The Science and Engineering of Materials (MindTap Course List)
7th Edition
ISBN: 9781305076761
Author: Donald R. Askeland, Wendelin J. Wright
Publisher: Cengage Learning
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Chapter 1, Problem 1.2KP
• Using the basic search option in Knovel, find as much physical and
• Using the Basic Search, find the formula for the volume of both a sphere and a cylinder.
• Using the Data Search, produce a list of five chemicals with a boiling point between 300 and 400 K.
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Chapter 1 Solutions
The Science and Engineering of Materials (MindTap Course List)
Ch. 1 - Define materials science and engineering (MSE).Ch. 1 - What is the importance of the engineering...Ch. 1 - Define the following terms: Composition;...Ch. 1 - Explain the difference between the terms materials...Ch. 1 - The myriad materials in the world primarily fall...Ch. 1 - What are some of the materials and mechanical...Ch. 1 - What is a ceramic, and what are some of the...Ch. 1 - comparisons between thermoplastics and...Ch. 1 - Give three examples of composites that can be...Ch. 1 - For each of the followign classes of materials,...
Ch. 1 - Describe the enabling materials property of each...Ch. 1 - Describe the enabling materials property of each...Ch. 1 - Prob. 1.13PCh. 1 - Prob. 1.14PCh. 1 - Prob. 1.15PCh. 1 - Temperature indicators are sometimes produced from...Ch. 1 - Prob. 1.17PCh. 1 - Prob. 1.18PCh. 1 - Prob. 1.19PCh. 1 - Prob. 1.20PCh. 1 - Steel is often coated with a thin layer of zinc if...Ch. 1 - Prob. 1.22PCh. 1 - Prob. 1.23PCh. 1 - Prob. 1.24PCh. 1 - You are an engineer working for a manufacturer of...Ch. 1 - We would like to produce a transparent canopy for...Ch. 1 - Prob. 1.27PCh. 1 - Prob. 1.28PCh. 1 - Prob. 1.29PCh. 1 - Prob. 1.30PCh. 1 - Prob. 1.31PCh. 1 - You would like to be able to identify different...Ch. 1 - You would like to be able to physically separate...Ch. 1 - Some pistons for automobile engines might be...Ch. 1 - • Convert 7750kg/m3tolb/ft3 using the Unit...Ch. 1 - • Using the basic search option in Knovel, find as...Ch. 1 - Prob. 1.3KP
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- ..Stable ceramic crystal structures form when -10 b- the number of anions is equal to number of cations. a- those anions surrounding a cation are all in contact with that cation. *. .The coordination number (CN) is -11 b- the total number of anions and cations in a crystal. O a- the number of anions nearest neighbors for a cation. * .The coordination number (CN) depends on -12 a- the ratio rC/rA. O b- the electrical charge on each of the ions. ..Cesium chloride structure is generated from -13 b- the anions are located at each of the corners of a cube, whereas the cube center is a single cation. a- an FCC arrangement of anions with one cation situated at the cube center and one at the center of each of the 12 cube edges. .The coordination number (CN) of Rock Salt structure is -14 a- 4 O b- 6 C-8 O O O Oarrow_forwardFor two hypotetical materials which have limitless solubility for both in the “liquid” and “solid” states in each other, the following data are listed. Melting Temperatures of material A and B are Tm,A and Tm,B respectively, Liquidus and Solidus curves are circular arcs. a- Draw the related “Phase Diagram” of Material A and Material B showing the data given and calculated. b- Calculate/Determine the compositions of phases at T2 , explain the procedure. c- Calculate/Determine the “percentages” of “phases” of Alloy,2 at T2 , explain the procedure. Given: -Tm,A, Celcius =530 -Tm,B, Celcius =830 -T1, Celcius =630 -B percentage of Liquid phase at T1 =35 -B percentage of Solid phase at T1 =80 -B percentage of Alloy 2. =60 -T2, Celcius =680 -B percentage of Liquid phase of Alloy 2 at T2 = to be calculated -B percentage of Solid phase of Alloy 2 at T2 = to be calculatedarrow_forwardNote:- • Do not provide handwritten solution. Maintain accuracy and quality in your answer. Take care of plagiarism. • Answer completely. • You will get up vote for sure.arrow_forward
- QUESTION 7 .An experiment is conducted to determine the variation of the diffusion coefficient as a function of temperature when carbon is diffused into BCC iron. The diffusion coefficient is measured at two different temperatures and is given by: Temp (°C) D (m2/s) 100 6.2 x 10-12 542 3.1 x 10-10 Calculate a value for the activation energy Qd (eV/atom) based on the experimental data?arrow_forwardUse the first image to solve two part questionarrow_forwardThe slope of the melting curve of methane (CH4) is given by dP dT = (0.08446 bar/K1.85). 70.85 (yes, the exponents are all correct!) from the triple point to arbitrary temperatures. (a) Using the fact that the temperature and pressure of the triple point are 90.68 K and 0.1174 bars, calculate the melting pressure (in bars) of methane at 95 K. (Hint: You will need to integrate to obtain the correct pressure!) (b) For this same system, at what temperature would the melting point occur when the pressure is 24.8 bars?arrow_forward
- Temperature (°C) 1. 2. What are the two characteristics of the component ions in crystalline ceramic materials that influence the crystal structure? What would the coordination number and coordination geometry be for a crystalline ceramic with a cation-anion radius ratio of 0.285? 3. Describe in general terms how a flexural test for ceramics is performed. 4. How do coarse and fine Pearlite differ and how is each formed? 5. Describe the two main ways to calculate the molecular weights of polymers. 7. 8. Draw the smallest repeating unit for each of the following polymers: a) PVC b) PS c) PP What are the corresponding recycling numbers for the polymers in Question 6? Nitrogen from a gaseous phase is to be diffused into pure iron at 700C. If the surface concentration is maintained at 0.1 wt% N, what will be the concentration 1 mm from the surface after 10 h? The diffusion coefficient for nitrogen in iron at 700C is 2.5 x 10-11 m²/s. Answer the following questions with reference to the…arrow_forwardAn FCC iron–carbon alloy initially containing 0.25 wt% C is exposed to an oxygen-rich and carbon-free atmosphere at 1400 K. Under these circumstances the carbon diffuses from the alloy and reacts at the surface with the oxygen in the atmosphere; that is, the carbon concentration at the surface position is maintained essentially at 0 wt% C. (This process of carbon depletion is termed decarburization.) At what position (x, in mm) will the carbon concentration 0.10 wt% after a 8-h treatment? The value of D at 1400 K is 6.9 x10-11 m2/s. Round your answer to 2 decimal place.arrow_forward1 Al-Li Aerospace Alloys When a small amount of Li is added into Al to create an Al-Li alloy, the two elements typically do not mix homogeneously. Instead, most of the material is nearly-pure Al, while some small regions are Li-rich.¹ (These small regions are called precipitates and they are responsible for giving Al-Li alloys much better properties for aerospace applications relative to pure Al. We'll learn more about the alloying process and about precipitates later in the course.) The Li-rich regions have the chemical formula Al3Li and belong to the cubic crystal system.² In the unit cell, the Li atoms are located at 000, while the Al atoms are located at 110, 101, and 01121. (a) Draw the unit cell of Al3Li. (b) Which of the crystal structures from Callister Chapter 3 does this resemble? Why do we not call it that structure? (c) Given that the lattice parameter is 0.401 nm, what is the density of Al3Li?arrow_forward
- 6. If we approximate the atmosphere to be 79% Nitrogen (N2) by volume and 21% oxygen (O2), estimate the density of air (kg/m3) and ppmv at 1 atmosphere and ambient temperatures of 40 C and 450 C. (Atomic weight of nitrogen=14)arrow_forwardQuestion 1Helium gas is contained in a cylinder by a gas-tight piston which can beassumed to move without friction. The gas occupies a volume of 1 x 10^-3m^3 temperature of 300K and a pressure of 1 x 10^5 Pa.(a) Calculate :i.the number of helium atoms in the container,ii.the total KE of the helium atoms(b) Energy is now supplied to the gas in such a way that the gas expands andthe temperature remains constant at 300K. State, and explain what changes, if any, will have occurred in the following quantities :i. The internal energy of the gasii. The root-mean-square speed of the helium atomsiii. The density of the gas.(Given : Boltzmann's constant = 1.38 x 10^23 JK^-1)arrow_forwardGiven the Cu-Zn phase diagram below, determine the amount of the phase/s present of a 75 wt% Zn -25 wt% Cu alloy for the following temperatures. Indicate the required composition for each temperature in the diagram. Round off your final answers up to two decimal places. Show your solutions completely and neatly and follow the table format below, Temperature Phase/s present Phase composition Relative amount 600 °C 570 °C y+ L 700 1200 8+L L 600 P 598°C 560°C 570 |1000 e + L y +e 500 60 68.6 70 74.3 75 78.2 80 90 Composition (wt % Zn) Temperature (°C) ta Temperature (°F)arrow_forward
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