Chap+3+Posting - Chapter3:TheStructureof CrystallineSolids

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Chapter 3: The Structure of rystalline Solids Crystalline Solids Learning objectives: 1. Describe the difference in atomic/molecular structure between crystalline and noncrystalline materials. 2. Draw unit cells for face centered cubic, bond centered cubic, and hexagonal close paced crystal structures. 3. Derive the relationships between unit cell edge length and atomic radius for face centered cubic and body centered cubic crystal structures. 4. Compute the densities for metals having face centered cubic and body centered cubic crystal structures given their unit cell dimensions. 5. Given 3 direction index integers, sketch the direction corresponding to theses indices within a unit cell. 6. Specify the Miller indices for a plane that has been drawn within a unit cell. 7. Describe how face centered cubic and hexagonal close packed crystal structures ay be generated by the stacking of close acked planes of atoms. may be generated by the stacking of close packed planes of atoms. 8. Distinguish between single crystals and polycrystalline materials. 9. Define isotropy and anisotropy with respect to material properties.
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NERGY AND PACKING Energy ENERGY AND PACKING r Energy r
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Crystalline materials. .. MATERIALS AND PACKING rystalline SiO oncrystalline aterials Si Oxygen crystalline SiO 2 Adapted from Fig. 3.18(a), Callister 6e. Noncrystalline
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Chap+3+Posting - Chapter3:TheStructureof CrystallineSolids

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