DeGarmo's Materials and Processes in Manufacturing
12th Edition
ISBN: 9781118987674
Author: J. T. Black, Ronald A. Kohser
Publisher: WILEY
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Textbook Question
Chapter 35, Problem 5P
What do you foresee as the major difficulties when attempting to join the following materials?
- Thermoplastic polymers
- Thermoset polymers
- Ceramics
- Composites (consider polymer-matrix and metal-matrix, as well as particulate and fiber reinforcements)
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Chapter 35 Solutions
DeGarmo's Materials and Processes in Manufacturing
Ch. 35 - What types of design features favor manufacture as...Ch. 35 - What types of manufacturing processes fall under...Ch. 35 - Define welding.Ch. 35 - What conditions are required to produce an ideal...Ch. 35 - What are some of the ways in which welding...Ch. 35 - What are some possible problems associated with...Ch. 35 - What are the three primary aspects required to...Ch. 35 - How are welding processes identified by the...Ch. 35 - What is thermal cutting?Ch. 35 - What are some of the common types of weld defects?
Ch. 35 - What are the four basic types of fusion welds?Ch. 35 - What are some of the common edge configurations...Ch. 35 - What is the role of an insert in welding?Ch. 35 - What types of weld joints commonly employ fillet...Ch. 35 - What are the five basic joint tvpes for fusion...Ch. 35 - What are some of the factors that influence the...Ch. 35 - Why is it important to consider welded products as...Ch. 35 - How does the fracture resistance and temperature...Ch. 35 - How might excessive rigidity actually be a...Ch. 35 - What is autogenous welding?Ch. 35 - In what way is the weld-pool segment of a fusion...Ch. 35 - Why is it possible for the fusion zone to have a...Ch. 35 - Why is it not uncommon for the selected filler...Ch. 35 - What are some of the defects or problems that can...Ch. 35 - Why can the material properties vary widely within...Ch. 35 - What are some of the structure and property...Ch. 35 - Why do most welding failures occur in the...Ch. 35 - Discuss the various regions within the...Ch. 35 - What are some of the characteristics and...Ch. 35 - What process features can increase the size of the...Ch. 35 - What are some of the difficulties or limitations...Ch. 35 - What is the purpose of pre- and postheating in...Ch. 35 - What heat-related metallurgical effects can...Ch. 35 - What causes weld-induced residual stresses?Ch. 35 - What is the cause of reaction-type residual...Ch. 35 - How are reaction stresses affected by the distance...Ch. 35 - What are some of the techniques that can reduce...Ch. 35 - How can the surfaces of weldments be put into...Ch. 35 - In what ways might welding create geometric...Ch. 35 - 40. Why might a welded structure warp if the...Ch. 35 - Why might a stress relief heat treatment be...Ch. 35 - What are some of the techniques that can be...Ch. 35 - Why are the terms weldability and joinability...Ch. 35 - Prob. 1PCh. 35 - Two pieces of AISI 1025 steel are being...Ch. 35 - Figure 35.A schematically depicts the design of a...Ch. 35 - Investigate and summarize some of the important...Ch. 35 - What do you foresee as the major difficulties when...
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- Give some examples of Fastener Spacing?arrow_forward(c) An arc welding is performed to join two metal pieces. After the welding process, the product is subjected to fatigue test. Discuss which part of the weld joint will have high potential to experience fatigue failure.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
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- 12 Brazing and soldering are attractive comparing to welding for some situations: I. the metals have poor weldability II. only same metals are to be joined III. the intense heat of welding may damage the components being joined IV. the geometry of the joint is not suitable to any of the welding methods V. high strength is a requirement. a) I-II-II b) I-III-IV 1-II-III-IV-V 1-11 Only !arrow_forward(c) Elaborate the principles of vacuum forming process for thermoplastics, given a shaped form. Question 5 (a) [4] i. Explain the Spin welding process with the help of a diagram. [6] ii. Name the two requirements for the process to be successful? [4] (b) i. Which are the most common fastners used in assembly? [2] ii. Which joining process could be suitable for joining rubber sheet material? [2] (a) i. Give three reasons why mechanical fastners must be kept to a minimum for the assembly process. [3] i. What are the three things recommended to lower the assembly costs? [3]arrow_forwardWhat is welding? What are the different types of welding? What are the symbols of welding? What are the testing/checking process of welding?arrow_forward
- Answer by true (T) or false (F) for the folling sentences 1. Fusion welding means that the two surfaces to be joined and the filler metal are meling during welding and then solidifying in similar menner to local casting process. 2. In oxyacetylene welding process, the welding is done using oxidizing flame only. 3. Explusive welding process produces strong joints of dissimilar materials that are not weldable by are. 4. Hot working leads to eliminating the porosity in the metal and increasing the strength and hardness. 5. Work hardening is a characteristic induced in the processing part because of the heat treatment.arrow_forwardIdentify the electrical and electronic joining process from the following. Riveting Adhesive bonding Screw fastening Crimpingarrow_forwardII) Name several products that have been assemble by 1. Resistance Spot Welding 11. Submerge Arc Welding 111. Seam Welding įv. iv. Brazing V. Soldering 12) Compare the differences between brazing and oxy fuel gas welding 13) Propose any two welding defects that can be prevented by modifying the joint design and justify the importance of redesigning the jointarrow_forward
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