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Polymers under Load and Heating Deformability: Modelling and Predicting
Alexander Korolev1, Maxim Mishnev1, Dmitry Zherebtsov2
1Institute of Architecture and Construction, Department of Building Structures and Constructions, South Ural State University, 454080 Chelyabinsk, Russia.
Polymers
|February 12, 2021
Summary
This study presents a new method for calculating polymer deformability under heat. It accounts for temperature-dependent elasticity in polymer structures, crucial for engineering applications.
Area of Science:
- Materials Science
- Polymer Engineering
- Structural Analysis
Background:
- Polymer deformability under heat is critical for reinforced polymer structures.
- Existing methods struggle to accurately predict temperature-induced stresses and deformations.
- Applications include chimneys and smokestacks requiring precise structural calculations.
Purpose of the Study:
- To develop a novel method for calculating polymer deformability under thermal loads.
- To provide accurate predictions for temperature stresses and deformations in polymer structures.
- To enhance the design and safety of polymer-based infrastructure.
Main Methods:
- Utilizing a structural model of bonded polymer domains.
- Incorporating entropy principles to describe the temperature-dependent decrease in bond elasticity.
- Testing the method on diverse polymers and compounds.
Main Results:
- The proposed method accurately calculates polymer deformability under thermal stress.
- Successfully validated across various polymers and composite materials.
- Demonstrated the impact of mineral additives on increasing the deformation modulus.
Conclusions:
- The developed method offers a reliable approach for predicting polymer behavior under heating.
- Essential for accurate engineering calculations of polymer structures exposed to temperature variations.
- Highlights the role of material composition, like mineral additives, in modifying deformability.
Keywords:
deformabilitylayered modelmineral additivesmodulus of deformationmodulus of elasticitypolymerthermal loadMore Related Videos
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