Constitutive modeling of elastomers during photo-and thermo-oxidative aging

H Mohammadi, V Morovati, AE Korayem… - Polymer Degradation …, 2021 - Elsevier
In this study, we proposed a micro-mechanical model to describe the effects of temperature
and UV radiation on the constitutive behavior of cross-linked polymeric systems such as …

Coupled effects of temperature and compressive strain on aging of silicone rubber foam

W Lou, C **e, X Guan - Polymer Degradation and Stability, 2022 - Elsevier
The coupled effects of temperature and compressive strain on aging behaviors and
mechanisms of silicone rubber foam were investigated by conducting the accelerated aging …

[HTML][HTML] Coupling effects of gamma irradiation and absorbed moisture on silicone foam

PC Wang, N Yang, D Liu, ZM Qin, Y An, HB Chen - Materials & Design, 2020 - Elsevier
The present work involves the investigation of coupling effects of gamma irradiation and
absorbed moisture on silicone foam. Compression stress-strain test, creep test, differential …

Thermal-aging constitutive model for a silicone rubber foam under compression

W Lou, C **e, X Guan - Polymer Degradation and Stability, 2022 - Elsevier
Silicone rubber foam is a key function component in engineered systems. The long-term
effect of temperature and compressive strain can degrade the mechanical properties of the …

Understanding radiation-thermal aging of polydimethylsiloxane rubber through molecular dynamics simulation

W Lou, C **e, X Guan - npj Materials Degradation, 2022 - nature.com
The effect of radiation-thermal aging on the structure and properties of polydimethylsiloxane
(PDMS) rubber at the micro-scale was investigated through molecular dynamics simulation …

Gamma radiation chemistry of polydimethylsiloxane foam in radiation-thermal environments: experiments and simulations

Q Liu, W Huang, B Liu, PC Wang… - ACS Applied Materials & …, 2021 - ACS Publications
The γ radiolysis behavior of polydimethylsiloxane (PDMS) in the radiation-thermal
environments (dose rate, 0.2 Gy/s) is studied to pinpoint the basic knowledge of the …

Improved Dual Network Model for Aging of Rubber Composites under Set Strains

AM Duncan, K Akutagawa, JL Ramier… - …, 2023 - ACS Publications
A new model is presented to predict rubber behavior during chemical aging at fixed strains.
The model is validated using a carbon black-filled nitrile butadiene rubber aged in air at …

Molecular dynamic study of radiation-moisture aging effects on the interface properties of nano-silica/silicone rubber composites

W Lou, C **e, X Guan - npj Materials Degradation, 2023 - nature.com
The influence of radiation-moisture aging on the thermodynamic and interface properties of
nano-silica/silicone rubber (PDMS) composites was investigated using molecular dynamics …

Chemical degradation pathways in siloxane polymers following phenyl excitations

MP Kroonblawd, N Goldman… - The Journal of Physical …, 2018 - ACS Publications
We use ensembles of quantum-based molecular dynamics simulations to predict the
chemical reactions that follow radiation-induced excitations of phenyl groups in a model …

Constitutive modeling of γ-irradiated silicone rubber foams under compression and shear loading

D Jia, S Yan, Y Peng, L Wei, L Wang, Y Gao… - Polymer Degradation …, 2021 - Elsevier
Under the service conditions of nuclear engineering applications, silicone rubber foams
should endure radiation of γ rays accompanied by compression and shear loading. In this …