Manufacturing Engineering & Technology
7th Edition
ISBN: 9780133128741
Author: Serope Kalpakjian, Steven Schmid
Publisher: Prentice Hall
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Chapter 8, Problem 16RQ
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What is a carbon nanotube? Explain why they are not as prevalent as other forms of carbon.
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Give one example of a nanomaterial excluding Nano-Titanium Dioxide, Silver Nanoparticles and Graphene and identify its properties and applications.
b) What are nanomaterials? Explain the properties and applications of
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Calculate how many billion years it will take to build 1 mole of a molecule with a formula of CnH2n+2 by adding 84 million atoms per second. Assume n=8 and 1 year=365 days. Use three significant figures (e.g. say 36.4 and not 36)
Chapter 8 Solutions
Manufacturing Engineering & Technology
Ch. 8 - What is a ceramic?Ch. 8 - List the major differences between the properties...Ch. 8 - List the major types of ceramics that are useful...Ch. 8 - What do the following materials typically consist...Ch. 8 - Prob. 5RQCh. 8 - Prob. 6RQCh. 8 - Prob. 7RQCh. 8 - Prob. 8RQCh. 8 - Prob. 9RQCh. 8 - Prob. 10RQ
Ch. 8 - Prob. 11RQCh. 8 - Prob. 12RQCh. 8 - Prob. 13RQCh. 8 - Prob. 14RQCh. 8 - Prob. 15RQCh. 8 - Prob. 16RQCh. 8 - Prob. 17RQCh. 8 - Prob. 18RQCh. 8 - Explain why ceramics are weaker in tension than in...Ch. 8 - What are the advantages of cermets? Suggest...Ch. 8 - Explain why the electrical and thermal...Ch. 8 - Prob. 22QLPCh. 8 - Prob. 23QLPCh. 8 - Explain why the mechanical properties of ceramics...Ch. 8 - Explain how ceramics can be made tougher.Ch. 8 - List and describe situations in which static...Ch. 8 - What properties are important in making...Ch. 8 - A large variety of glasses is now available. Why...Ch. 8 - Prob. 29QLPCh. 8 - Prob. 30QLPCh. 8 - Aluminum oxide and PSZ are described as white in...Ch. 8 - Why does the strength of a ceramic part depend on...Ch. 8 - In old castles and churches in Europe, the glass...Ch. 8 - Prob. 34QLPCh. 8 - Prob. 35QLPCh. 8 - Perform an Internet search and determine the...Ch. 8 - Prob. 37QLPCh. 8 - Prob. 38QLPCh. 8 - In a fully dense ceramic, UTSO = 200 MPa and EO =...Ch. 8 - Plot the UTS, E, and k values for ceramics as a...Ch. 8 - What would be the tensile strength and the modulus...Ch. 8 - Prob. 42QTPCh. 8 - Prob. 43QTPCh. 8 - Prob. 44QTPCh. 8 - Prob. 45SDPCh. 8 - Prob. 46SDPCh. 8 - Prob. 47SDPCh. 8 - Prob. 48SDPCh. 8 - Prob. 49SDPCh. 8 - Prob. 50SDPCh. 8 - Conduct a literature search and write a brief...Ch. 8 - Prob. 52SDPCh. 8 - Prob. 53SDPCh. 8 - It has been noted that the strength of brittle...Ch. 8 - Prob. 55SDP
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- Calculate the surface to volume ratio of nanomaterials obtained by breaking a cube of bulkmaterial into 8 small cubes of equal edge. The edge of the bulk cube is 6 cm.arrow_forward6. Define the term 'nanocomposite'.arrow_forwardFor my medical device, I wish to create a material that is soft and will retain a lot of water. But I also want it to be rigid and can withstand up to 50lbs of force. What material should I use?arrow_forward
- Aluminium has a density of 2.7 g/cm3. Suppose you would like to produce a composite material based onaluminium having a density of 1.5 g/cm3. Design a material that would have this densityarrow_forwardClassify the properties of Matter?arrow_forwardThe mechanical properties of cobalt may be improved by incorporating fine particles of tungsten carbide (WC). Given that the modulus of elasticity of these materials is 200 GPa and 700 GP, respectively. Plot modulus of elasticity versus the volume percent of WC in Co from 0 to 100 vol%, using both upper- and lower-bound expressions.arrow_forward
- Give some advantages and disadvantages of the high tensile strength nanowires when it is made by the Carbon-based nanomaterials.arrow_forwardEstimate the number of atoms that exist in a cubic centimeter of a solid material. This process will be aided by choosing an element and examining its density in the solid phase. (Use vanadium, whose density is 6.11 g/cm3 and whose atomic mass is 50.942 u. Calculate the number of atoms that exist in a cubic centimeter of this material.)arrow_forwardIs the relationship between µs and µk what you expected? Explain.arrow_forward
- The mechanical properties of cobalt may be improved by incorporating fine particles of tungsten carbide (WC). Given that the modulus of elasticity of these materials is 200 GPa and 700 GP, respectively. Plot modulus of elasticity versus the volume percent of WC in Co from 0 to 100 vol%, using both upper- and lower-bound expressions. And explain what you have plotted.arrow_forwardAssume we have to accommodate 18 million books, each of which has 1 billion characters. If each character can be written using 100atoms, and if the bulk atoms can be used, calculate the size of an object (in nanometers) that can accommodate all the 18 million books. Assume one atom occupies a space which is 0.25 nm in sizearrow_forward1. In engineering, why is the density of a particular engineering substance so crucial? Clearly explain. 2. What do the terms "single crystal" and "polycrystalline substance" mean? Briefly compare and contrast them. 3. Describe how x-ray diffraction is used to quantify elastic strain. Please answer all with full detail, Thank youarrow_forward
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