EBK MANUFACTURING ENGINEERING & TECHNOL
7th Edition
ISBN: 8220100793431
Author: KALPAKJIAN
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 45SDP
Assume that you are in charge of public relations for a large steel-producing company. Outline all of the attractive characteristics of steels that you would like your customers to be informed about.
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You work for an off-shore wind turbine manufacturer and have been asked to review data
from the support structure development team. The cost of the high strength steel
currently used in the support structure has increased significantly in the last 12 months so
the development team have manufactured some components to an identical design using
a cheaper grade of structural steel. Company policy states that the critical tensile stress
must be 30% more than the expected maximum in service stress of 420MPa. Given the
information below, what is critical tensile stress of the cheaper grade of structural steel
and would you recommend its use in the wind turbine support structure?
Alternate Steel Analysis Report:
• Detected maximum internal flaw size = 1.0 μm,
● Specific surface energy 1.3 J/m2,
● Youngs Modulus = 210GPa
Select one or more:
a.590 MPa
b.Yes, would recommend
c.417 MPa
d.13.2 MPa
e.No, would not recommend
f.18.6 MPa
You work for an off-shore wind turbine manufacturer and have been asked to review data
from the support structure development team. The cost of the high strength steel
currently used in the support structure has increased significantly in the last 12 months
so the development team have manufactured some components to an identical design
using a cheaper grade of structural steel. Company policy states that the critical tensile
stress must be 30% more than the expected maximum in service stress of 420MPa. Given
the information below, what is critical tensile stress of the cheaper grade of structural
steel and would you recommend its use in the wind turbine support structure?
Alternate Steel Analysis Report:
• Detected maximum internal flaw size = 1.0 μm,
• Specific surface energy 1.3 J/m2,
• Youngs Modulus = 210GPa
Select one or more:
a. 18.6 MPa
b. No, would not recommend
DC.
417 MPa
Od. 590 MPa
0
e. Yes, would recommend
Of.
13.2 MPa
Explain the properties and applications of High Speed Steel
Chapter 5 Solutions
EBK MANUFACTURING ENGINEERING & TECHNOL
Ch. 5 - What are the major categories of ferrous alloys?Ch. 5 - Prob. 2RQCh. 5 - List the basic raw materials used in making iron...Ch. 5 - List the types of furnaces commonly used in...Ch. 5 - List and explain the characteristics of the types...Ch. 5 - Prob. 6RQCh. 5 - What is continuous casting? What advantages does...Ch. 5 - What is the role of a tundish in continuous...Ch. 5 - Prob. 9RQCh. 5 - What are trace elements?
Ch. 5 - What are the percentage carbon contents of...Ch. 5 - Prob. 12RQCh. 5 - Prob. 13RQCh. 5 - Prob. 14RQCh. 5 - Prob. 15RQCh. 5 - What is high-speed steel?Ch. 5 - Prob. 17RQCh. 5 - Prob. 18RQCh. 5 - Prob. 19RQCh. 5 - What effect does carbon content have on mechanical...Ch. 5 - Identify several different products that are made...Ch. 5 - Professional cooks generally- prefer carbon-steel...Ch. 5 - Prob. 23QLPCh. 5 - Explain why continuous casting has been such an...Ch. 5 - Describe applications in which you would not want...Ch. 5 - Explain what would happen if the speed of the...Ch. 5 - The cost of mill products of metals increases with...Ch. 5 - Describe your observations regarding the...Ch. 5 - Prob. 29QLPCh. 5 - Prob. 30QLPCh. 5 - In Table 5.9, D2 steel is listed as a more common...Ch. 5 - List the common impurities in steel. Which of...Ch. 5 - Explain the purpose of the oil shown at the top...Ch. 5 - Recent research has identified mold-surface...Ch. 5 - Prob. 35QLPCh. 5 - List and explain the advantages and disadvantages...Ch. 5 - Conduct an Internet search and determine the...Ch. 5 - Refer to the available literature, and estimate...Ch. 5 - Some soft drinks are now available in steel cans...Ch. 5 - Using strength and density data, determine the...Ch. 5 - The endurance limit (fatigue life) of steel is...Ch. 5 - Using the data given in Table 5.4, obtain the...Ch. 5 - Based on the information given in Section 5.5.1,...Ch. 5 - Assume that you are in charge of public relations...Ch. 5 - Assume that you are in competition with the steel...Ch. 5 - In the past, waterfowl hunters used lead shot in...Ch. 5 - Aluminum is being used as a substitute material...Ch. 5 - In the 1940s (the Second World War), the Yamato...Ch. 5 - Search the technical literature, and add more...Ch. 5 - Referring to Fig. 5.4a, note that the mold has...
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