ENGINEERING YOUR FUTURE
9th Edition
ISBN: 9780190279288
Author: Oakes
Publisher: OXF
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Chapter 2, Problem 2.44EAA
To determine
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Qu 3 Nickel (Ni) single crystal turbine blades burn less fuel at higher temperatures because blades are grown on [110] closed packed direction. Nickel (Ni) at 20°C is FCC, and has an atomic radius, R, of 0.125 nm. Draw a reduced-sphere unit cell for this crystal and draw and label the vector [I 10], starting from the origin (0, 0, 0).
a) Calculate the length of the vector [| 10] in nanometers. Express your answer in nanometers to one significant figure.
b) Calculate the linear density of Nickel in the [| 1 0] direction in [atom/nm]. Express your answer in atoms/nm to one significant figure.
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Chapter 2 Solutions
ENGINEERING YOUR FUTURE
Ch. 2 - Prob. 2.1EAACh. 2 - Prob. 2.2EAACh. 2 - Prob. 2.3EAACh. 2 - Prob. 2.4EAACh. 2 - Prob. 2.5EAACh. 2 - Prob. 2.6EAACh. 2 - Prob. 2.7EAACh. 2 - Prob. 2.8EAACh. 2 - Prob. 2.9EAACh. 2 - Prob. 2.10EAA
Ch. 2 - Prob. 2.11EAACh. 2 - Prob. 2.12EAACh. 2 - Prob. 2.13EAACh. 2 - Prob. 2.14EAACh. 2 - Prob. 2.15EAACh. 2 - Prob. 2.16EAACh. 2 - Prob. 2.17EAACh. 2 - Prob. 2.18EAACh. 2 - Prob. 2.19EAACh. 2 - Prob. 2.20EAACh. 2 - Prob. 2.21EAACh. 2 - Prob. 2.22EAACh. 2 - Prob. 2.23EAACh. 2 - Prob. 2.24EAACh. 2 - Prob. 2.25EAACh. 2 - Prob. 2.26EAACh. 2 - Prob. 2.27EAACh. 2 - Prob. 2.28EAACh. 2 - Prob. 2.29EAACh. 2 - Prob. 2.30EAACh. 2 - Prob. 2.31EAACh. 2 - Prob. 2.32EAACh. 2 - Prob. 2.33EAACh. 2 - Prob. 2.34EAACh. 2 - Prob. 2.35EAACh. 2 - Prob. 2.36EAACh. 2 - Prob. 2.37EAACh. 2 - Prob. 2.38EAACh. 2 - Prob. 2.39EAACh. 2 - Prob. 2.40EAACh. 2 - Prob. 2.41EAACh. 2 - Prob. 2.42EAACh. 2 - Prob. 2.43EAACh. 2 - Prob. 2.44EAACh. 2 - Prob. 2.45EAACh. 2 - Prob. 2.46EAACh. 2 - Prob. 2.47EAACh. 2 - Prob. 2.48EAACh. 2 - Prob. 2.49EAACh. 2 - Prob. 2.50EAA
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- Required information An eccentric force P is applied as shown to a steel bar of 25 × 90-mm cross section. The strains at A and B have been measured and found to be εΑ = +490 μ εB=-70 μ Know that E = 200 GPa. 25 mm 30 mm 90 mm 45 mm B Determine the distance d. The distance dis 15 mm mm.arrow_forwardhandwritten-solutions, please!arrow_forwardhandwritten-solutions, please!arrow_forward
- ! Required information Assume that the couple shown acts in a vertical plane. Take M = 25 kip.in. r = 0.75 in. A B 4.8 in. M 1.2 in. [1.2 in. Determine the stress at point B. The stress at point B is ksi.arrow_forwardhandwritten-solutions, please!arrow_forwardhandwritten-solutions, please!arrow_forward
- No use chatgptarrow_forwardProblem 6 (Optional, extra 6 points) 150 mm 150 mm 120 mm 80 mm 60 mm PROBLEM 18.103 A 2.5 kg homogeneous disk of radius 80 mm rotates with an angular velocity ₁ with respect to arm ABC, which is welded to a shaft DCE rotating as shown at the constant rate w212 rad/s. Friction in the bearing at A causes ₁ to decrease at the rate of 15 rad/s². Determine the dynamic reactions at D and E at a time when ₁ has decreased to 50 rad/s. Answer: 5=-22.01 +26.8} N E=-21.2-5.20Ĵ Narrow_forwardProblem 1. Two uniform rods AB and CE, each of weight 3 lb and length 2 ft, are welded to each other at their midpoints. Knowing that this assembly has an angular velocity of constant magnitude c = 12 rad/s, determine: (1). the magnitude and direction of the angular momentum HD of the assembly about D. (2). the dynamic reactions (ignore mg) at the bearings at A and B. 9 in. 3 in. 03 9 in. 3 in. Answers: HD = 0.162 i +0.184 j slug-ft²/s HG = 2.21 k Ay =-1.1 lb; Az = 0; By = 1.1 lb; B₂ = 0.arrow_forward
- Problem 5 (Optional, extra 6 points) A 6-lb homogeneous disk of radius 3 in. spins as shown at the constant rate w₁ = 60 rad/s. The disk is supported by the fork-ended rod AB, which is welded to the vertical shaft CBD. The system is at rest when a couple Mo= (0.25ft-lb)j is applied to the shaft for 2 s and then removed. Determine the dynamic reactions at C and D before and after the couple has been removed at 2 s. 4 in. C B Mo 5 in 4 in. Note: 2 rotating around CD induced by Mo is NOT constant before Mo is removed. and ₂ (two unknowns) are related by the equation: ₂ =0+ w₂t 3 in. Partial Answer (after Mo has been removed): C-7.81+7.43k lb D -7.81 7.43 lbarrow_forwardProblem 4. A homogeneous disk with radius and mass m is mounted on an axle OG with length L and a negligible mass. The axle is pivoted at the fixed-point O, and the disk is constrained to roll on a horizontal surface. The disk rotates counterclockwise at the constant rate o₁ about the axle. (mg must be included into your calculation) (a). Calculate the linear velocity of G and indicate it on the figure. (b). Calculate ₂ (constant), which is the angular velocity of the axle OG around the vertical axis. (c). Calculate the linear acceleration ā of G and indicate it on the figure. (d). Determine the force (assumed vertical) exerted by the floor on the disk (e). Determine the reaction at the pivot O. 1 Answers: N = mg +mr(r/L)² @² |j mr w IIG C R L i+ 2L =arrow_forwardProblem 2. The homogeneous disk of weight W = 6 lb rotates at the constant rate co₁ = 16 rad/s with respect to arm ABC, which is welded to a shaft DCE rotating at the constant rate 2 = 8 rad/s. Assume the rod weight is negligible compared to the disk. Determine the dynamic reactions at D and E (ignore mg). Answers: D=-7.12ĵ+4.47k lb r-8 in. 9 in. B D E=-1.822+4.47 lb 9 in. E 12 in. 12 in. xarrow_forward
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