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 2, Problem 2.43P
To determine
To explain: The highest modulus of elasticity among Aluminum and Silicon.
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Chapter 2 Solutions
The Science and Engineering of Materials (MindTap Course List)
Ch. 2 - Prob. 2.1PCh. 2 - Prob. 2.2PCh. 2 - Prob. 2.3PCh. 2 - Why is it important to consider the structure of a...Ch. 2 - Prob. 2.5PCh. 2 - Prob. 2.6PCh. 2 - Prob. 2.7PCh. 2 - Prob. 2.8PCh. 2 - Prob. 2.9PCh. 2 - Prob. 2.10P
Ch. 2 - Write the electron configuration for the element...Ch. 2 - Prob. 2.12PCh. 2 - Prob. 2.13PCh. 2 - Prob. 2.14PCh. 2 - Prob. 2.15PCh. 2 - Prob. 2.16PCh. 2 - Prob. 2.17PCh. 2 - Prob. 2.18PCh. 2 - Prob. 2.19PCh. 2 - Prob. 2.20PCh. 2 - Prob. 2.21PCh. 2 - Prob. 2.22PCh. 2 - Prob. 2.23PCh. 2 - Prob. 2.24PCh. 2 - Prob. 2.25PCh. 2 - Prob. 2.26PCh. 2 - What are the bonding mechanisms in thermoplastics?Ch. 2 - Prob. 2.28PCh. 2 - Materials such as silicon carbide (SiC) and...Ch. 2 - Prob. 2.30PCh. 2 - Prob. 2.31PCh. 2 - Prob. 2.32PCh. 2 - Prob. 2.33PCh. 2 - Prob. 2.34PCh. 2 - In order to increase the operating temperature of...Ch. 2 - Prob. 2.36PCh. 2 - Prob. 2.37PCh. 2 - Prob. 2.38PCh. 2 - Prob. 2.39PCh. 2 - Prob. 2.40PCh. 2 - Would you expect MgO or magnesium to have the...Ch. 2 - Would you expect (Al2O3) or aluminum to have the...Ch. 2 - Prob. 2.43PCh. 2 - Prob. 2.44PCh. 2 - Steel is coated with a thin layer of ceramic to...Ch. 2 - Prob. 2.46PCh. 2 - Prob. 2.47PCh. 2 - Prob. 2.48PCh. 2 - Prob. 2.49PCh. 2 - Prob. 2.50PCh. 2 - Prob. 2.51DPCh. 2 - Turbine blades used in jet engines can be made...Ch. 2 - You want to use a material that can be used for...Ch. 2 - Prob. 2.1KP
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- A polycrystalline metallic material has a higher yield strength compared to mono crystalline metallic material. How you describe this using the structural properties of material.arrow_forwardThe crystalline density of polypropyleneis 0.946 g>cm3, and its amorphous densityis 0.855 g>cm3. What is the weight percentof the structure that is crystalline ina polypropylene that has a density of0.9 g>cm3?arrow_forwardIn an engineering application, the material is a strip of iron with a fixed crystallographic structure subject to a tensile load during operation. The part failed (yielded) during operation and needs to be replaced with a component with better properties. You are told that two other iron strips had failed at yield stresses of 110 and 120 MPa, with grain sizes of 30 microns and 25 microns respectively. The current strip has a grain size of 20 microns. The diameter of the rod is 1 mm and the load applied is 100 N. What is the yield stress of the new part C and would you recommend it for operation? Select one: a. 140.5, no Ob. 129.5, yes OC. 120.5 MPa, no O d. 133.5 MPa, yes O e. 123.5 MPa, yesarrow_forward
- In an engineering application, the material is a strip of iron with a fixed crystallographic structure subject to a tensile load during operation. The part failed (yielded) during operation and needs to be replaced with a component with better properties. You are told that two other iron strips had failed at yield stresses of 110 and 120 MPa, with grain sizes of 30 microns and 25 microns respectively. The current strip has a grain size of 20 microns. The diameter of the rod is 1 mm and the load applied is 100 N. What is the yield stress of the new part C and would you recommend it for operation? Select one: a. O b. 129.5, yes C. 133.5 MPa, yes e. 120.5 MPa, no d. 140.5, no 123.5 MPa, yesarrow_forwardFrom the perspective of inter-atomic forces, explain about the elastic modulus and ultimate strength of materials.arrow_forwardtheory of elasticityarrow_forward
- The crystal structure of titanium is HCP, its atomic mass is 47.9 g/mol, and its density is 4.51 g/cm3. If it has a c/a ratio of 1.58, find out the values of c and a.arrow_forwardIn the cubic structure, there are mainly 3 elastic constants including C11, C11, and C44. Now, in my simulation, the value of C11 is becoming very high due to applying pressure. So far, in the simulations I've done, it's reached around 570 GPa. If more pressure is induced, it could increase further. My question is, is this increase normal?arrow_forwardSilicon has three naturally-occurring isotopes: 92.23% of 28Si, with an atomic weight of 27.9769 amu, 4.68% of 29Si, with an atomic weight of 28.9765 amu, and 3.09% of 30Si, with an atomic weight of 29.9738 amu. On the basis of these data, confirm that the average atomic weight of Si is 28.0854 amu.arrow_forward
- 2- The mechanical properties of metals and glasses under tension and deformation are very different. Find an example of each and define their basic differences.arrow_forward(6) For an aluminum alloy under constant load, the creep rate increased by a factor of 2 when the temperature was increased from 71°C to 77°C. Find the activation energy and express it in Joule/mole.arrow_forwardYoung's modulus for aluminum is 6.2 x 1010 N/m2. The density of aluminum is 2.7 grams/cm3, and the mass of one mole (6 x 1023 atoms) is 27 grams. If we model the interactions of neighboring aluminum atoms as though they were connected by springs, determine the approximate spring constant of such a spring. Repeat this analysis for lead: Young's modulus for lead is 1.6 × 1010 N/m?, the density of lead is 11.4 grams/cm3, and the mass of one mole is 207 grams. Make a note of these results, which we will use for various purposes later on. Note that aluminum is a rather stiff material, whereas lead is quite soft. Part 1 Your answer is incorrect. (a) ks, aluminum ! N/m i Save for Later Last saved 1 day ago. Attempts: 3 of 4 used Submit Answer Saved work will be auto-submitted on the due date. Auto- submission can take up to 10 minutes. Part 2 (b) ks, lead = i N/m eTextbook and Media Save for Later Attempts: 0 of 4 used Submit Answerarrow_forward
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