Abstract:In numerous industrial applications, the microstructure of materials is critical for performance. However, finite element models tend to average out the microstructure. Hence, finite element simulations are often unsuitable for optimisation of the microstructure. The present paper presents a modelling technique that addresses this limitation for superabsorbent polymers with a partially cross-linked surface layer. These are widely used in the industry for a variety of functions. Different designs of the cross-l… Show more
“…Apart from the temperature and load frequency, some other parameters may also influence the rate of crack growth [102][103][104][105][106]. As discussed above, Fang, Wang and Li researched the effect of overloading condition to FCG rate [29].…”
Section: Other Factors Affecting Crack Propagationmentioning
“…Apart from the temperature and load frequency, some other parameters may also influence the rate of crack growth [102][103][104][105][106]. As discussed above, Fang, Wang and Li researched the effect of overloading condition to FCG rate [29].…”
Section: Other Factors Affecting Crack Propagationmentioning
“…In extreme cases, the polymer fractures when the osmotic pressure is excessive. Silicone rubber drug delivery devices use this phenomenon, thus resulting in the release of the drug [31].…”
Section: Water Absorption and Desorptionmentioning
“…The Special Issue opens with work from Eindhoven University of Technology in a joint study with Bernal Institute, University of Limerick, Ireland, in which the researchers developed a finite element method (FEM) for representing the microstructural behaviour, particularly the swelling of hydrogel beads [ 1 ]. As the design of the cross-linked layers influence the material properties, which, in turn, affect the performance of the hydrogels widely used in pharmaceutical and industrial applications, such as drug delivery or disposable diapers, the authors presented a modelling technique that addressed this limitation for superabsorbent polymers with a partially cross-linked surface layer.…”
Functional polymers show unique physical and chemical properties, which can manifest as dynamic responses to external stimuli such as radiation, temperature, chemical reaction, external force, and magnetic and electric fields [...]
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