EBK MANUFACTURING ENGINEERING & TECHNOL
7th Edition
ISBN: 8220100793431
Author: KALPAKJIAN
Publisher: PEARSON
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Textbook Question
Chapter 31, Problem 5RQ
What is the basic principle of (a) ultrasonic welding and (b) diffusion bonding?
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Chapter 31 Solutions
EBK MANUFACTURING ENGINEERING & TECHNOL
Ch. 31 - Explain what is meant by solid-state welding.Ch. 31 - What is cold welding? Why is it so called?Ch. 31 - What is (a) a ferrule, (b) filled gold, and (c) a...Ch. 31 - What are faying surfaces in solid-state welding...Ch. 31 - What is the basic principle of (a) ultrasonic...Ch. 31 - Explain how the heat is generated in the...Ch. 31 - Prob. 7RQCh. 31 - Describe the principle of resistance-welding...Ch. 31 - Prob. 9RQCh. 31 - What type of products are suitable for stud...
Ch. 31 - Prob. 11RQCh. 31 - Prob. 12RQCh. 31 - Prob. 13RQCh. 31 - Describe how high-frequency butt welding operates.Ch. 31 - What materials are typically used in...Ch. 31 - Make a list of processes in this chapter,...Ch. 31 - Prob. 17QLPCh. 31 - Explain the reasons why the processes described in...Ch. 31 - Explain the similarities and differences between...Ch. 31 - Describe your observations concerning Figs....Ch. 31 - Would you be concerned about the size of weld...Ch. 31 - What advantages does friction welding have over...Ch. 31 - Prob. 23QLPCh. 31 - Prob. 24QLPCh. 31 - Discuss the factors that influence the strength of...Ch. 31 - What are the sources of heat for the...Ch. 31 - Can the roll-bonding process be applied to a...Ch. 31 - Prob. 28QLPCh. 31 - List and explain the factors involved in the...Ch. 31 - Give some of the reasons that spot welding is...Ch. 31 - Prob. 31QLPCh. 31 - Prob. 32QLPCh. 31 - Prob. 33QLPCh. 31 - Prob. 34QLPCh. 31 - Prob. 35QLPCh. 31 - Prob. 36QLPCh. 31 - Prob. 37QLPCh. 31 - Prob. 38QLPCh. 31 - Which processes in this chapter are not affected...Ch. 31 - Consider the situation where two round...Ch. 31 - Prob. 41QLPCh. 31 - The energy required in ultrasonic welding is found...Ch. 31 - Prob. 43QTPCh. 31 - Prob. 44QTPCh. 31 - Prob. 45QTPCh. 31 - Prob. 46SDPCh. 31 - Explain how you would fabricate the structures...Ch. 31 - Prob. 48SDPCh. 31 - Prob. 49SDPCh. 31 - Prob. 50SDPCh. 31 - Prob. 51SDPCh. 31 - Prob. 52SDPCh. 31 - Prob. 53SDPCh. 31 - Describe the methods you would use for removing...Ch. 31 - Prob. 55SDPCh. 31 - Prob. 56SDPCh. 31 - Inspect the sheet-metal body of an automobile,...Ch. 31 - Prob. 59SDPCh. 31 - Prob. 60SDPCh. 31 - Sketch the microstructure you would expect if a...
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- HANDWRITTEN ANSWER PLS. What does liquid-solid phase bonding mean and in which cases is it preferred instead of welding? What does capillarity mean in this process?arrow_forwardTwo 3.5 mm thick metal (Um = 9.5 J/mm?) sheets are being joined using resistance spot welding. To achieve required strength, it is desired to form a weld nugget that is 5.5 mm in diameter and 4.0 mm thick. The weld duration will be set at 0.3 sec. If the electrical resistance between the surfaces is 140 microohms, and only onethird of the electrical energy generated will be used to form the weld nugget determine the current.arrow_forwardAre the Expansion joints, used to mitigate thermal stress in materials?arrow_forward
- The client wishes to save weight in their assembly and has suggested using aluminium for the joining block. Evaluate the suitability of this material from a structural viewpoint, the client has indicated available space is very limited so dimensional changes should be minimal. Advise if aluminium is feasible as an alternative material and justify your answer. Would titanium be a suitable option? The properties of both materials are shown below. Titanium – E 102.81 GPa: v 0.36: shear 44000 MPa: yield 275.6 MPa: tensile 344.5 MPa Aluminium – E 68.9 GPa: v 0.33: shear 25864MPa: yield 275 MPa: tensile 310 MPaarrow_forwardThe unit melting energy for a certain sheet metal is 10J/mm^3 .The thickness of each of the two sheets to be spot-welded is = mm. To achive required strength, it is desired to form a weldnugget that is =7 mm in diameter and 3.5 mm thick. The weld duration will be set at 44 sec .If the electrical resistance between the two surfaces is 144 micro-ohms and only one half the electricity generated will be used to form the weld nugget Determine the minium current level required in this operationarrow_forwardWelding stainless steel is a complicated process because (uniform / intergranular / erosion) corrosion may happen, to avoid this issue post-weld-heat treatment is conducted to (precipitate / dissolve) carbide particles.arrow_forward
- Identify the conditions under which a brazed joint is likely to be “stronger” than the brazing material by itself. Describe the trends in joint fracture strength as it becomes wider/narrower or thinner/thicker.arrow_forwardWhat type(s) of bonding would be expected for each of the following materials: solid xenon, calcium fluoride (CaF2), bronze, cadmium telluride (CdTe), rubber, and tungsten?arrow_forwardQuestion 1 1.1 Identify the weld defect shown in Figure 1 below. Provide reasons for your selection. Figure 1: Weld defect 1.2 Explain how the weld defect, shown in Figure 1, can occur. 1.3 Identify the joining process shown in Figure 2 and explain why this process is frequently used by automotive manufacturers. Figure 2: Joining process frequently used by automotive manufacturers 1.4 Explain the main differences between the joining process shown in Figure 2 and fusion welding processes. 1.5 Name important design considerations applicable to the joining process shown in Figure 2.arrow_forward
- In general terms explain how the bonding in metals allows for their ductility and malleabilityarrow_forwardWhat type of bonding would be expected for each of these materials. (1).Brass (2). Rubber (3).Aluminum sulphide (4).NaClarrow_forwardWhat are the disadvantages of MIG welding on stainless steels?arrow_forward
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