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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Textbook Question
Chapter 1, Problem 29RQ
What kind of process is powder metallurgy: casting or forming?
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Students have asked these similar questions
8) In powder metallurgy operation, sintering of
components
Improves strength and reduced hardness.
Reduced brittleness and improves strength.
Improves hardness and reduced toughness.
Reduces porosity and increases brittleness
1) What are the advantages of powder
metallurgy?
i. Extreme purity product
ii. Low labour cost
iii. Low equipment cost
i, ii & ii
i & ii only
ii & iii only
i & iii only
17 I. Atomization
II. Electrolytic
II. Skew rolling
IV. Chemical
Principal method(s) by which metallic powders are commercially produced:
a)
I and II
b)
I, II, and IV
C)
I, II, III and IV
I and II
e)
Only I
f) L, Il and III
Chapter 1 Solutions
Degarmo's Materials And Processes In Manufacturing
Ch. 1 - What role does manufacturing play relative to the...Ch. 1 - Arent all goods really consumer goods, depending...Ch. 1 - The Subway sandwich shop is an example of a job...Ch. 1 - How does a system differ from a process? From a...Ch. 1 - Is a cutting tool the same thing as a machine...Ch. 1 - What are the major classifications of basic...Ch. 1 - Casting is often used to produce a...Ch. 1 - In the lost�wax casting process, what happens to...Ch. 1 - In making a gold medal, what do we mean by a...Ch. 1 - How is a railroad station like a station on an...
Ch. 1 - Because no work is being done on a part when it is...Ch. 1 - What forming processes are used to make a paper...Ch. 1 - What is tooling in a manufacturing system?Ch. 1 - It is acknowledged that chipâ€�type machining is...Ch. 1 - Compare Figures 1.1 and 1.16. What are the...Ch. 1 - In a modern safety razor with three or four blades...Ch. 1 - List three purposes of packaging operations.Ch. 1 - Assembly is defined as the putting together of...Ch. 1 - What are the physical elements in a manufacturing...Ch. 1 - In the production system, who usually figures out...Ch. 1 - In Figure 1.8, what do the lines connecting the...Ch. 1 - Characterize the process of squeezing toothpaste...Ch. 1 - It has been said that low-cost products are more...Ch. 1 - Prob. 24RQCh. 1 - If the rolls for the cold-rolling mill that...Ch. 1 - Make a list of service systems, giving an example...Ch. 1 - What is the fundamental difference between a...Ch. 1 - Prob. 28RQCh. 1 - What kind of process is powder metallurgy: casting...Ch. 1 - In view of Figure 1.2, who really determines the...Ch. 1 - What costs make up manufacturing cost (sometimes...Ch. 1 - What are major phases of a product life cycle?Ch. 1 - How many different manufacturing systems might be...Ch. 1 - In general, as the annual volume for a product...Ch. 1 - The Toyota truck plant in Indiana produces 150,000...Ch. 1 - A company is considering making automobile bumpers...Ch. 1 - Many companies are critically examining the...Ch. 1 - We can analogize your university to a...Ch. 1 - What kind of manufacturing system (design) is your...Ch. 1 - What are the major process steps in the assembly...Ch. 1 - What is the relationship between Figures 1.2Â...Ch. 1 - Recently, National Geographic magazine asked the...
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- Which of the following do not pertains to the advantage of using powder metallurgy over casting in fabricating metal products? Allows fabrication for alloys having high melting temperatures. Heat treatment after compaction is unnecessary. Better dimensional tolerances result Porosity may be introduced, the degree of which may be controlledarrow_forwardQUESTION 1 (a) Powder Metallurgy (PM) enables the processing of materials with very high melting points, including refractory metals such as tungsten, molybdenum and tantalum. Such metals are very difficult to produce by melting and casting and are often very brittle in the cast state. As a manufacturing engineer, state and explain at least SIX (6) limitations of powder metallurgy that is not applicable in particular engineering industries. In a case where you were assigned to use powder metallurgy in metal forming, justify at least THREE (3) PM requirements. (b) A coil of sheet metal is placed in a furnace and annealed in order to improve its ductility. Nonetheless, it is found that the sheet metal has a lower limiting drawing (LDR) than it had before the annealing process. Describe the meaning of LDR and explain the reasons for this behaviour by referring to the microstructure and materials' properties point of view for different types of materials. In addition, discuss the process…arrow_forward14) What is the biggest advantage of powder production with self-impact friction wear? A) Preventing contamination B) Being inexpensive C) Producing very little energy D) Noarrow_forward
- Which forming process would you use to make the following composite parts? (Explain) A. A 12" diameter pipe with a 1/4" wall thickness to be used in a chemical plant. B. A roof panel for a road grader. Production is one grader per day. C. Tool chests for contractors. The company produces five units a day. D. Overhead storage bin doors for a passenger jet. A hundred parts are needed for each plane, and production is four planes per month.arrow_forwardThere are several ways of shaping plate or sheet glass. Name and briefly describe one of them.arrow_forwardFor both processes below explain what the process is, how it affects the structure , properties and behaviour of the parent material. A) powder processing of metals B) extrusion of polymersarrow_forward
- Which of the following is a suitable process for creating a hollow 3D shaped component?arrow_forwardPowder Metal Question: You are given alumina powder that comes in large bags and shipped a long distance a. why is it important to sample the powder in the bags ? b. how do you sample the material? c. what might you expect to see in your sampling? d. how do you deal with the issue if present ?arrow_forwardIn the textbook (Fundamentals of Modern Manufacturing Materials, Processes,and Systems 7th Edition by Mikell P. Groover) chapter 4 problem 8, I’m having trouble trying to understand and solve the problem with the information given to me. Image below.arrow_forward
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