Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
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Chapter 12.15, Problem 24KCP
What does an asphalt mix consist of? What is the asphalt content of a type IV road-paving asphalt?
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16) Composite material with plastic as a matrix material can be used as biomaterials
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119) fiber orientation in composite material is (which)I. one-dimensional continuous fibersII. planar continuous fibers in the form of woven fabricIII. random discontinuous fibersA. only IB. I AND IIC. All of them
D.II and III
121) Between the phases of the composite material, intermediate and intermediate phases are like which of the following?A. Direct adhesion between primary and secondary phasesB. Interphase formation between primary and secondary phases by addition of third component for adhesionC. Formation of interphase by dissolving primary and secondary gases at their own boundariesA. A and cB. Only aC. only cD.B.E. All
Question 11
You are designing a glass fibre composite material which
needs to have good ductility. The resin matrix for this
composite should be:
o a thermoset because the cross links make them more ductile
o a thermoset because the long carbon chains make them more ductile
o a thermoplastic because the long carbon chains make them more ductile
o a thermoplastic because the cross links make them more ductile
Question 12
An example of a composite material is:
o Mercury
o Polyvinylchloride
o Wood
o An annealed 1040 steel
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Which of the following are incorrect regarding the crystallinity and mechanical behavior of polymers? a. Strain softening happens in elastomers where the deformation gradually leads to a decrease in stiffness under constant strain rate b. As temperature is reduced, necking behavior of plastic tensile bars completely disappears C. The stress-strain curve slope for totally elastic and brittle polymers is always positive d. Heat treatment always results in enhanced polymer strength, modulus, and brittleness e. Semi-crystalline polymers are heat treated to increase crystallinity and improve strength f. Increasing the degree of crystallinity generally increases polymer strength, elastic modulus, and ductility in semi-crystalline polymersarrow_forwardWhich statement is correct regarding the structure of polymers? O a. Degree of crystallinity and elongation at break have an inverse relationship O b. Strength increases at higher temperatures as the material softens O c. The tendency of a polymer to crystallize increases with increasing molecular weight Semi-crystalline polymers are heat treated to increase the crystallinity and improve polymer strength Amorphous & semi-crystalline polymers have lower strength than crystalline polymers Increasing the degree of crystallinity generally increases polymer strength, elastic modulus, and ductility in semi-crystalline polymers O g. It is desirable to have a ductile-to-brittle transition temperature below room temperature O d. Oe. O f.arrow_forwardWhich statement is correct regarding the structure of polymers? a. Increasing the degree of crystallinity generally increases polymer strength, elastic modulus, and ductility in semi-crystalline polymers b. Amorphous & semi-crystalline polymers have lower strength than crystalline polymers c. Semi-crystalline polymers are heat treated to increase the crystallinity and improve polymer strength d. The tendency of a polymer to crystallize increases with increasing molecular weight e. Strength increases at higher temperatures as the material softens f. It is desirable to have a ductile-to-brittle transition temperature below room temperature g. Degree of crystallinity and elongation at break have an inverse relationshiparrow_forward
- Which of the following are incorrect regarding the crystallinity and mechanical behavior of polymers? a. As temperature is reduced, necking behavior of plastic tensile bars completely disappears b. Semi-crystalline polymers are heat treated to increase crystallinity and improve strength c. Heat treatment always results in enhanced polymer strength, modulus, and brittleness d. Strain softening happens in elastomers where the deformation gradually leads to a decrease in stiffness under constant strain rate e. Increasing the degree of crystallinity generally increases polymer strength, elastic modulus, and ductility in semi-crystalline polymers f. The stress-strain curve slope for totally elastic and brittle polymers is always positivearrow_forwardIzod impact strength average of linear molecules polyethylene is- ---- J/m^2 * 549 no break 1070 The Shore D hardness of high density polyethylene matrix composite is 80, so the elastic modulus is MPa * 9.351712004 6.785308179 8.0685100915 The elastic modulus of high density polyethylene matrix composite is 7.337470365 MPa , so the Shore A hardness IS -- --- * 74.5 74.25 تحسين علي عبدالسا.. . أنت YA+ 75.75arrow_forwardWhich of the following is incorrect regarding the degree of crystallinity of semi-crystalline polymers? (This question has more than one correct answer) a. Increasing the degree of crystallinity generally increases polymer strength, elastic modulus and ductility in semi-crystalline polymers b. Semi-crystalline polymers are heat treated to increase the crystallinity and improve polymer strength c. The tendency of a polymer to crystalize decreases with increasing molecular weight d. Heat treatment always results in enhanced polymer strength, elastic modulus and brittlenessarrow_forward
- B- Clarify The behavior of particulate composites and how can calculate the elastic modulus of particulate compositesarrow_forwardSpecifications require that a concrete mix contain 280 kg/m3 and have a water-to-cement ratio of 0.53. How much water should be used in the mix?arrow_forwardOn the basis of fiber length and orientation, which of the following results to an 'isotropic' properties of fiber-reinforced composites. Continuous and aligned Discontinuous and randomly oriented Discontinuous and alignedarrow_forward
- Which of the following is correct regarding the degree of crystallinity of semi-crystalline polymers? Semi-crystalline polymers are heat treated to increase the crystallinity and improve polymer strength The tendency of a polymer to crystallize increases with increasing molecular weight Degree of crystallinity and tendency to creep have an inverse relationship Increasing the degree of crystallinity generally increases polymer strength, elastic modulus and ductility in semi-crystalline polymersarrow_forwardCarbon fibers are used to reinforce with the matrix in the fiber-reinforced polymers. Select one: True Falsearrow_forwardAn unknown polymer sample was found to have the following molecular weight distribution: Molecular weight range Wi 8,000 - 20,000 0.05 0.02 20,000 – 32,000 0.15 0.08 32,000 - 44,000 0.21 0.17 44,000 – 56,000 0.28 0.29 56,000 - 68,000 0.18 0.23 68,000 - 80,000 0.10 0.16 80,000 - 92,000 0.03 0.05 Which of the following common polymers is this sample? (This question has only one correct answer)arrow_forward
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composite-materials; Author: Tonya Coffey;https://www.youtube.com/watch?v=Vu6ik-bcKf4;License: Standard youtube license