High Strain Rate Compressive Behavior of Polyurethane Resin and Polyurethane/Al2O3 Hollow Sphere Syntactic Foams
作者： Dung D. Luong , Vasanth Chakravarthy Shunmugasamy , Oliver M. Strbik III , Nikhil Gupta
DOI: 10.1155/2014/795984
关键词: Composite material 、 Polyurethane 、 Strain rate 、 High strain rate 、 Syntactic foam 、 High strain 、 Quasistatic process 、 Materials science 、 Compressive strength 、 Strain (chemistry)
摘要: Polyurethane resins and foams are finding extensive applications. Seat cushions covers in automobiles examples of these materials. In the present work, hollow alumina particles used as fillers polyurethane resin to develop closed-cell syntactic foams. The fabricated tested for compressive properties at quasistatic high strain rates. Strain rate sensitivity is an important concern automotive applications due possibility crash speeds. Both foam show strength. It observed that strength increases with rate. energy absorbed up 10% regime 400% higher comparison neat same
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