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|Type:||Artigo de periódico|
|Title:||Dynamic Mechanical Behavior And Relaxations In Polymers And Polymeric Blends [comportamento Dinâmico-mecânico E Relaxações Em Polímeros E Blendas Poliméricas]|
|Abstract:||Dynamic mechanical analysis (DMA) is widely used in materials characterization. In this work, we briefly introduce the main concepts related to this technique such as, linear and non-linear viscoelasticity, relaxation time, response of material when it is submitted to a sinusoidal or other periodic stress. Moreover, the main applications of this technique in polymers and polymer blends are also presented. The discussion includes: phase behavior, crystallization; spectrum of relaxation as a function of frequency or temperature; correlation between the material damping and its acoustic and mechanical properties.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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