EBK MANUFACTURING ENGINEERING & TECHNOL
7th Edition
ISBN: 8220100793431
Author: KALPAKJIAN
Publisher: PEARSON
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Chapter 9, Problem 10RQ
Describe the purpose of the matrix material.
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Chapter 9 Solutions
EBK MANUFACTURING ENGINEERING & TECHNOL
Ch. 9 - Distinguish between composites and metal alloys.Ch. 9 - Describe the functions of the matrix and the...Ch. 9 - Name the reinforcing fibers generally used to make...Ch. 9 - What is the range in length and diameter of...Ch. 9 - List the important factors that determine the...Ch. 9 - Comment on the advantages and limitations of...Ch. 9 - What are the most commonly used matrix materials?...Ch. 9 - Describe the advantages of hybrid composites over...Ch. 9 - What material properties are improved by the...Ch. 9 - Describe the purpose of the matrix material.
Ch. 9 - What are the most common types of glass fibers?Ch. 9 - Explain the difference between a carbon fiber and...Ch. 9 - How can a graphite fiber be made electrically and...Ch. 9 - What is a whisker? What is the difference between...Ch. 9 - Describe the composition of boron fibers. Why are...Ch. 9 - Give a succinct definition of fiber, yarn, and...Ch. 9 - How do you think the use of straw mixed with clay...Ch. 9 - What products have you personally seen that are...Ch. 9 - Describe applications that are not well suited for...Ch. 9 - Is there a difference between a composite material...Ch. 9 - Identify metals and alloys that have strengths...Ch. 9 - What limitations or disadvantages do composite...Ch. 9 - Give examples of composite materials other than...Ch. 9 - Explain why the behavior of the materials depicted...Ch. 9 - Explain why fibers are so capable of supporting a...Ch. 9 - Do metal-matrix composites have any advantages...Ch. 9 - Give reasons for the development of ceramic-matrix...Ch. 9 - Explain how you would go about determining the...Ch. 9 - How would you go about trying to determine the...Ch. 9 - Glass fibers are said to be much stronger than...Ch. 9 - Describe situations in which a glass could be used...Ch. 9 - When the American Plains states were settled, no...Ch. 9 - By incorporating small amounts of a blowing agent,...Ch. 9 - Referring to Fig. 9.2c, would there be an...Ch. 9 - Calculate the average increase in the properties...Ch. 9 - In Example 9.1, what would be the percentage of...Ch. 9 - Calculate the percent increase in the mechanical...Ch. 9 - Calculate the stress in the fibers and in the...Ch. 9 - Repeat the calculations in Example 9.1 if (a)...Ch. 9 - Refer to the properties listed in Table 7.1. If...Ch. 9 - Plot the elastic modulus and strength of an...Ch. 9 - For the data in Example 9.1, what should be the...Ch. 9 - It is desired to obtain a composite material with...Ch. 9 - A rectangular cantilever beam, 100 mm high, 20 mm...Ch. 9 - What applications for composite materials can you...Ch. 9 - Using the information given in this chapter,...Ch. 9 - Would a composite material with a strong and stiff...Ch. 9 - Make a list of products for which the use of...Ch. 9 - Inspect Fig. 9.1 and explain what other components...Ch. 9 - Name applications in which both specific strength...Ch. 9 - What applications for composite materials can you...Ch. 9 - As with other materials, the mechanical properties...Ch. 9 - Developments are taking place in techniques for...Ch. 9 - As described in this chapter, reinforced plastics...Ch. 9 - Comment on your observations on the design of the...Ch. 9 - Make a survey of various sports equipment and...Ch. 9 - Several material combinations and structures were...Ch. 9 - It is possible to make fibers or whiskers with a...Ch. 9 - Describe how you can produce some simple composite...Ch. 9 - Gel spinning is a specialized process used in...Ch. 9 - Figure P9.65 shows a section of a...
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- If you are the manufacturing engineer in a plant that produces composite materials to be used in different products, your customers require a tough, strong, and light material for their products What in terms of material will you recommend for the matrix, and for the reinforcement agent. What will be the form of reinforcement agent. What will be the direction of it. Your answer should be related only to the subjects you have studied in this course inly.arrow_forwardif two option are correct choose both of themarrow_forward16) Composite material with plastic as a matrix material can be used as biomaterials Select one: True Falsearrow_forward
- 3 Below are a set of carbon fibre propeller blades. Identify the most appropriate construction method for the blades. wole loop viwala lens of voll di woled or blow, Used with permission from Hartzell Propeller. Retrieved from: http://hartzellprop.com/products/propeller- systems/composite-propellers-piston-engine-aircraft/ (A) CNC 3D machining (B) Extrusion (C) Injection moulding (D) Vacuum lay up 020-000 Los of ins (8) asorgob 008 co pronarpent ovew oibersaryollot sdi to doinw no bettimans al 210 Dener SHU THarrow_forwardWhat is the primary purpose of the fibers in a composite material? Of the matrix?arrow_forwardChoose the bestarrow_forward
- Define the term falling block?arrow_forwardTypes of post treatment for 3D printed plastics?arrow_forwardThe figure shown below (Fig. 2) is a schematic representation of a scissor jack in two different positions. The maximum load that this mechanism must withstand is 800 kg. 4 are proposed different materials to make the jack arms and spindle. The mechanical properties and some Physical characteristics of each material are shown in Table 1. a) Based on the properties of each material and the cross section of the arms and the screw, Propose what would be the most suitable material for its manufacture. The length of each arm is 150 mm. The stress on the arms and the spindle must not exceed the yield strength of the material selected for neither of the two analysis positions. b) Using the mechanical properties of the material you selected, calculate the change in dimension that the arms and the spindle of the jack were tested for the two analysis positions. The length of the spindle is 280 mm.arrow_forward
- The following are functions of the matrix phase in composites except It binds the fibers together It holds an externally applied load to the fibers It protects the individual fibers from surface damage It prevents the propagation of cracks from fiber to fiberarrow_forward(b) design guideline. Using the material selection chart provided (Figure 1) and appropriate (i) Select suitable materials for the skateboard deck as a panel under the following conditions: (1) minimum strength is 100 MPa, (2) a high strength per unit mass and (3) the design guideline passing through centre of the wood bubble. Show your design constraint lines on the graph provided and list the selected materials.arrow_forwardExplain various types of composite materials with Applicationsarrow_forward
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