1. True or false? In crystals, there exists an atomic mismatch within the regions where grains meet. These regions are called grain boundaries and they possess a lower energy than external surfaces A)True B)False 4. Some hypothetical alloy is composed of 30 wt% of metal A and 70 wt% of metal B. If the densities of metals A and B are 8.3 and 10.7 g/cm3, respectively, whereas their respective atomic weights are 115 and 108 g/mol, determine whether the crystal structure for this alloy is simple cubic, face-centered cubic, or body- centered cubic. Assume a unit cell edge length of 0.332 nm. (Non-anonymous question O)

1. True or false? In crystals, there exists an atomic mismatch within the regions where grains meet. These regions are called grain boundaries and they possess a lower energy than external surfaces A)True B)False 4. Some hypothetical alloy is composed of 30 wt% of metal A and 70 wt% of metal B. If the densities of metals A and B are 8.3 and 10.7 g/cm3, respectively, whereas their respective atomic weights are 115 and 108 g/mol, determine whether the crystal structure for this alloy is simple cubic, face-centered cubic, or body- centered cubic. Assume a unit cell edge length of 0.332 nm. (Non-anonymous question O)

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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