Abstract
This paper will provide an overview of the available types of lightweight cellular metals, their production methods, and their performance for various structural applications. Lightweight cellular metals are low-density materials with multifunctional attributes that make them appealing for numerous uses, including thermal and acoustic insulation, energy absorption (crash protection), lightweight structural sandwich panels (as the core material), and vibration damping devices. Cellular metals are especially efficient for structural applications as they provide a high stiffness-to-weight ratio when loaded in bending. Additionally, their damping capacity is up to a factor of ten larger than that of solid metals. Cellular metals are made by a range of novel processing techniques and are available as stochastic foams (closed- and open-cell), hollow-sphere foams, periodic and optimized truss structures, and honeycombs.
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Sanders, W.S. (2004). Lightweight Cellular Metals with High Structural Efficiency. In: Senkov, O.N., Miracle, D.B., Firstov, S.A. (eds) Metallic Materials with High Structural Efficiency. NATO Science Series II: Mathematics, Physics and Chemistry, vol 146. Springer, Dordrecht. https://doi.org/10.1007/1-4020-2112-7_42
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DOI: https://doi.org/10.1007/1-4020-2112-7_42
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