name of institution materials crystalline non crystalline the properties of some materials are directly related to their crystal structures solid materials may be classified according to the regularity with which ...
Filetype Power Point PPT | Posted on 09 Sep 2022 | 4 years ago
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...Name of institution materials crystalline non the properties some are directly related to their crystal structures solid may be classified according regularity with which atoms or ions arranged respect one another a material is in situated repeating periodic array over large atomic distances upon solidification will position themselves repetitive three dimensional pattern each atom bonded its nearest neighbor all metals many ceramic and certain polymers form under normal conditions solids depend on structure manner molecules spatially when describing thought as being spheres having well defined diameters this termed hard sphere model representing touch sometimes term lattice used context sense means points coinciding positions unit cells order indicates that small groups thus it often convenient subdivide into repeat entities called for most parallelepipeds prisms sets parallel faces cell chosen represent symmetry wherein generated by translations integral along edges basic structural ...