EBK MANUFACTURING ENGINEERING & TECHNOL
7th Edition
ISBN: 8220100793431
Author: KALPAKJIAN
Publisher: PEARSON
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Chapter 5, Problem 50SDP
In the 1940s (the Second World War), the Yamato and its sister ship, the Musashi, were the largest battleships ever built. Find out the weight of these ships, and estimate the number of automobiles that could have been built from the steel used in just one such ship. Estimate the time it would take to cast that much steel by continuous casting.
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Use brief sentences, sketches or calculations to answer the following questions:
Ex.1// A disk 40 cm in diameter and 5 cm thick is to be cast of pure aluminum
in an open mold casting operation. The melting temperature of aluminum = 660°C, and
the pouring temperature will be 800°C. Assume that the amount of aluminum heated
will be 5% more than what is needed to fill the mold cavity. Compute the amount of
heat that must be added to the metal to heat it to the pouring temperature, starting from
a room temperature of 25°C. The heat of fusion of aluminum = 389.3 J/g... Assume the
specific heat has the same value for solid and molten aluminum
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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- 6) Horizontal centrifugal casting is used to make aluminum rings with length L= 5 cm, outside diameter do = 65 cm, and inside diameter d; = 60 cm. The density of aluminum is p = 2.7 cm3 cm³ a) Determine the rotational speed that will provide a G-factor = 60. b) Determine the centrifugal force when the cast is operating at the rotational speed.arrow_forwardcompute the diameter of the sphere (mm) that will freeze in the same time in same casting process with a 62.5mm x 150mm x 225mm plate. Assume that constant mold for this casting is 55 mm^2/sarrow_forwardFor a sand casting a steel rectangular plate with dimensions 80mm x 120mm x 20mm. Calculate shrinkage and draft allowance. And draw the designed pattern. Assume shrinkage of material as 0.1% for 12 inch, pattern material is wood and assume suitable draft anglesarrow_forward
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- Please show all of your work, thanks!arrow_forwardTYPED ANSWERarrow_forward(7.00 Puanlar) 24- An cast iron is made in a sand mold using a sand core that weighs 40 kg. Determine the buoyancy force in Newtons tending to lift the core during pouring (Density of cast iron p = 7.16 g/cm3, Sand density = 1.6 g/cm3)arrow_forward
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