Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Chapter 9, Problem 17QLP
How do you think the use of straw mixed with clay originally came about in making brick for dwellings?
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P4 Describe the properties and applications of composite products manufactured using manual and automated layup, filament winding, pultrusion and, resin transfer moulding processes.
In 2018, 25% of produced flat glass were recycled back as a raw material in the production of flat glass as it yielded sustainable impacts such as the reduction of energy requirement to heat up the furnace since the mixture will melt easily. In your opinion, can other types of glass wastes (eg. tempered glass, glass bottles, etc) be used as a raw material in the production of flat glass. Justify your answer by providing references.
Question 6
During an extrusion process, a chromium billet at a temperature of 1300°C,
need to be extruded from a billet diameter of 13 mm to a final diameter of
0.35 mm. An extrusion die are required to withstand the temperature and
forces occurring during the process.
6.1
Which ceramic material will you suggest for this application? Provide reasons
for your selection.
6.2
If the ceramic material, selected in Question 6.1 have an UTS. = 915 MPa,
porosity of 16 % and n = 4, calculate the tensile strength and elastic modulus
of the ceramic at room temperature.
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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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
- An electrical contact material is produced by infiltrating copper into aporous tungsten carbide (WC) compact. The density of the final composite is 12.3g/cm3. Assuming that all of the pores are filled with copper, calculate (a) the volumefraction of copper in the composite, (b) the volume fraction of pores in the WCcompact prior to infiltration, and (c) the original density of the WC compact beforeinfiltration.arrow_forwardFor a powder binding process that mixes a 1:2 volume ratio mixture of semi-crystalline polyethylene powder with a density of 0.900 g/cm³ and crystalline polyethylene powder, what is the percent crystallinity of the manufactured parts? (The density of polyethylene in its amorphous and crystalline states is 0.870 g/cm³ and 0.998 g/cm³ respectively) (This question has only one correct answer) О а. % Crystallinity = 55.45% O . % Crystallinity = 57.25% О с. % Crystallinity = 76.99% Od. % Crystallinity = 82.30% % Crystallinity = 65.50%arrow_forwardFor a powder binding process that mixes a 1:2 volume ratio mixture of semi-crystalline polyethylene powder with a density of 0.900 g/cm³ and crystalline polyethylene powder, what is the percent crystallinity of the manufactured parts? (The density of polyethylene in its amorphous and crystalline states is 0.870 g/cm3 and 0.998 g/cm3 respectively) (This question has only one correct answer) O a. % Crystallinity = 65.50% O b. % Crystallinity = 57.25% С. % Crystallinity = 82.30% O d. % Crystallinity = 76.99% е. % Crystallinity = 55.45%arrow_forward
- Briefly explain the Casting and Molding processes and define their basic requirements. If a manufacturer was asked to produce a set of plastic bottles, which method would you suggest?Justify your answer.arrow_forwardIn full mould (cavity-less) casting process, the pattern is made of (A) Expanded polystyrene (B) Wax (C) Epoxy (D) Plaster of Parisarrow_forwardWhat means product quality ? What characristics does the term product quality include ? 2 - what steps are included in the molding process, list them ?arrow_forward
- A pudding mix is being formulated to achieve a total solids content of 20% in the fi nal product. The initial product has a temperature of 60C and is preheated to 90C by direct steam injection using saturated steam at 105C. If there is no additional gain or loss of moisture from the product, what is the total solids content of the initial product?arrow_forwardلانقطة واحدة of Warm working The advantages over cold working are: 1) forces and power are higher,2) more intricate work geometries possible, and 3) need for annealing may be reduced .or eliminated T F Blow molding is an important industrial process for making one- piece hollow plastic parts with thick .walls T Sly The sequence of the Blow Molding is automated and often integrated with downstream operations such .as bottle filling and labeling T لنقطة واحدةarrow_forwardI need the answer by handwritenarrow_forward
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