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- W3043923311 endingPage "113732" @default.
- W3043923311 startingPage "113732" @default.
- W3043923311 abstract "Among many lightweight materials used in marine applications, sandwich structures with syntactic foam core are promising because of lower water uptake in foam core amid face-sheets damage. HDPE (high-density polyethylene) filament is used to 3D print sandwich skin, and glass microballoon (GMB) reinforced HDPE syntactic foam filaments are used for the core. The optimized parameters are used to prepare blends of 20, 40, and 60 volume % of GMB in HDPE. These foamed blends are extruded in filament form to be subsequently used in commercially available fused filament fabrication (FFF) based 3D printers. The defect-free syntactic foam core sandwich composites are 3D printed concurrently for characterizing their flexural behavior. The printed HDPE, foam cores, and sandwiches are tested under three-point bending mode. The addition of GMB increases both specific modulus and strength in sandwich composites and is highest for the sandwich having a core with 60 volume % of GMB. The flexural strength, fracture strength, and strain of foam core sandwiches registered superior response than their respective cores. The experimental results are found in good agreement compared with theoretical predictions. Finally, the failure mode of the printed sandwich is also discussed." @default.
- W3043923311 created "2020-07-29" @default.
- W3043923311 creator A5011842558 @default.
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- W3043923311 creator A5033006324 @default.
- W3043923311 creator A5054982817 @default.
- W3043923311 creator A5061712138 @default.
- W3043923311 date "2021-05-01" @default.
- W3043923311 modified "2023-10-15" @default.
- W3043923311 title "Flexural response of 3D printed sandwich composite" @default.
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- W3043923311 doi "https://doi.org/10.1016/j.compstruct.2021.113732" @default.
- W3043923311 hasPublicationYear "2021" @default.
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