Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Textbook Question
Chapter 5, Problem 33QLP
Explain the purpose of the oil shown at the top left of Fig. 5.4a given that the molten-steel temperatures are far above the ignition temperatures of the oil.
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In welding of metals, molten metal is deposited between the two objects that are to be welded together. Most of the heat from the molten material is conducted into the area around the weld, significantly increasing the temperature in the area, which can affect the local material properties. This area is often called the Heat Affected Zone (HAZ).
Assuming you have base metal that is hypereutectoid steel, with a Cementite+Fine Pearlite microstructure, estimate what the microstructure would be in Area 1 and Area 2 of the HAZ. What is the primary factor (other than temperature and composition) that would affect what type of microstructure would be created?
16. Name three kinds of furnaces used for heat-treating steels.
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Chapter 5 Solutions
Manufacturing Engineering & Technology
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Answer with brief description is required. Post answer ASAParrow_forwardHow did you determine the eutectic point? Explain.arrow_forward4. As shown in Figure 13, the top cover of the quenching furnace is lifted by a single acting cylinder, the load on the piston rod is 9kg, the known stroke of the top cover is 250mm, the piston area is 2cm, and the flow rate of the pump is 3L/min. Please calculate the following values: load pressure, forward stroke speed and time. Figure 13arrow_forward
- 3) The dihedral wetting angle between solid- liquid interface with lowest solidification cracking tendency under identical welding conditions is 0° O45° 60° 90°arrow_forwardplease help me answer this question. I really need the answer. Thank you so much!arrow_forwardQ12. What the difference between the solidification of pure metals and impure metals alloys?arrow_forward
- When welding using Oxyacetylene method on medium or high carbon steels, which type of flame is better (i) oxidizing or (ii) reducing flame? Justify your answerarrow_forwardneed it fastarrow_forward(c) A hardboard wall is exposed to a window on a neighbouring property which is 2 metres high x 2 metres wide and located 2 metres from the hardboard wall. The temperature inside the room behind the window is 900 °C and a glowing ember from the fire lands on the hardboard wall to act as a pilot. Will the hardboard wall ignite? Show your working.arrow_forward
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