Master Thesis KTH 2015, Christopher Muturi. Characterization of viscoelastic pro…
Polymer materials are used in a variety of applications and environments.
The production and use of polymer materials require control of processing,
material properties and durability.
Polymira offer technical solutions including;
- Feasibility studies
- Status control
- Material analysis
- Process design
- Flow behaviour
- Project management
- Simulation of deformation under load
Experimental Report by James Grundy 2013. Epoxy Resins Cure Shrinkage - Monitoring and Control Under…
Simulation and Modelling
We are using COMSOL Multi physics to study common problems in polymer technology.
- Structural mechanics
- Heat transfer
- CFD flow behavior
Simulation refers to prediction of a behavior of a system or process by use of a model. Simulations require a model and the process of producing a model is termed modeling. A model should adequately describe the system it represents in terms of mathematical equations based on physical principles. Simulations does in generally require numerical solutions of PDE of various complexity. For this reason simulation are usually performed using advanced FEM software. Software’s that can handle different types of physics simultaneous, e.g. structural mechanics and heat transfer is termed multi physics software.
Thermal analysis has become a major tool in polymer characterisation. Physical and chemical properties are easely achieved using only small amount of sample. The most useful techniques includes;
- DSC: melting behaviour, crystallinity, glass transition temperature, oxidative stability, curing kinetics
- TGA: humidity content, composition, additives
- DMA: glass transition, temperature dependency of modulus
- Heat Flow Calorimetry: curing kinetics, oxidative stability, cement setting, compatibility, composition, gas permeability