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Updated: Jul 9, 2025

Characterization of Thermal Transport in One-dimensional Solid Materials
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Characterization of Thermal Transport in One-dimensional Solid Materials

Published on: January 26, 2014

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在高压和高温下,ZrO2和HfO2多态的相位关系,导热性和弹性特性

Dinara N Sagatova1,2, Nursultan E Sagatov2,3, Pavel N Gavryushkin2,3

  • 1Nikolaev Institute of Inorganic Chemistry, Novosibirsk, Russian Federation. sagatovadn@igm.nsc.ru.

Physical chemistry chemical physics : PCCP
|November 30, 2023
PubMed
概括

本研究使用密度函数理论为ZrO2和HfO2提供了第一个P-T相图. 它详细介绍了这些重要的陶材料的高压相变和特性.

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相关概念视频

Phase Diagram01:19

Phase Diagram

The phase of a given substance depends on the pressure and temperature. Thus, plots of pressure versus temperature showing the phase in each region provide considerable insights into the thermal properties of substances. Such plots are known as phase diagrams. For instance, in the phase diagram for water (Figure 1), the solid curve boundaries between the phases indicate phase transitions (i.e., temperatures and pressures at which the phases coexist).
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Phase Diagrams02:39

Phase Diagrams

A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
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Thermal Strain

Thermal strain is a concept that arises when we consider how temperature changes affect structures. Unlike the conventional assumption that structures remain constant under load, real-world scenarios often involve temperature fluctuations that can significantly impact these structures. Consider a homogeneous rod with a uniform cross-section resting freely on a flat horizontal surface. If the rod's temperature increases, the rod elongates. This elongation is proportional to the temperature...
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Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity

Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.
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