Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Chapter 6, Problem 5RQ
What properties of titanium make it attractive for use in race-car and jet-engine components? Why is titanium not used widely for engine components in passenger cars?
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Replacing about half of the steel-based materials in a car can reduce the weight of the car by almost 60%. This can lead to nearly a 30% increase in fuel efficiency. What kinds of materials could replace steel in cars? What would be the advantages and disadvantages in using these materials?
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Explain 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 appropriate
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Why is ductility important to engineers?arrow_forwardExplain how the properties and structure of different given engineering materials affect their behaviour in given engineering applications: 1) The Hep2O® push fit plumbing system uses fittings and pipe work manufactured from polybutylene (PB). Making reference to its properties and structure explain why this material is an effective substitute for traditional copper and brass.arrow_forwardWhat way Mg-alloys can become competitors to Al-alloys and steels in automotive industry.Analyze at least 4 specific applicationsarrow_forward
- Calculate the impacts on size (diameter) and mass/unit length of replacing a natural bone in the leg with one made of steel, aluminum, or titanium. Use compressive strengths and densities provided in class for bone, steel, and aluminum. Use r=0.00443 kg/cm3, and s=848 MPa for titanium. Assume the bone is hollow with outside diameter 2.5 cm and inside diameter 3 cm. Maintain the same inside diameter. HINT: first calculate the load on the bone..arrow_forwardAs an R&D engineer, your input is requested to design an enhanced device that will be permanently implanted to repair the load-bearing function of a joint. Details on the candidate metals are presented here: Material SS 316 type Pure Ti Density (p) Yield stress (g/cm³) (MPa) 8 4.5 Ti6A14V 4 (F136) 190 140 795 Maximum elongation (%) 40 15 10 Elastic modulus (GPa) 190 110 114 Lo Shess leve O What force can each of the materials carry without permanent deformation? Which one offers better properties as a load-bearing implant? Explain. Describe the primary consequences of choosing the wrong material; consider in your answer the effect of density, yield stress, elongation, and Young's modulus on the implant's performance.arrow_forwardClassify each material as a metal, polymer, ceramic or composite based on the properties listed. Brass – Electrically conductive, strong. Magnesium oxide – Electrical and thermal insulator, can resist high temperatures. Plexiglas – Light weight, electrical insulator, cannot withstand large loads. Polychloroprene – Low density, high ductility, not strong, electrical insulator. Boron carbide – High hardness, high stiffness, high toughness.arrow_forward
- It is the combined action of chemical attack and mechanical wear as a consequence of fluid motion. stress corrosion intergranular corrosion erosion-corrosion uniform attack corrosionarrow_forwardUse a E-p chart to identify metals with both E> 100 GPa and E/p> 0.02 GPa/(kg/m3). Show your answer with a sketch on the selection chart. Young's modulus, E (GPa) 1000 100 10-1 10-2 10-3 10-4 10 Young's modulus - Density Foams Fugid polymer Toams Composites CFRP Natural P materials 100 Flexible polymer foams Technical ceramics Wood grain Cork Mg aloys GFRP EVA leoprene nucber hyester O 583 Concrele Al₂O₂ 1000 Density, p (kg/m³) Ti allbys Zinc alloys PEEK PET 'Nón-technical Epodes ceramics PC PTFE Polymers Silicone Gastomers syunting prene Naloys Elastomers WC Ov-Walbys Cu alloys Metals Lead allbys 10,000 Guide lines for minimum mass designarrow_forwardIn the realm of mechanical engineering, how do advances in material science, especially in the development of superalloys and composite materials, impact the design and efficiency of high-performance machinery, particularly in aerospace and automotive applications?arrow_forward
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