Metal foam

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Metal foam

  1. 1. Metal Foam
  2. 2. Characteristics Made from Al, Fe, Cu, Ag, Ti, Alloy Gas-filled pores Very high porosity (75-95% void spaces) Light and stiff (Strength power law density) Similar coefficient of thermal expansion Reduced conductivity High cost, advanced technology aerospace andmanufacturing Open-cell & close-cell metal foams Manufacturers: ERG Aerospace, Metal Foam Korea, M-Pore, Porvair, Metafoam Cymat Corporation, Alcoa
  3. 3. An open-cell aluminum foam An open-cell brass foam water treatment diskA large-cell closed-cell aluminum foam A small-cell closed-cell aluminum foam
  4. 4. Application Light-weight structures Biochemical implants Filters (high-temperature filters in Chem. Ind.) Heat exchanger Mechanical damping devices Sound/energy absorber Electrodes Sensors

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