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17.28 For each of the metals listed in the following + table, compute the Pilling-Bedworth ratio. Also, on the basis of this value, specify whether you would expect the oxide scale that forms on the surface to be protective, and then justify your decision. Density data for both the metal and its oxide are also tabulated. Metal Density (g/cm) Oxide Density (g/cm) Metal Metal Oxide Mg 1.74 MgO 3.58 V 6.11 3.36 Zn 7.13 ZnO 5.61

17.28 For each of the metals listed in the following + table, compute the Pilling-Bedworth ratio. Also, on the basis of this value, specify whether you would expect the oxide scale that forms on the surface to be protective, and then justify your decision. Density data for both the metal and its oxide are also tabulated. Metal Density (g/cm) Oxide Density (g/cm) Metal Metal Oxide Mg 1.74 MgO 3.58 V 6.11 3.36 Zn 7.13 ZnO 5.61

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Oxidation 17.28 For each of the metals listed in the following O table, compute the Pilling-Bedworth ratio. Also, on the basis of this value, specify whether you would expect the oxide scale that forms on the surface to be protective, and then justify your decision. Density data for both the metal and its oxide are also tabulated. Metal Density (g/cm³) Metal Oxide Oxide Density (g/cm³) Metal Mg 1.74 MgO 3.58 V 6.11 V,O5 3.36 Zn 7.13 ZnO 5.61
Transcribed Image Text:Oxidation 17.28 For each of the metals listed in the following O table, compute the Pilling-Bedworth ratio. Also, on the basis of this value, specify whether you would expect the oxide scale that forms on the surface to be protective, and then justify your decision. Density data for both the metal and its oxide are also tabulated. Metal Density (g/cm³) Metal Oxide Oxide Density (g/cm³) Metal Mg 1.74 MgO 3.58 V 6.11 V,O5 3.36 Zn 7.13 ZnO 5.61
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