Chapter+3+Study+Guide

Chapter+3+Study+Guide - for hard spheres in FCC and HCP...

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Study Guide- Chapter 3 What is the distinction between the structure of a liquid and a crystalline solid? What are the seven crystal systems? What is the relationship between the crystal systems and the Bravais lattices? Know the geometric parameters associated with FCC and BCC structures. This includes planes of densest packing, the directions of closest approach, the relationship between atomic radius and lattice parameter for a BCC and FCC structure. Know how to calculate the packing factor for a BCC, FCC and DC structure. Know how to calculate densities based on these lattices.
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Study Guide- Chapter 3, Continued Know the relationship between stacking and structure
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Unformatted text preview: for hard spheres in FCC and HCP metals. • Know coordinates, directions and planes for cubic materials. • For a given structure, know how to determine the number of lattice points per unit cell, the number of atoms per unit cell and the number of nearest neighbors in FCC and BCC metals and in systems with more than one atom per lattice point such as the cesium chloride, sodium chloride, diamond cubic, zinc blend, and fluorite structures. • What is Bragg’s Law and how is it used? • How is d-spacing measured? How is it related to the lattice parameter of a cubic material? • Know the key terms on page 104 for Chapter 3....
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Chapter+3+Study+Guide - for hard spheres in FCC and HCP...

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