Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Textbook Question
Chapter 6, Problem 18QLP
Compare the contents of Table 6.3 with those in various other tables and data on materials in this book, then comment on which of the two hardening processes (heat treating and work hardening) is more effective in improving the strength of aluminum alloys.
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out of
(a). Briefly explain THREE (3) sources of internal residual stresses in metal components and state the consequences of these stresses.
Huraikan secara ringkas TIGA (3) sumber tegasan baki dalaman di dalam komponen logam dan nyatakan akibat tegasan tersebut
(b). Describe with the aid of an illustration, heat treatment procedures for steels and state the intended final microstructure.
Dengan bantuan gambar rajah, huraikan tatacara rawatan boba untuk keluli yang berikut serta nyatakan mikrostruktur akhir yang dikehendaki.
().
Full annealing
Penyepuhlindapan penuh
(i). Normalizing
Penormalan
(ii). Tempering
Pembajaan
Explain following terms Stainless Steels, Tool Steels and HSLA.
1. Determine working stresses for the two alloys that have the stress–strain behaviors shown in Figures 6.22.
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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- List and briefly define the five main strengthening mechanisms in metals.arrow_forwardAn engineer is making determinations on the best alloy of steel to use in cables for a cable-stayed bridge. The investigator’s tool is a tensile testing instrument which can measure the strength of the alloys by slowly increasing the load on the cable to the point where the cable breaks and breaking point value (amount of weight on the cable when it fails) can be accurately measured. The investigator also is interested in determining the amount of deformation of the cable (how much it stretches under load conditions which is also very important in structural considerations. The tests must be uniform and consistent to give the precision needed to make valid conclusions about the best alloy for the cables. On the line after the item, identify which type of variable it represents from (a) independent variable, (b) dependent variable, (c) control variable. 1) thickness of the cable _____________ 5) length of the cable _____________ 2) testing room temperature…arrow_forward6. 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_forward
- Explain and/or describe the following microstructures of iron/steel , how they affect the iron/steel properties, and show their illustrations. Ferrite Ledeburite Martensite Pearlitearrow_forwardNote: Answer Should be not so long. Need straight forward Answer. By considering a circular hole in a thin elastic sheet, explain (with the aid of any diagrams as appropriate) how a stress concentration can magnify stress. Also Explain the principles of designing alloys for oxidation resistance.arrow_forwardHow much heavier, on average, will an aluminum-alloy tennis racquet be if it is made from titanium alloy? Obtain a tennis racquet, and take appropriate measurements to perform your analysis.arrow_forward
- Describe in your own words the three strengthening mechanisms discussed in this chapter (i.e., grain size reduction, solid-solution strengthening, and strain hardening). Be sure to explain how dislocations are involved in each of the strengthening techniques.arrow_forwardDiscuss the variations in nature of the stress-strain graphs of steel and aluminium.arrow_forwardDiscuss the Production process of Aluminum in detail.arrow_forward
- Draw with neat sketch the stress–strain behavior of steel, and identify different levels of strength. Explain with typical graph about the effect of increasing the carbon content in steel?arrow_forwardAnswer the following questions. i) Why alloys have better properties compared to pure metals, i) Explain the different types of metal alloysarrow_forwardState the range of carbon content in terms of weight percentage that can be theoretically varied in steel. Upon increasing the carbon content in plain carbon steel within the theoretical range, will it enhance or retard the mechanical properties such as tensile strength, compressive strength and hardness.? Give your answer with the span of carbon content that the particular property can. It can prevail.arrow_forward
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