Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Question
Chapter 6, Problem 33SDP
To determine
Name products that would not have been developed to their advanced stages (as we find them today) if alloys having high strength, high corrosion resistance, and high creep resistance (all at elevated temperatures) had not been developed.
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Chapter 6 Solutions
Manufacturing Engineering & Technology
Ch. 6 - Given the abundance of aluminum in the Earths...Ch. 6 - Prob. 2RQCh. 6 - What are the major uses of copper? What arc the...Ch. 6 - What are superalloys? Why are they so named?Ch. 6 - What properties of titanium make it attractive for...Ch. 6 - Which properties of each of the major refractory...Ch. 6 - Prob. 7RQCh. 6 - What it the composition of (a) babbitts, (b)...Ch. 6 - Name the materials described in this chapter that...Ch. 6 - What are the major uses of gold and silver, other...
Ch. 6 - Describe the advantages to using zinc as a coating...Ch. 6 - Prob. 12RQCh. 6 - Why are aircraft fuselages made of aluminum...Ch. 6 - How is metal foam produced?Ch. 6 - What metals have the lowest melting points? What...Ch. 6 - Explain why cooking utensils generally are made of...Ch. 6 - Would it be advantageous to plot the data in Table...Ch. 6 - Compare the contents of Table 6.3 with those in...Ch. 6 - What factors other than mechanical strength should...Ch. 6 - Prob. 20QLPCh. 6 - If aircraft, such as a Boeing 757, are made of 79%...Ch. 6 - Prob. 22QLPCh. 6 - Most household wiring is made of copper wire. By...Ch. 6 - The example in this chapter showed the benefits of...Ch. 6 - If tungsten is the highest melting-point metal,...Ch. 6 - A simply supported rectangular beam is 25 mm wide...Ch. 6 - Obtain a few aluminum beverage cans, cut them, and...Ch. 6 - Beverage cans usually are stacked on top of each...Ch. 6 - Using strength and density data, determine the...Ch. 6 - Plot the following for the materials described in...Ch. 6 - Prob. 33SDPCh. 6 - Give some applications for (a) amorphous metals,...Ch. 6 - Describe the advantages of making products with...Ch. 6 - In the text, magnesium was described as the...Ch. 6 - Prob. 38SDPCh. 6 - Review the technical literature, and write a...
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- Nickel-based alloys are used for gas turbine blades in aerospace engines. Briefly discuss the characteristics that make these alloys the choice for this application. Single-crystal technology is applied to nickel alloys that are used as gas turbine blades in aerospace engines. With the aid of sketches describe how a single-crystal casting can be manufactured and explain why a single-crystal casting is likely to have superior creep resistance than a directly-solidified one. Demonstrate the application of the Ten-percent Rule by calculating the approximate tensile strength and elastic modulus in the 0° direction of a carbon-fibre reinforced polymer composite if the strength and elastic moduluş in the 0° single ply are 3620 MPa and 143 GPa respectively. The lay-up sequence of the composite is [02/+45/-45/902]s.arrow_forwardWhat is the advantage of nitriding? Select all correct answers. Some complex components can be nitride without difficulty. Better wear resistance. Better fatigue resistance. The cheapest method of case hardening. What is the correct definition of plastic deformation? The behavior of a material when its size changes by the addition of heat. The behavior of a material that deforms under load and returns to its original shape when the load is removed. Deformation caused by cleavage, where the material is actually pulled apart across atomic planes within the crystals or along the grain boundaries. The behavior of a material that deforms under load and does not fully return to its original shape when the load is removed.arrow_forwardExplain the mechanism of the corrosion fatigue and thermal fatigue, how to prevent/protect from your design?arrow_forward
- List and briefly define the five main strengthening mechanisms in metals.arrow_forwardA material is required as heating elements for an electrical resistance furnace for heat treating steels. Make and list appropriate assumptions for temperature and furnace environment. List what you would judge to be the design-limiting properties. Name three candidate heating element materials.arrow_forwardWhat is the advantage of nitriding? Select all the correct answers - some complex components can be nitride without difficulty - better wear resistance - better fatigue resistance -arrow_forward
- 6. What are the 4 strategies for strengthening metals? Explain in detail. Do these 4 strategies work for all metals regardless of their crystallinity? Why or why not?arrow_forwardExplain how the properties and structure of different given engineering materials affect their behaviour in given engineering applications 1) Machinery such as farm equipment and packaging machines uses shear pins made from high carbon steel to prevent overload if something becomes jammed. Explain the reasons for choosing this material. 2) Titanium alloy (code Ti-6Al-2Sn-4Zr-6Mo) is widely used for aircraft engine components and chemical plant equipment. Explain why it performs well in conditions of high stress and high temperature. For each answer you must explain how the properties and structure of the material affect its performance. - include diagrams if appropriatearrow_forwardgive an example proving that most materials exhibit both ductile andbrittle behavior?arrow_forward
- Please solvearrow_forward2. (a) Nickel-based alloys are used for gas turbine blades in aerospace engines. Briefly discuss the characteristics that make these alloys the choice for this application. (b) Single-crystal technology is applied to nickel alloys that are used as gas turbine blades in aerospace engines. With the aid of sketches describe how a single-crystal casting can be manufactured and explain why a single-crystal casting is likely to have superior creep resistance than a directly-solidified one. (c) Demonstrate the application of the Ten-percent Rule by calculating the approximate tensile strength and elastic modulus in the 0˚ direction of a carbon-fibre reinforced polymer composite if the strength and elastic modulus in the 0˚ single ply are 3620 MPa and 143 GPa respectively. The lay-up sequence of the composite is [02/+45/-45/902]s.arrow_forward(a) Briefly describe at least five methods to increase the strength of materials. (b) What are the metallurgical/processing techniques employed to enhance the creep resistance of metal alloys? (c) Cite three variables that determine the microstructure of an alloy. (d) What are the most common types of crystal defects and how do they affect properties? (e) Briefly describe the phenomenon of coring and why it occurs.arrow_forward
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