EntityQ1872246· pop 9· linked from 29 articlessyntactic foamSign in to savecomposite materialConnectionscarbonEntityairplaneEntitymetalEntityInternational Standard Book NumberEntityhelicopterEntitymass densityEntityradarEntitycementEntitydigital object identifierEntityInternational Standard Serial NumberEntityceramicEntitypolymerEntitysonarEntityfoamEntityOCLC, Inc.Entity3D printingEntityJSTOROrganizationbuoyancyEntitybibcodeEntitypolyesterEntityCategoriesComposite materialsFoamsMaterials science