WebNov 1, 2024 · The crystalline portion remains crystalline during the glass transition. At a low temperature the amorphous regions of a polymer are in the glassy state. In this state the molecules are frozen on place. They may be able to vibrate slightly, but do not have any segmental motion in which portions of the molecule wiggle around. WebApr 10, 2024 · crystalline in British English (ˈkrɪstəˌlaɪn ) adjective 1. having the characteristics or structure of crystals 2. consisting of or containing crystals 3. made of or like crystal; transparent; clear Collins English Dictionary. Copyright © HarperCollins Publishers Derived forms crystallinity (ˌkrɪstəˈlɪnɪtɪ ) noun Word Frequency
What are Crystalline Solids - Crystalline Materials - Definition ...
WebSep 12, 2024 · 4.5: Crystallinity in Polymers. We often think of polymers in the form of plastics: solid materials that serve some structural function, like a water bottle or some Venetian blinds. Polymers are different from many other such solids. Metals, for instance, have crystalline structures, in which atoms form a regularly repeating pattern, row upon … WebFigure 10.37 The entities of a solid phase may be arranged in a regular, repeating pattern (crystalline solids) or randomly (amorphous). Metals and ionic compounds typically form ordered, crystalline solids. Substances that consist of large molecules, or a mixture of molecules whose movements are more restricted, often form amorphous solids. green map of africa
4.1: Classification of Igneous Rocks - Geosciences LibreTexts
WebMar 6, 2024 · A crystal possesses a certain discrete set of angles of rotation that leave the appearance unchanged. The continuous rotational symmetry of empty space is broken, and only a discrete symmetry exists. Broken rotational symmetry influences many important properties of crystals. WebAtomic positions in a crystal exhibit a property called long-range order or translational periodicity; positions repeat in space in a regular array, as in Figure 2A. In an amorphous solid, translational periodicity is absent. As indicated in … Webcrystalline / ( ˈkrɪstəˌlaɪn) / adjective having the characteristics or structure of crystals consisting of or containing crystals made of or like crystal; transparent; clear Derived … flying l ranch pud