OS0618 ゲル相ネットワーク構造を呈するシリカ充填ゴムの粘弾性挙動のモデル化とシミュレーション(先進複合材料の強度・特性評価,オーガナイズドセッション)

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  • OS0618 Modeling and Simulation of Viscoelastic Defomation Behavior of Silica-Filled Rubber with Network like Structure in Gel Phase

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Recent experimental observations have demonstrated that silica-filled rubber has network like gel-structure between silica particles in rubber matrix. This study examined the effect of the inter-particle networks on the viscoelastic deformation behavior of silica-fliled rubber based on molecular chain network theory and homogenization method. The series of simulation clarified that the increase of stress in the later stage of stretch observed in the experimental results was successfully reproduced by the new model. This suggested that the role of inter particle network like structure formed by adding bonding agent to control the surface of silica particles plays an additional role in controlling the mechanical characteristics of silica filled rubber.

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