Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Textbook Question
Chapter 7, Problem 53QTP
Using strength and density data, determine the minimum weight of a 1-m-long tension member that must support a load of 5000 N, if it is manufactured from (a) high-molecular-weight polyethylene, (b) polyester, (c) rigid PVC, (d) ABS, (e) polystyrene, and (e) reinforced nylon.
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Calculate the density of a composite made with 35% Kevlar-49 fibers in an epoxy resin (ρ = 1.1 kg/m3, E = 2.5 GPa). For Kevlar-49, Ef = 131 GPa; density = 1440 kg/m3
A composite sample of carbon reinforced epoxy has dimensions of 12 in x 12 in x 0.25 in
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value for the modulus of elasticity (c) in the longitudinal direction and (d) the perpendicular
to the carbon fibers?
Calculate the modulus of rigidity (shear
modulus) of an epoxy resin if the modulus of
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Select one:
a. G = 2.6 GPa
b. G = 10 GPa
c. G = 3.15 GPa
d. G= 0.1 GPa
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Chapter 7 Solutions
Manufacturing Engineering & Technology
Ch. 7 - Summarize the important mechanical and physical...Ch. 7 - What are the major differences between the (a)...Ch. 7 - List properties that are influenced by the degree...Ch. 7 - What is the difference between condensation...Ch. 7 - Explain the differences between linear, branched,...Ch. 7 - What is the glass-transition temperature?Ch. 7 - List and explain the additives commonly used in...Ch. 7 - What is crazing?Ch. 7 - What are polyblends?Ch. 7 - List the major differences between thermoplastics...
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