Читать книгу Engineering Physics of High-Temperature Materials - Nirmal K. Sinha - Страница 44

As materials, solids can largely be grouped into crystalline and amorphous materials. Crystalline solids are those in which the atoms are regularly spaced and form repeating structures in three dimensions. This definition of solids applies to the traditional classification of phases. Amorphous materials do not have any long‐range order in their structures, but they have demonstrated unique properties of interest to engineers.