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Description of the Resin Curing Process-Formulation and Optimization
Aleksander Muc1, Paweł Romanowicz2, Małgorzata Chwał3
1Institute of Machine Design, Cracow University of Technology, ul. Warszawska 24, 31-155 Kraków, Poland. olekmuc@mech.pk.edu.pl.
Polymers
|April 10, 2019
Summary
This study details resin flow and curing in fiber composites, analyzing residual stresses from thermal and chemical shrinkage. Optimization methods are presented for manufacturing composite structures with reduced stress.
Area of Science:
- Materials Science
- Polymer Chemistry
- Mechanical Engineering
Background:
- Composite manufacturing involves complex resin flow and curing behaviors.
- Residual stresses in composites significantly impact structural integrity and performance.
- Understanding resin shrinkage mechanisms is crucial for predicting and mitigating these stresses.
Purpose of the Study:
- To establish fundamental relationships governing viscous polymer resin flow and curing in fiber reinforcement.
- To analyze the influence of resin curing on residual stresses in composite structures, considering thermal and chemical shrinkage.
- To formulate and demonstrate 2-D optimization problems related to composite manufacturing and residual stress reduction.
Main Methods:
- Development of basic relations for resin flow and curing phenomena.
- Analysis of thermal and chemical shrinkage components of resins.
- Formulation and demonstration of 2-D optimization tasks for composite structures.
- Solving various optimization problems to assess the impact on residual stresses and curing.
Main Results:
- Characterization of viscous polymer resin flow through fiber reinforcement.
- Quantification of residual stresses influenced by thermal and chemical shrinkage during resin curing.
- Demonstration of 2-D optimization problem formulation and solution for composite manufacturing.
- Insights into the relationship between resin properties, curing, and residual stress development.
Conclusions:
- The study provides a framework for understanding and optimizing resin curing processes in composite manufacturing.
- Accurate modeling of resin shrinkage is essential for controlling residual stresses in fiber-reinforced composites.
- Optimization techniques can be applied to minimize residual stresses and enhance composite structural performance.
Keywords:
design variablesfundamental relations of resin flow and hardeningoptimizationresidual stressesthermosetting resin curing processMore Related Videos
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