Утвержденный рабочий проект
ISO/AWI 4825-5
Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for thermal property measurements of metalized ceramic substrates — Part 5: Transient thermal characterization for double-sided cooling power module
Ссылочный номер
ISO/AWI 4825-5
Версия 1
Утвержденный рабочий проект
ISO/AWI 4825-5
92523
Проект данного международного стандарта был подготовлен рабочей группой.

Тезис

Transient thermal measurement is used to yield the structure function, represented by Cauer model thermal network from junction to ambient. Structure function represents the three-dimensional heat conduction from the junction to the ambient, by the integral of the thermal resistance and the thermal capacitance from junction to the ambient, in a direction perpendicular to the iso-surfaces [2, 3]. For single-sided cooling modules, the direction of "thermal network from the heat source to the heat sink" was almost identical to the "one-dimensional Cauer thermal network represented by structure function showing the direction normal to the iso-surfaces. This article characterizes the thermal parameter for a double-sided cooling module, which is performed using the fact that structure function originally represents three-dimensional heat dissipation. Non-destructive fatigue analysis is shown as an example of the use-case of the calibrated model.

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