I need the answer as soon as possible E2. Using the two theoretical predictions of fracture strength, o;(equation 14.4)and ot =YE(equation 14.8), calculate the theoretical fracture strength of iron andaoMgo. For iron, take ao as its atomic diameter (0.124 nm) and, for MgO, as theaverage of the ionic diameters of Mg+2 and 0-2 (0.105 nm). The surface energiesof iron and MgO are about 2.0 J/m2 and 1.2 J/m², respectively. Young's moduli ofiron and MgO are about 270 GPA and 300 GPa, respectively. How do theseanswers compare with each other? How do these answers compare with the actualfracture strengths of each?

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2. Using the two theoretical predictions of fracture strength, o = (equation 14.4) YE (equation 14.8), calculate the theoretical fracture strength of iron and ao and ot MgO. For iron, take ao as its atomic diameter (0.124 nm) and, for MgO, as the average of the ionic diameters of Mg*2 and O-² (0.105 nm). The surface energies of iron and MgO are about 2.0 J/m2 and 1.2 J/m2, respectively. Young's moduli of iron and MgO are about 270 GPA and 300 GPa, respectively. How do these answers compare with each other? How do these answers compare with the actual fracture strengths of each?

2. Using the two theoretical predictions of fracture strength, o = (equation 14.4) YE (equation 14.8), calculate the theoretical fracture strength of iron and ao and ot MgO. For iron, take ao as its atomic diameter (0.124 nm) and, for MgO, as the average of the ionic diameters of Mg*2 and O-² (0.105 nm). The surface energies of iron and MgO are about 2.0 J/m2 and 1.2 J/m2, respectively. Young's moduli of iron and MgO are about 270 GPA and 300 GPa, respectively. How do these answers compare with each other? How do these answers compare with the actual fracture strengths of each?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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