Degarmo's Materials And Processes In Manufacturing
13th Edition
ISBN: 9781119492825
Author: Black, J. Temple, Kohser, Ronald A., Author.
Publisher: Wiley,
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Chapter 20, Problem 58RQ
To determine
The attractive features of liquid phase sintering or reaction sintering.
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لانقطة 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 واحدة
Good wetting of the solid by the liquid is a fundamental requirement for liquid phase sintering. Answer the following questions.
Calculate the dihedtal angle for a ratio of the interfacial energies Yss/ Ysl equal to 1.732 at a particular sintering temperature. How would you describe the microstructure based on your calculation ?
What are the factors that affect on the
sintering process
Chapter 20 Solutions
Degarmo's Materials And Processes In Manufacturing
Ch. 20 - Why are the fabrication processes applied to...Ch. 20 - How does the fabrication of a shaped product from...Ch. 20 - What are some of the methods used to shape...Ch. 20 - What are some of the ways that plastic sheet,...Ch. 20 - Prob. 5RQCh. 20 - What types of polymers are most commonly blow...Ch. 20 - What are some common blow molded products, in...Ch. 20 - Why do blow molding molds typically contain a...Ch. 20 - Prob. 9RQCh. 20 - Prob. 10RQ
Ch. 20 - Prob. 11RQCh. 20 - Prob. 12RQCh. 20 - Prob. 13RQCh. 20 - Prob. 14RQCh. 20 - Prob. 15RQCh. 20 - What are some of the benefits of a hot runner...Ch. 20 - Why is the cycle time for the injection molding of...Ch. 20 - Prob. 18RQCh. 20 - Prob. 19RQCh. 20 - What are some of the ways by which a polymer...Ch. 20 - Prob. 21RQCh. 20 - How can the extrusion process be used to produce...Ch. 20 - Prob. 23RQCh. 20 - Prob. 24RQCh. 20 - Prob. 25RQCh. 20 - What is the difference between open-cell and...Ch. 20 - Prob. 27RQCh. 20 - What types of products are produced by...Ch. 20 - Prob. 29RQCh. 20 - What are some of the general properties of...Ch. 20 - What are some of the attractive features of laser...Ch. 20 - What property of plastics is responsible for...Ch. 20 - Prob. 33RQCh. 20 - Prob. 34RQCh. 20 - Prob. 35RQCh. 20 - Prob. 36RQCh. 20 - Prob. 37RQCh. 20 - Prob. 38RQCh. 20 - Why might threaded inserts be preferred over other...Ch. 20 - What are some of the ways in which metal inserts...Ch. 20 - Prob. 41RQCh. 20 - Why does locating a parting line on a sharp corner...Ch. 20 - Prob. 43RQCh. 20 - Prob. 44RQCh. 20 - Prob. 45RQCh. 20 - What property changes occur during vulcanization?Ch. 20 - Prob. 47RQCh. 20 - Prob. 48RQCh. 20 - How are glass fibers produced?Ch. 20 - Prob. 50RQCh. 20 - Prob. 51RQCh. 20 - What are glass-ceramics? How are they produced?Ch. 20 - Prob. 53RQCh. 20 - Describe the differences between the injection...Ch. 20 - Prob. 55RQCh. 20 - What is the difference between slip casting and...Ch. 20 - Prob. 57RQCh. 20 - Prob. 58RQCh. 20 - How does cementation differ from sintering?Ch. 20 - What are the benefits and limitations of machining...Ch. 20 - Prob. 61RQCh. 20 - Why are joining operations usually avoided when...Ch. 20 - Prob. 63RQCh. 20 - Discuss some of the design guidelines that relate...Ch. 20 - Prob. 65RQCh. 20 - Why are the processes used to fabricate...Ch. 20 - How are metals and ceramics combined in the...Ch. 20 - What are some of the processes that can be used to...Ch. 20 - What conditions might be attractive for...Ch. 20 - Prob. 70RQCh. 20 - Prob. 71RQCh. 20 - Prob. 72RQCh. 20 - Prob. 73RQCh. 20 - What are some of the ways that liquefied matrix...Ch. 20 - Prob. 75RQCh. 20 - Prob. 76RQCh. 20 - Prob. 77RQCh. 20 - In what way is pultrusion similar to wire drawing?Ch. 20 - Prob. 79RQCh. 20 - What are some typical products that are made by...Ch. 20 - Prob. 81RQCh. 20 - Prob. 82RQCh. 20 - Prob. 83RQCh. 20 - Prob. 84RQCh. 20 - Prob. 85RQCh. 20 - Prob. 86RQCh. 20 - What is the difference between reaction injection...Ch. 20 - Prob. 88RQCh. 20 - Prob. 89RQCh. 20 - What is a common property objective in...Ch. 20 - Prob. 91RQCh. 20 - Prob. 92RQCh. 20 - Prob. 93RQCh. 20 - What is the major concern when considering the...Ch. 20 - Prob. 95RQCh. 20 - Prob. 1PCh. 20 - Figure 20.A depicts the handles of two large...Ch. 20 - Tires are the dominant product of the rubber...Ch. 20 - Prob. 4PCh. 20 - Prob. 6PCh. 20 - Prob. 8PCh. 20 - Prob. 1.1CSCh. 20 - For plastic (high-density polyethylene)...Ch. 20 - What might be the pros and cons of weldable...Ch. 20 - Prob. 1.5CSCh. 20 - Prob. 1.6CSCh. 20 - Prob. 1.7CSCh. 20 - Crashworthiness is an important safety...Ch. 20 - Prob. 1.9CSCh. 20 - Prob. 1.10CSCh. 20 - Prob. 1.11CSCh. 20 - Prob. 2.1CSCh. 20 - Prob. 2.2CSCh. 20 - Prob. 2.3CSCh. 20 - Prob. 2.4CSCh. 20 - Prob. 2.5CS
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- Question 3: a) What is solid state sintering? How is solid state sintering classified. What are the distinct features of each stage. Briefly explain your answer. b) What are the two main differences between solid state sintering and liquid phase sintering.arrow_forwardanswer quicklyarrow_forwardA process that is used to make high-quality technical ceramics is called sintering (see images below). During the early stage of sintering, individual particles are attached by the formation of necks. How do the so-called necks form? (In other words, what processes are occurring that cause the necks to form?)arrow_forward
- 4. How might you propose to fabricate this product? 5. Would the product require heat treatment? For what purpose? What kind of treatment? 6. Would this product require any surface treatment or coating? For what purpose? What would you recommendarrow_forwardPLEASE ANSWER QUICKLYarrow_forwardSintering of ceramics may exhibit the following characteristics: Select one or more: a. The surface energy of the system increases b. It involves the high-pressure deformation of a pre-existing shape into a new form c. Pores become larger on average d. Pores become smaller e. Parts of the material may become amorphous f. The total surface area (including internal area) decreasesarrow_forward
- 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.arrow_forwardSintering of ceramics may exhibit the following characteristics: Select one or more: a. It involves the high-pressure deformation of a pre-existing shape into a new form b. The total surface area (including internal area) decreases C. Pores become smaller d. Pores become larger on average Parts of the material may become amorphous Of. The surface energy of the system increases e.arrow_forwardWhich of the following processes are the plastic forming methods used in the shaping of traditional ceramics (three correct answers): Odry pressing O extrusion O jangling O jiggering O jolleying Oslip casting O spinningarrow_forward
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