Degarmo's Materials And Processes In Manufacturing
13th Edition
ISBN: 9781119492825
Author: Black, J. Temple, Kohser, Ronald A., Author.
Publisher: Wiley,
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Chapter 39, Problem 50RQ
To determine
Two distinct approaches to produce heat necessary for welding of thermoplastics.
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Chapter 39 Solutions
Degarmo's Materials And Processes In Manufacturing
Ch. 39 - What would be some of the characteristics of an...Ch. 39 - What are some of the applications of adhesives in...Ch. 39 - What are some of the types of materials that have...Ch. 39 - What are some of the ways in which adhesives can...Ch. 39 - What is a structural adhesive?Ch. 39 - Prob. 6RQCh. 39 - What are some of the limiting characteristics of...Ch. 39 - What promotes the curing of cyanoacrylates? Of...Ch. 39 - Urethane adhesives might be favored when what...Ch. 39 - What features or characteristics might favor the...
Ch. 39 - How can the use of hot-melt adhesives be combined...Ch. 39 - What property enhancement characteristic is...Ch. 39 - What features or properties are provided or...Ch. 39 - What are some types of nonstructural or special...Ch. 39 - How can polymeric adhesives he made electrically...Ch. 39 - What types of radiation can be used with...Ch. 39 - What are some of the temperature considerations...Ch. 39 - What are some of the environmental conditions that...Ch. 39 - What is the difference between a...Ch. 39 - Why is it desirable for adhesive joints to be...Ch. 39 - Why are butt joints unattractive for adhesive...Ch. 39 - What types of joints provide large bonding areas?Ch. 39 - How does the strength of an adhesive joint vany...Ch. 39 - What are some common techniques by which surfaces...Ch. 39 - How can destructive testing and the examination of...Ch. 39 - Why are the structural adhesives an attractive...Ch. 39 - In view of the relatively low strengths of the...Ch. 39 - Why might an adhesive joint provide enhanced...Ch. 39 - What are some of the other attractive properties...Ch. 39 - In what ways might a structural adhesive offer...Ch. 39 - Why are adhesive joints unattractive for...Ch. 39 - Describe some of the ways that structural...Ch. 39 - What are some other common limitations to...Ch. 39 - What is weld bonding?Ch. 39 - What are some common types of mechanical...Ch. 39 - What factors would influence the selection of a...Ch. 39 - What types of fasteners are attractive if the...Ch. 39 - What factors determine the overall effectiveness...Ch. 39 - What is an integral fastener? Provide an example.Ch. 39 - What are some of the primary types of discrete...Ch. 39 - Prob. 41RQCh. 39 - What are some of the major assets of mechanical...Ch. 39 - What are some of the ways that fastener holes can...Ch. 39 - What is the benefit of a self-tapping fastener?Ch. 39 - What are some of the common causes for failure of...Ch. 39 - What are galvanic corrosion problems common when...Ch. 39 - From a manufacturing viewpoint, why is it...Ch. 39 - What are some of the ways that plastics can be...Ch. 39 - Why can the thermoplastic polymers be welded, but...Ch. 39 - Prob. 50RQCh. 39 - Describe several of the plastic joining processes...Ch. 39 - Prob. 52RQCh. 39 - How can metal inserts be used to produce welds in...Ch. 39 - Prob. 54RQCh. 39 - What is the difference between direct laser...Ch. 39 - Give an everyday example of solvent welding.Ch. 39 - What material property enables snap-fits to be a...Ch. 39 - Why are the crystalline ceramic materials...Ch. 39 - Prob. 59RQCh. 39 - Prob. 60RQCh. 39 - When materials are joined, interfaces are created...Ch. 39 - Some automakers are using adhesives and sealants...Ch. 39 - Select two types of additives to industrial...Ch. 39 - Identify at least five types of adhesives that...Ch. 39 - A contractor has installed aluminum siding on a...Ch. 39 - Mechanical fasteners are an attractive means of...Ch. 39 - Prob. 6PCh. 39 - Prob. 7PCh. 39 - Prob. 8PCh. 39 - Prob. 9PCh. 39 - Prob. 10PCh. 39 - You must devise a means of incorporating the...Ch. 39 - An additional joint occurs where the club head is...Ch. 39 - For production simplicity, it might be preferable...Ch. 39 - If the bonding process and resulting interface...Ch. 39 - Prob. 5CSCh. 39 - Prob. 6CS
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- What brazing or soldering process uses a machine similar to a spot welder to produce the heat required to make a joint?arrow_forwardHow to produce composite material using graphene?arrow_forwardIdentify 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_forward
- Welding 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_forwarda) A bicycle frame is being designed to carry a pedal force of 800N. Assuming axial loading only, which material will produce the lightest frame out of the two in the table below? Assume a design factor of 1.2 b) If the bicycle frame is being welded together and an internal flaw size of 30mm results, which material will produce the lighter section? (Apply a design factor of 1.2 If the bicycle frame needs to last a minimum 3 x 105 cycles, with an average stress of 150MPa and an alternating stress of 200MPa, use the Soderberg criterion to pick a suitable material from the two alloys listed above. Show all your working.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_forward
- Explain or contradict the choice to use the following materials as hot-melt adhesives for anapplication in which the assembled part is subjected to impact-type loading. 1. Polyethylene 2. Polystyrene3. Polybutadiene4. Styrene-butadiene thermoplastic elastomer.5. Polyacrylonitrilearrow_forwardDiscuss the qualitative changes of burst and collapse resistances when the casing string is become under tension or compression load.arrow_forwardWhat does liquid-solid phase bonding mean and in which cases is it preferred over welding? What does capillarity mean in this process?arrow_forward
- Question 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_forwardWhat is metal inert gas welding and the effect of metal inert gas welding process parameters? Diagrams?arrow_forwardProvide a reasonable explanation for the following observation: a welded component made of Al 6061-T6 alloy is routinely found to deform plastically first in the region adjacent to the weld joint despite the fact that the stress is nominally the same everywhere in the component. What solution would you propose to fix this problem, assuming that the weld joint cannot be eliminated from the design?arrow_forward
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