![]() Living structures do not violate the second law, but feed on input sources, which continuously supply low entropy material and energy (free energy) for system development. During this self-organization process, entropy is produced and then released towards the outer space. Geologic processes, atmospheric systems, ecosystems, and societies are interconnected through a series of infinitely different and changing relationships, each receiving energy and materials from the other, returning same, and acting through feedback mechanisms to self-organize the whole in a grand interplay of space, time, energy and information. Others identify entropy as the style of nature: since the biosphere is an open system supported by a constant inflow of solar energy, its structures and life phenomena undergo a continuous process of self-organization. In this regard, entropy is used to point out and measure the decreasing availability of high quality resources (i.e., resources with low entropy and high free energy), the increase of pollution due to the release of waste, chemicals, and heat into the environment, the increase of social disorder due to degraded conditions of life in megacities all around the world, the “collapse” of the economy, and so on. ![]() Many focused on the gloomy picture of increasing disorder and thermal death, characteristic of equilibrium thermodynamics and isolated systems. At the same time, it appeared scaring and confusing to many. The entropy concept is fascinating and rich of significance. 1700948.Carlo Bianciardi, Sergio Ulgiati, in Encyclopedia of Energy, 2004 6 Conclusion Carter: Kinetics of Materials, Wiley, 2005.Ĭ. Xing: The design and properties of refractory multiple-basis-element alloy films. Gerrard: Solubility of Gases and Liquids: Henry’s Law and Raoult’s Law, Springer, 1976. Zhang: High-Entropy Materials: A Brief Introduction. Our findings clarify the general role of entropy in high-entropy ceramics. ![]() Here, we also report three novel porous light-weight high-entropy nitrides based on the NbTiAlSi system. Moreover, there remain questions about the role of entropy stabilization in high-entropy ceramics. Several key research topics are summarized, including high-entropy films, high-entropy ceramics, and high-entropy alloys. Here, we examine the roles of order, disorder, and entropy in amorphous and high-entropy alloys. There is often a need to increase disorder or entropy in these materials to satisfy certain complex performance requirements. High-entropy alloys are controlled by chemical disorder, whereas amorphous alloys are governed by topological disorder. For example, recently developed high-entropy alloys and amorphous alloys have drawn interest based on the ability to design their disorder to bring out different material characteristics. Order and disorder are important principles in materials science in which entropy is a measure of disorder in a system.
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