Resin Molding and Rheology: 'Expression of Relaxation Modulus and Time-Temperature Superposition Principle'
Explanation using a diagram! Stress relaxation occurs because the material has the characteristics of a relaxed elastic modulus.
This column explains the 6th installment of resin molding and rheology, titled "Representation of Relaxation Modulus and Time-Temperature Superposition Principle." Plastic materials exhibit the characteristics of relaxation modulus, but the two-element Maxwell model, which uses only a set of springs and a dashpot, has only two fitting coefficients, G and λ, making it difficult to accurately represent the properties of real materials. By effectively combining the coefficients of each element, it is possible to create the desired relaxation modulus curve, thereby expressing properties that are closer to those of actual materials. [Contents] ■ What is Relaxation Modulus ■ Generalized Maxwell Model ■ Zener Model ■ Time-Temperature Superposition Principle *For more details about the column, please refer to the related links. If you have any questions, feel free to contact us.
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