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Diferentsiaalne skaneeriv kalorimeetria×Faasivälja modelleerimine×Termogravimeetriline analüüs×
ValdkondMaterjaliteadusMaterjaliteadusMaterjaliteadus
PerekondProcess / pipelineProcess / pipelineProcess / pipeline
Tekkeaasta196419581960s
LoojaE. S. WatsonJohn W. CahnWilliam W. Wendlandt
TüüpMeasurement methodSimulation methodCharacterization method
AlgallikasWatson, 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 ↗Wendlandt, W. W. (1986). Thermal Analysis (3rd ed.). John Wiley & Sons. link ↗
RööpnimetusedDSC, differential thermal analysis, thermal analysisphase-field method, diffuse interface methodTGA, thermal gravimetry, thermogravimetry
Seotud333
KokkuvõteDifferential 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.Thermogravimetric Analysis (TGA) is a thermal characterization technique that continuously measures mass loss or gain of a material as a function of temperature (or time at constant temperature). Developed systematically by William Wendlandt and colleagues in the 1960s, TGA identifies thermal transitions (evaporation, decomposition, oxidation, reduction) and quantifies composition of polymers, pharmaceuticals, ceramics, and other materials. The derivative signal (DTG) highlights transition temperatures. When combined with gas analysis (MS, FTIR), decomposition products are identified.
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ScholarGateVõrdle meetodeid: Differential Scanning Calorimetry · Phase-Field Modeling · Thermogravimetric Analysis. Loetud 2026-06-20 aadressilt https://scholargate.app/et/compare