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| 差示扫描量热法× | 相场模型× | |
|---|---|---|
| 领域 | 材料科学 | 材料科学 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1964 | 1958 |
| 提出者≠ | E. S. Watson | John W. Cahn |
| 类型≠ | Measurement method | Simulation method |
| 开创性文献≠ | Watson, E. S., O'Neill, M. J., Justin, J., & Brenner, N. (1964). A differential scanning calorimeter for quantitative differential thermal analysis. Analytical Chemistry, 36(7), 1233-1238. DOI ↗ | Cahn, J. W. (1958). Free energy of a nonuniform system: Interfacial free energy. The Journal of Chemical Physics, 28(2), 258-267. DOI ↗ |
| 别名≠ | DSC, differential thermal analysis, thermal analysis | phase-field method, diffuse interface method |
| 相关 | 3 | 3 |
| 摘要≠ | Differential Scanning Calorimetry (DSC) is a thermal characterization technique that measures the heat flow required to maintain a sample and an inert reference at the same temperature while both are heated or cooled. Invented by Watson, O'Neill, and colleagues in 1964, DSC directly quantifies enthalpy changes during phase transitions, crystallization, melting, and chemical reactions. It is the standard tool in materials science, chemistry, and pharmaceutical research for determining thermodynamic properties, thermal stability, and kinetics of thermal transitions. | Phase-Field Modeling (PFM) is a continuum computational method for simulating microstructure evolution, phase transitions, and interfacial dynamics without explicitly tracking moving boundaries. Developed from Cahn-Ginzburg-Landau theory in the 1950s, PFM represents distinct phases through continuous order parameters that vary smoothly over diffuse interfaces. This approach elegantly handles topological changes (nucleation, coalescence, pinch-off), complex interface geometries, and strongly coupled multiphysics. It is the dominant method for studying dendritic growth, spinodal decomposition, grain evolution, and reactive transport in materials science. |
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