Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Chapter 9, Problem 47SDP
What applications for composite materials can you think of in addition to those given in Section 9.4? Why do you think your applications would be suitable for these materials?
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Chapter 9 Solutions
Manufacturing Engineering & Technology
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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- Classify the types of composite materials based on the matrix and reinforcement materials. Briefly explain the main characteristics of Polymeric Matrix Composites (PMC) and their engineering applications.arrow_forwardWhy are composites used in engineering?arrow_forwardwhat is specific strength? why fibers have very high specific strength?arrow_forward
- Describe three of the functions of the matrix in fibre- reinforced composites. With the aid of sketches compare and contrast the fatigue fracture appearance between an alloy that failed at a low fatigue load and one that failed at a high fatigue load. Propose and briefly describe one non-destructive method that can be used to detect small cracks on the surface of a metallic alloy.arrow_forwardSome pistons for automobile engines might be produced from a composite material containing small,hard silicon carbide particles in an aluminium alloy matrix.explain what benefits each material in the composite may provide to the overall part.what problems might the different properties of the two materials cause in producing the part?arrow_forwardRegarding amorphous plastics, explain why they tend to have higher tensile strength when deformed compared to when not. please include an illustrationarrow_forward
- (b) Which of the following plastic and composite materials processing is most suitable for the application of polymer automotive body panel? Explain how the selected manufacturing process selected can be used to produce the product shown in Figure 1.2 below • Injection Moulding • Reaction injection Moulding (RIM) • Blow Moulding • Rotational Moulding • Thermoforming • Compression Moulding (CM) • Transfer Moulding (TM) • Casting • Foam Moulding SULIT SULIT (BMCG 2323) Figure 1.2 Example of polymer automotive body panelarrow_forwardVarious patterns of loading continuously aligned fiber-reinforced composites with the help of diagrams.arrow_forward1) What types of products are made using a spider-mandrel die? Why can lubricants not be used in spider-mandrel extrusion? 2) Make a survey of various sports equipment and identify the components made of composite materials. Explain the reason for and the advantages of using composites in these specific applications.arrow_forward
- Explain and discuss the differences on the mechanical properties/behaviours of i) metals, ii) ceramics, iii) polymers and iv) composite materials by drawing figures.arrow_forwardPlease solve accurate and exact answers sir please!! (it must be typed not handwritten) Thanks!!arrow_forwardComposite materials represent important part of engineering materials and their use is on the rise for high performance engineering applications. You will need to choose one engineering composite system and critically describe the production method. Support your answer with relevant data and ICT graphs.arrow_forward
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