Materials Science And Engineering Properties
1st Edition
ISBN: 9781111988609
Author: Charles Gilmore
Publisher: Cengage Learning
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Chapter 8, Problem 96CQ
To determine
To fill in the blank with an appropriate word.
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The following are functions of a matrix, EXCEPT:
Subjects the fibers, which carry most of the load, to stresses
Reduces the propagation of cracks in the composíte
O Subjects the fibers from physical damage and the environment
7
Has the same composition at any point?
a. Isotropic
b. Composite
c. Prismatic
d. Homogeneous
8.
The composite material exhibits elastic properties in one direction
different from that in the perpendicular direction.
Orthotropic
b. Anisotropic
Isotropic
d. Aeolotropic
а.
с.
Materials having the same properties in all directions.
a. Isotropic
b. Anisotropic
c. Aeolotropic
d. Orthotropic
10
The term for the value above which the stress is no longer
proportional to the strain.
a. Proportional limit
b. Plastic Range
Rupture Stress
d. Elastic Range
с.
Which one is NOT correct about composite materials?
(A
Unidirectionally aligned fiberglass-reinforced PMC composites have isotropic mechanical properties.
B) one of the roles of the matrix material in composite materials is to transfer the applied load to the reinforcement
One of the motivations to manufacture composite materials is reducing the weight
Chapter 8 Solutions
Materials Science And Engineering Properties
Ch. 8 - Prob. 1CQCh. 8 - Prob. 2CQCh. 8 - Prob. 3CQCh. 8 - Prob. 4CQCh. 8 - Prob. 6CQCh. 8 - Prob. 7CQCh. 8 - Prob. 8CQCh. 8 - Prob. 9CQCh. 8 - Prob. 10CQCh. 8 - Prob. 11CQ
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- Composite _________ is produced by laying fibers in random directions in a plane.arrow_forwardThe frame of a space shuttle type vehicle must have a high yield strength and high stillness, and the most important design factor is weight. Of all the materials presented in this chapter, what material might be the most suitable for the frame of a space shuttle? Assume that there will be both tensile and compressive stresses. For a space shuttle, cost is not a limiting factor. (a) You can eliminate entire classes of materials from consideration with a brief statement about their unsuitability. (b) What material has the highest specific yield strength? Give the yield strength, specific gravity, specific yield strength, elastic modulus, and specific elastic modulus for this material. (c) What material has the highest specific elastic modulus? Give the yield strength, specific gravity, specific yield strength, elastic modulus, and specific elastic modulus for this material. (d) Compare the materials with the highest specific yield strength and highest specific elastic modulus for suitability in the space shuttle frame. (C) Discuss the suitability of the top-rated material for this design from the viewpoint of the ability to produce a frame.arrow_forwardd) No increase Which of the following is not a property of steel materials? C a) Homogeneous and isotropic b) Linearly elastic stress-strain behavior c) Recyclable d) Fire-resistantarrow_forward
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