Instanz: TeilenTeilen:Lightweight Construction for Cargo Vessels: Never More Valuable Than TodayAndreas Hemmerle Presse und MedienFraunhofer IWU11.08.2026 09:18Low water levels on the Rhine, Danube, and Elbe are placing substantial pressure on inland shipping. For example, ship sidewalls and decks built using sandwich construction could achieve substantial weight savings. Sandwich Construction with a Lightweight Aluminum Foam CoreIn this type of sandwich construction, aluminum foam is placed between two thin steel or aluminum face sheets. Aluminum foam is an ultra-light metallic structural material with a density well below 1 g/cm³. Typical sandwich construction using aluminum or steel ...