Multi-material modeling of sorption-desorption processes with experimental validation

P Roy, ST Castonguay, JM Knipe, Y Sun… - Chemical Engineering …, 2022 - Elsevier
Moisture sorption and transport can pose severe consequences related to the performance
and lifetime of materials in many applications. This work explores the modeling and …

Rigorous Models for Vapor Diffusion in Polymers with Immobilization and Chemical Potential Gradients

BL Foley, S Aubry, M Murialdo… - The Journal of Physical …, 2024 - ACS Publications
Two key phenomena─ immobilization and concentration-dependent mixing free energies─
simultaneously alter the sorption thermodynamics and diffusion of vapors in materials. This …

[HTML][HTML] A climate classification for corrosion control in electronic system design

M Spooner, R Ambat, H Conseil-Gudla… - Machine Learning with …, 2022 - Elsevier
Climate factors such as humidity and temperature have a significant impact on the corrosion
reliability of electronic products. Given the huge geographical variability in climate …

Modeling diffusion and types IV sorption of water vapor in heterogeneous systems

ST Castonguay, P Roy, Y Sun, S Aubry, B Foley… - Chemical Engineering …, 2023 - Elsevier
A sorption and diffusion model is developed using a mobile-immobile decomposition of the
vapor concentration. Henry's mode represents the mobile species which diffuses through the …

Experimental study of transient heat transfer and temperature dynamics in the electronics enclosures

Z Staliulionis, L Paukštaitis… - 2022 23rd International …, 2022 - ieeexplore.ieee.org
Uncontrolled local enclosure climate is one of the main causes of moisture related
electronics failures such as electrochemical metal migration, corrosion, alternation of …

Numerical Modelling of Moisture Transport Between Two Enclosures Connected by a Tube

Ž STALIULIONIS, G Miliauskas, S Mohanty, JH Hattel - Mechanics, 2022 - mechanika.ktu.lt
The electronics is protected using plastic or metallic enclosures. Although, the electronics is
protected by the enclosures from the surrounding environment, the moisture can still enter …

Experimental Investigation of Thermal and Humidity Dynamics in the Enclosures Made of Non-Permeable Walls

Ž Staliulionis, G Miliauskas, L Paukštaitis, A Balčius - Mechanics, 2022 - mechanika.ktu.lt
The usage of electronics in outdoor environment is growing therefore the control of moisture
related failures in electronics are becoming more important. The main cause of these …

Numerical Modelling of Humidity Behaviour in the Electronics Housing

Z Staliulionis, S Mohanty, JH Hattel… - 2022 26th …, 2022 - ieeexplore.ieee.org
Exposure of electronics into harsh climate conditions leads to about 40% typical humidity
related failure modes on PCBA of the total electronics failures. These humidity related …