Below their glass transition temperature, amorphous polymers are usually hard and brittle because of the low mobility of their molecules. Increasing the temperature induces molecular motion resulting in the typical rubber-elastic properties. A constant force applied to a polymer at temperatures above Tg results in a viscoelastic deformation, i.e., the polymer begins to creep. Heat resistance is usually given for amorphous polymers just below the glass transition temperature. WebbNanostructure and phase engineering integration of amorphous Ni-Co sulfide/crystalline MnS/rGO cathode and ultra-small Fe_2O_3 nanodots/rGO anode for all-solid-state asymmetric supercapacitors 来自 国家科技图书文献中心
Amorphous Solid - Definition, Properties, Difference between ...
Webbför 2 dagar sedan · However, the related mechanism of crystalline-to-amorphous transition during shear-band formation at the atomic level remains unclear. In this paper, the shear deformation of SmCo 5 is investigated by molecular dynamics simulations and we discuss the behavior of shear-band formation by exploring the atomic packing in the interfacial … Webbför 2 dagar sedan · In this work, the open source LAMMPS code [28] was used to carry out MD simulations and investigate the influences of void location and shape on the mechanical properties of crystalline/amorphous composites with a pre-existing void.In the construction of the model, first, a rectangular Cu 64 Zr 36 amorphous sample was … ipvd16g12c
Amorphous vs. Crystalline Solids: Which One’s True Solid?
Webbamorphous solid, any noncrystalline solid in which the atoms and molecules are not organized in a definite lattice pattern. Such solids include glass, plastic, and gel. Solids and liquids are both forms of condensed matter; both are composed of atoms in close proximity to each other. But their properties are, of course, enormously different. While a … WebbThe most considerable difference between amorphous and semi-crystalline polymers is in the molecular structure. As mentioned, amorphous polymers are random, entangled … Webb10 mars 2016 · Magnetic materials in the form of nano-sized particles or amorphous structures can generate many novel behaviors. In particular, memory and aging effects that reflect the characteristics of slow spin dynamics [1,2] have been observed [3,4,5,6,7,8] in magnetic nanoparticles (NPs).The memory effect in magnetic systems refers to the … orchestration graph