Thermal analysis

Analysis of material by examining response to heat

Thermal analysis is a branch of materials science where the properties of materials are studied as they change with temperature. Several methods are commonly used – these are distinguished from one another by the property which is measured:Dielectric thermal analysis: dielectric permittivity and loss factor Differential thermal analysis: temperature difference versus temperature or time Differential scanning calorimetry: heat flow changes versus temperature or time Dilatometry: volume changes with temperature change Dynamic mechanical analysis: measures storage modulus (stiffness) and loss modulus (damping) versus temperature, time and frequency Evolved gas analysis: analysis of gases evolved during heating of a material, usually decomposition products Isothermal titration calorimetry Isothermal microcalorimetry Laser flash analysis: thermal diffusivity and thermal conductivity Thermogravimetric analysis: mass change versus temperature or time Thermomechanical analysis: dimensional changes versus temperature or time Thermo-optical analysis: optical properties Derivatography: A complex method in thermal analysis

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