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Processing and modeling of cellular solids for light-weight structures [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 1997.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
11 pages : digital, PDF file
Additional Creators
Lawrence Livermore National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
Cellular solids (also known as porous solids) comprise a special class of materials. Such materials are common in nature; wood, cork, sponge and coral are examples. Recently man has also made his own cellular solids. For example, many honeycomb-like materials, made up of parallel, prismatic cells, are used for lightweight aerospace structural components. Polymeric foams have been used in everything from disposable coffee cups, packaging materials, to the crash padding of an aircraft cockpit. Advanced techniques now exist for foaming not only polymers, but metals and ceramics as well. These newer foams are increasingly used for catalysts (chemical), preforms for metal-matrix composites, thermal insulators and thermal shock resistant materials (thermal), acoustic dampers (acoustic), cushions, vibration reducers, and systems for absorbing the kinetic energy from impacts (mechanical). Their uses exploit the special combination of properties offered by cellular solids, properties which, ultimately, derive from their cellular structure. The objective of this proposed research is to develop processing techniques to produce metallic foams with controlled cellular structures and to understand and model the mechanical behavior of this special class of materials.
Report Numbers
E 1.99:ucrl-id--129666
ucrl-id--129666
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
12/01/1997.
"ucrl-id--129666"
"DE98052198"
"KC0201050"
Nieh, T.G.
Funding Information
W-7405-ENG-48
LDRD
View MARC record | catkey: 14450500