Design and Optimization of Gradient Foam Core Sandwich Structures With Superior Microwave Absorption Performance
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DOI: 10.1002/pc.70003
Abstract: With the increasing demand for omnidirectional wideband radar stealth performance in fifth‐generation fighter jets, foam sandwich structures used in aerospace must possess excellent microwave absorption (MA) capabilities. In this study, 20 types of rigid closed‐cell… read more here.
Keywords: microwave absorption; performance; absorption; sandwich structures ... See more keywords
An analytical modeling for indentation response of sandwich panels with gradient foam cores
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DOI: 10.1007/s00707-017-1951-z
Abstract: An improved formula considering the change in densification strain is derived to predict the quasi-static crushing stress of gradient foam material. Besides, a two-displacement field is proposed to describe the deformation of negative gradient foam… read more here.
Keywords: foam; response sandwich; indentation response; gradient foam ... See more keywords