A dynamic constitutive model for high-density rigid polyurethane foam subjected to impact loading

Yanbo Wen,Zhichao Lai,Jiajia Ma,Huan Liu, Yin Wang,Hui Chi,Ruiyuan Huang

Construction and Building Materials（2023）

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摘要

•Dynamic constitutive model with confining pressure and strain rate effects.•Dynamic constitutive model for high-density (640 kg/m3) rigid polyurethane foam (RPUF).•The confining pressure significantly decreased the yield point and the elastic modulus.•The asymmetric tensile/compressive property of high-density RPUF.

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关键词

Mechanical properties,Numerical simulation,Constitutive model,Rigid polyurethane foam,Impact loading

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