汽车电子应用中瞬态多材料水分传递模型的新方法

2016 17th International Conference on Thermal, Mechanical and Multi-Physics Simulation and Experiments in Microelectronics and Microsystems (EuroSimE) Pub Date : 2016-04-18 DOI:10.1109/EUROSIME.2016.7463322

Daniel Markus, M. Schmidt, Karin Lunz, U. Becker

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引用次数: 5

摘要

本文分析了水分扩散方法在不同边界条件下和考虑材料非线性特性时的适用性。结果表明，通常使用的方法不适用于具有非线性饱和浓度的多材料装置的物理一致性处理。为了克服湿度建模中的这一限制，引入了一种新方法，即所谓的表面湿度势方法，并将其应用于汽车应用中遇到的环境中印刷电路板的湿度模拟。总体而言，为电子元件中塑料材料的水分分析奠定了良好的基础。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A new method to model transient multi-material moisture transfer in automotive electronics applications

This paper analyzes moisture diffusion methods regarding their applicability under varying boundary conditions and under consideration of non-linear material properties. It is shown that commonly utilized methods are not adequate for a physically consistent treatment of multimaterial setups with non-linear saturation concentrations. In order to overcome this limitation in moisture modeling, a new method, the so called Surface Humidity Potential approach is introduced, verified, and applied to a moisture simulation of a printed circuit board subjected to an environment encountered in automotive applications. Overall, a sound foundation for moisture analysis of plastic materials encountered in electronic components is established.

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2016 17th International Conference on Thermal, Mechanical and Multi-Physics Simulation and Experiments in Microelectronics and Microsystems (EuroSimE)

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