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 6, Problem 72RQ
What are some of the key limitations to the engineering use of gray cast iron?
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Chapter 6 Solutions
Degarmo's Materials And Processes In Manufacturing
Ch. 6 - Why might it be important to know the prior...Ch. 6 - What is a ferrous material?Ch. 6 - How does the amount of steel that is recycled...Ch. 6 - Why is the recycling of steel so attractive...Ch. 6 - When iron ore is reduced to metallic iron, what...Ch. 6 - What properties or characteristics have made steel...Ch. 6 - What is involved in the conversion of pig iron...Ch. 6 - What are some of the modification processes that...Ch. 6 - What is the advantage of pouring molten metal from...Ch. 6 - What are some of the attractive economic and...
Ch. 6 - Prob. 11RQCh. 6 - What are some of the techniques used to reduce the...Ch. 6 - How might other gases, such as nitrogen and...Ch. 6 - What are some of the attractive features of...Ch. 6 - What is plain�carbon steel?Ch. 6 - What is considered a low�carbon steel?...Ch. 6 - What properties account for the high�volume use...Ch. 6 - Why should plain�carbon steels be given first...Ch. 6 - What are some of the common alloy elements added...Ch. 6 - For what different reasons might alloying elements...Ch. 6 - What are some of the alloy elements that tend to...Ch. 6 - While strength and hardness are dependent on the...Ch. 6 - What alloys are particularly effective in...Ch. 6 - What is the basis of the AISI–SAE classification...Ch. 6 - What is the significance of the last two digits in...Ch. 6 - How are letters incorporated into the AISI–SAE...Ch. 6 - What is an H�grade steel, and when should it be...Ch. 6 - Why should the proposed fabrication processes...Ch. 6 - How are the final properties usually obtained in...Ch. 6 - Prob. 30RQCh. 6 - Prob. 31RQCh. 6 - Prob. 32RQCh. 6 - What is the primary attraction of the...Ch. 6 - Prob. 34RQCh. 6 - What are the two phases that are present in...Ch. 6 - What is the transformation that occurs during the...Ch. 6 - Prob. 37RQCh. 6 - Prob. 38RQCh. 6 - Prob. 39RQCh. 6 - Describe the role of steel in the automotive...Ch. 6 - Prob. 41RQCh. 6 - Prob. 42RQCh. 6 - What are some of the compromises associated with...Ch. 6 - What factors might be used to justify the added...Ch. 6 - What are some of the coating materials that have...Ch. 6 - What are soft magnetic materials?Ch. 6 - Prob. 47RQCh. 6 - What are maraging steels, and for what conditions...Ch. 6 - Prob. 49RQCh. 6 - Prob. 50RQCh. 6 - Prob. 51RQCh. 6 - Why should ferritic stainless steels be given...Ch. 6 - Which of the major types of stainless steel is...Ch. 6 - Under what conditions might a martensitic...Ch. 6 - Prob. 55RQCh. 6 - How can an austenitic stainless steel be easily...Ch. 6 - Prob. 57RQCh. 6 - Prob. 58RQCh. 6 - Prob. 59RQCh. 6 - Prob. 60RQCh. 6 - What is a tool steel?Ch. 6 - How does the AISI–SAE designation system for...Ch. 6 - What is the least expensive variety of tool steel?Ch. 6 - Prob. 64RQCh. 6 - What alloying elements are used to produce the...Ch. 6 - What assets can be provided by the...Ch. 6 - Prob. 67RQCh. 6 - Prob. 68RQCh. 6 - Describe the microstructure of gray cast iron.Ch. 6 - Which of the structural units is generally altered...Ch. 6 - What are some of the attractive engineering...Ch. 6 - What are some of the key limitations to the...Ch. 6 - Prob. 73RQCh. 6 - How is malleable cast iron produced?Ch. 6 - What structural feature is responsible for the...Ch. 6 - Prob. 76RQCh. 6 - What is the purpose of inoculation when making...Ch. 6 - What is fading? Why should ductile iron be...Ch. 6 - What requirements of ductile iron manufacture are...Ch. 6 - What are some of the attractive features of...Ch. 6 - Compacted graphite iron has a structure and...Ch. 6 - What are some of the reasons that alloy additions...Ch. 6 - What properties are enhanced in the high�alloy...Ch. 6 - When should cast steel be used instead of a cast...Ch. 6 - In what ways might a cast steel be more difficult...Ch. 6 - Why are standard geometry test bars often cast...Ch. 6 - Prob. 1PCh. 6 - Select from among the common hand tools in the...Ch. 6 - Prob. 3PCh. 6 - Identify a particular product that has been...Ch. 6 - Prob. 5PCh. 6 - Select among the components in the following list,...Ch. 6 - Prob. 7PCh. 6 - Prob. 8PCh. 6 - Prob. 1CSCh. 6 - Prob. 2CSCh. 6 - Surface Treatment—Depending on the material...
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- Why must cracks in the martensite layer of high-manganese steels be removed?arrow_forward(all of the above is not correct) also could you please provide an explanation to this problem? Thanksarrow_forwardIdentify the correct alloy that has the highest compressive strength property from the following options. Mild Steel Aluminium Carbon Steel Cast Ironarrow_forward
- What is the difference in material property of low carbon & high carbon steels?arrow_forwardWhy are high-carbon steels preheated before welding?arrow_forward1. How does the type of steel used in firearms affect the overall length of its service life? 2. How have the manufacturing processes of the modern Era anabked gunmakers to produce high-quality firearms that will serve the test of time? 3. What are some finishing techniques that may be used to enhance performance as well?arrow_forward
- I. High-compressive strength II. Good machinability III. Good resistance to wear and thermal fatigue IV. Highly brittle Which statement(s) is (are) true for gray iron?arrow_forwardExplain the connection between notch strengthening and material ductility; which is more likely to notch strengthen––pure Al or martensitic steel?arrow_forwardBriefly explain the heat treatment steps of a tool steel by use of proper drawings and explainwhy multiple tempering is applied during heat treatment?arrow_forward
- Explain the basic principle of the following steel making process: 1. Bessemer process 2. Open-heart process 3. Electric Arc processarrow_forwardI. HSLA steels are developed to replace gray irons II. In normal atmospheres, HSLA steels are more resistant to corrosion than the plain carbon steels III. HSLA steels are ductile, formable and machinable Mark the false statement given above about HSLA (High Strength, Low Alloy) steels?arrow_forwardHigh strength low alloy (HSLA) steels were originally developed to reduce the weight of automobiles. These steels have higher mechanical properties than the low-carbon steels that they replaced. True False Composite materials are composed of two or more different materials that act together to produce properties that are different from, and superior to those of the individual components. True False There are several methods for classifying tool steels; they are: according to the quenching media used, according to alloy content, and according to application. true false Addition polymerization, also referred to as cross-linked polymerization, is a process capable of forming long chains of molecules as well as forming bonds between or across chains; the chains of molecules are cross-linked. True False The aluminum alloy designated as 5056-H28 means the following: this is a non-heat-treatable alloy of aluminum and magnesium, that has not been modified where 56 represents…arrow_forward
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