Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
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Chapter 4.8, Problem 48SEP
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Chapter 4 Solutions
Foundations of Materials Science and Engineering
Ch. 4.8 - Prob. 1KCPCh. 4.8 - Define the homogeneous nucleation process for the...Ch. 4.8 - In the solidification of a pure metal, what are...Ch. 4.8 - In the solidification of a metal, what is the...Ch. 4.8 - During solidification, how does the degree of...Ch. 4.8 - Distinguish between homogeneous and heterogeneous...Ch. 4.8 - Describe the grain structure of a metal ingot that...Ch. 4.8 - Distinguish between equiaxed and columnar grains...Ch. 4.8 - How can the grain size of a cast ingot be refined?...Ch. 4.8 - Prob. 10KCP
Ch. 4.8 - Prob. 11KCPCh. 4.8 - Prob. 12KCPCh. 4.8 - Distinguish between a substitutional solid...Ch. 4.8 - What are the conditions that are favorable for...Ch. 4.8 - Prob. 15KCPCh. 4.8 - Prob. 16KCPCh. 4.8 - Prob. 17KCPCh. 4.8 - Prob. 18KCPCh. 4.8 - Describe the structure of a grain boundary. Why...Ch. 4.8 - Describe and illustrate the following planar...Ch. 4.8 - Prob. 21KCPCh. 4.8 - Describe the optical metallography technique. What...Ch. 4.8 - Prob. 23KCPCh. 4.8 - Prob. 24KCPCh. 4.8 - Prob. 25KCPCh. 4.8 - Prob. 26KCPCh. 4.8 - Prob. 27KCPCh. 4.8 - Prob. 28KCPCh. 4.8 - Prob. 29KCPCh. 4.8 - Prob. 30KCPCh. 4.8 - Prob. 31KCPCh. 4.8 - Calculate the size (radius) of the critically...Ch. 4.8 - Prob. 33AAPCh. 4.8 - Prob. 34AAPCh. 4.8 - Calculate the number of atoms in a critically...Ch. 4.8 - Prob. 36AAPCh. 4.8 - Prob. 37AAPCh. 4.8 - Prob. 38AAPCh. 4.8 - Prob. 39AAPCh. 4.8 - Prob. 40AAPCh. 4.8 - Prob. 41AAPCh. 4.8 - Prob. 42AAPCh. 4.8 - Determine, by counting, the ASTM grain-size number...Ch. 4.8 - Prob. 44AAPCh. 4.8 - For the grain structure in Problem 4.43, estimate...Ch. 4.8 - Prob. 46AAPCh. 4.8 - Prob. 47SEPCh. 4.8 - Prob. 48SEPCh. 4.8 - Prob. 49SEPCh. 4.8 - Prob. 50SEPCh. 4.8 - In Chapter 3 (Example Problem 3.11), we calculated...Ch. 4.8 - Prob. 52SEPCh. 4.8 - Prob. 53SEPCh. 4.8 - Prob. 54SEPCh. 4.8 - Prob. 55SEPCh. 4.8 - Prob. 56SEPCh. 4.8 - Prob. 57SEPCh. 4.8 - Prob. 58SEPCh. 4.8 - Prob. 59SEPCh. 4.8 - Prob. 60SEPCh. 4.8 - Prob. 61SEPCh. 4.8 - Prob. 62SEPCh. 4.8 - Prob. 63SEPCh. 4.8 - Prob. 64SEPCh. 4.8 - Prob. 65SEPCh. 4.8 - Prob. 66SEP
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- Calculate the number of vacancies per cubic meter for some metal, M, at 850°C. The energy for vacancy formation is 1.02 eV/atom, while the density and atomic weight for this metal are 4.30 g/cm3 (at 850°C) and 85.93 g/mol, respectively.arrow_forwardCalculate the number of vacancies per cubic meter for some metal, M, at 806°C. The energy for vacancy formation is 0.88 eV/atom, while the density and atomic weight for this metal are 5.24 g/cm^ (at 806°C) and 44.02 g/mol, respectively.arrow_forwardCalculate the number of vacancies per m 3 for gold at 900 C. The energy for vacancyformation is 0.86 eV/atom.arrow_forward
- Calculate the number of vacancies per cubic meter in gold (Au) at 900C. The energy for vacancy formation is 0.98 eV/atom. Furthermore, the density and atomic weight for Au are 18.63 g/cm3 (at 900C) and 196.9 g/mol, respectively.arrow_forwardThe density of a sample of HCP beryllium is 1.844 g/cm 3 , and the lattice parameters are a 0 = 0.22858 nm and c 0 = 0.35842 nm. Calculate (a) the fraction of the lattice points that contains vacancies: and (b) the total number of vacancies in a cubic centimetre of Bearrow_forwardGiven that the expression for the equilibrium concentration of point defects are similar for pure metals, will there be identical amount of vacancies and (self-) interstitial atoms at room temperature? Justify your answerarrow_forward
- Lead and aluminum both have FCC crystal structures. Knowing that solid aluminum has a density of 2.71g/cm3, determine density of solid lead in g/cm3.arrow_forwardFor BCC metal X, compute the interplanar spacing for the 212 set of planes. The lattice parameter for Fe is 0.2194 nm. Round your answer to 2 decimal places.arrow_forwardCalculate BC, HC and HG Rod forces in the lattice system?arrow_forward
- A metal crystallizes in the face‑centered cubic (FCC) lattice. The density of the metal is 1202012020 kg/m3, and the length of a unit cell edge, ?a, is 389.08389.08 pm. Calculate the mass of one metal atom. mass: gg Identify the metal. platinum gold silver palladiumarrow_forwardGiven the crystal plane, give the miller indexarrow_forwardCalculate the fraction of vacant lattice sites for pure copper at 1080oC. The value of the activation energy to create a vacancy in copper is 0.90 eV, its density is 8.94 g/cm3 and its melting point is 1085oC.arrow_forward
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