 - Prob. 37AAPCh. 12.15 - Prob. 38AAPCh. 12.15 - Prob. 39AAPCh. 12.15 - A unidirectional carbon fiberepoxy resin composite...Ch. 12.15 - Prob. 41AAPCh. 12.15 - Prob. 42AAPCh. 12.15 - Prob. 43AAPCh. 12.15 - Prob. 44AAPCh. 12.15 - Prob. 45AAPCh. 12.15 - If the tensile strength of the Kevlar 49 fibers is...Ch. 12.15 - Prob. 47AAPCh. 12.15 - Prob. 48AAPCh. 12.15 - Prob. 49AAPCh. 12.15 - Prob. 50AAPCh. 12.15 - Prob. 51AAPCh. 12.15 - What types of chemical reactions occur during the...Ch. 12.15 - Prob. 53AAPCh. 12.15 - Which component of portland cement hardens rapidly...Ch. 12.15 - Prob. 55AAPCh. 12.15 - Prob. 56AAPCh. 12.15 - Prob. 57AAPCh. 12.15 - Prob. 58AAPCh. 12.15 - Prob. 59AAPCh. 12.15 - Prob. 60AAPCh. 12.15 - Prob. 61AAPCh. 12.15 - Prob. 62AAPCh. 12.15 - Prob. 63AAPCh. 12.15 - Prob. 64AAPCh. 12.15 - Prob. 65AAPCh. 12.15 - Prob. 66AAPCh. 12.15 - Prob. 67AAPCh. 12.15 - Prob. 68AAPCh. 12.15 - Prob. 69AAPCh. 12.15 - What characteristics are desirable for the...Ch. 12.15 - Prob. 71AAPCh. 12.15 - Prob. 72AAPCh. 12.15 - Prob. 73AAPCh. 12.15 - Prob. 74AAPCh. 12.15 - Prob. 75AAPCh. 12.15 - Prob. 76AAPCh. 12.15 - Prob. 77AAPCh. 12.15 - Why does wood shrink much more in the transverse...Ch. 12.15 - A newly developed metal-matrix composite is made...Ch. 12.15 - Prob. 81AAPCh. 12.15 - Prob. 82AAPCh. 12.15 - Prob. 83AAPCh. 12.15 - Prob. 84AAPCh. 12.15 - Prob. 85AAPCh. 12.15 - Prob. 86AAPCh. 12.15 - Prob. 87SEPCh. 12.15 - Prob. 88SEPCh. 12.15 - Prob. 89SEPCh. 12.15 - Prob. 90SEPCh. 12.15 - Prob. 91SEPCh. 12.15 - Prob. 92SEPCh. 12.15 - (a) In Problem 12.94, if all three beams are to...Ch. 12.15 - Prob. 97SEPCh. 12.15 - Prob. 98SEPCh. 12.15 - Prob. 99SEPCh. 12.15 - Prob. 100SEPCh. 12.15 - Prob. 101SEPCh. 12.15 - Prob. 102SEPCh. 12.15 - Prob. 103SEPCh. 12.15 - Prob. 104SEPCh. 12.15 - In total hip replacement, most surgeons prefer a...
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- electric highline cable contains one cold-drawn steel wire and six annealed aluminum wires, each with a 2 mm diameter (the steel provides the required strength; the aluminum, the conductivity). If the steel and aluminum have elastic modulus values of 205 GPa and 70 GPa, respectively, what is the overall stiffness for the composite cable?arrow_forward1. An element of graphite-reinforced composite is completely dry and is constrained against any dimensional changes in the 1 and 2 directions, but it is free to expand in the 3 direction. The element absorbs 1.5% of its dry weight in the form of moisture. (a) What is the strain in the 3 direction as a result of the moisture absorption? Why is this strain different from the value given by B3AM? (b) What stresses develop in the element? Assume that moisture absorption does not influence the material properties.arrow_forwardCalculate the heat capacity of liquid water per molecule, in terms of k. Suppose (incorrectly) that all the thermal energy of water is stored in quadratic degrees of freedom. How many degrees of freedom would each molecule have to have?arrow_forward
- The 3D printing approach shown below is fused deposition modelling (FDM), where feedstock polymer is fed into the heated printer nozzle and deposited onto the platform to form the final object in the desired geometry. Which of the polymers below are suitable for this process and what nozzle temperature should be used for that material? Z AXIS X AXIS HOME Y AXIS D LEGEND: A : Extruder B: Nozzle C: Printed part D: Hot plate E: Filament Select one or more: a. Polyvinyl chloride - 110°C (for PVC: Tg = 120°C, Tmelt = 240°C, HDT = 92 °C) b. ABS-125°C (for ABS: Tg = 140°C, Tmelt = 200°C, HDT = 100 °C) c. Polyvinyl chloride - 250°C (for PVC: Tg = 120°C, Tmelt = 240°C, HDT = 92 °C) d. ABS-215°C (for ABS: Tg = 140°C, Tmelt = 200°C, HDT = 100 °C)arrow_forwardLightweight epoxy composite with thermal insulation properties is required. Use a hollow glass ball as a stabilizer. Glass balls 1/16 inch in diameter and 0.001 inch in wall thickness. It weighs one foot and has a density of 0.65 g / cm3 The glass ball epoxy of any weight trying to produce a composite to do more? The density of glass is 2.5 g / cm3 and that of epoxy is 1.25 g / cm3arrow_forwardA composite material that has boron fibers coated in aluminum has a density of 2.65 g/cm^3. The fibers have a Young's modulus of 380 GPa, and aluminum has a Young's modulus of 70 GPa. The density of the fibers is 2.36 g/cm^3 and the density of the aluminum is 2.70 g/cm^3. What is the volume of the matrix? Answer:arrow_forward
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- 16) Composite material with plastic as a matrix material can be used as biomaterials Select one: True Falsearrow_forwardBoron coated with SiC reinforced aluminium containing 40 vol.% fibers is animportant high temperature, light weight composite material. Estimate the density,modulus of elasticity and tensile strength of composite parallel to the fiber axis. Alsoestimate the modulus of elasticity of composite perpendicular to the fibres.arrow_forwardIn the analysis of stress transfer along the length of the short fiber, it was assumed that the matrix is a perfectly plastic material for which the strength was T= Ty and the stress distribution was obtained as of= 2*Tyz'r where z is the distance from fiber end and 2r is the interface diameter of the fiber. Consider a linear variation of interface shear stress as T = Ty-kz, where k is a constant. Assuming this linear variation, derive an expression for the load transfer length in terms of maximum fiber stress (occurring at mid fiber length), fiber radius and the matrix shear stress Ty-arrow_forward
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composite-materials; Author: Tonya Coffey;https://www.youtube.com/watch?v=Vu6ik-bcKf4;License: Standard youtube license