Metal foam
-
Upload
mechanical-online -
Category
Education
-
view
585 -
download
9
description
Transcript of Metal foam
![Page 1: Metal foam](https://reader033.fdocuments.net/reader033/viewer/2022061121/546ef34eaf795958298b5a31/html5/thumbnails/1.jpg)
Metal Foam
![Page 2: Metal foam](https://reader033.fdocuments.net/reader033/viewer/2022061121/546ef34eaf795958298b5a31/html5/thumbnails/2.jpg)
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 and
manufacturing Open-cell & close-cell metal foams Manufacturers: ERG Aerospace, Metal Foam Korea, M-
Pore, Porvair, Metafoam Cymat Corporation, Alcoa
![Page 3: Metal foam](https://reader033.fdocuments.net/reader033/viewer/2022061121/546ef34eaf795958298b5a31/html5/thumbnails/3.jpg)
An open-cell aluminum foam An open-cell brass foam water treatment disk
A large-cell closed-cell aluminum foam A small-cell closed-cell aluminum foam
![Page 4: Metal foam](https://reader033.fdocuments.net/reader033/viewer/2022061121/546ef34eaf795958298b5a31/html5/thumbnails/4.jpg)
Application Light-weight structures Biochemical implants Filters (high-temperature filters in Chem. Ind.) Heat exchanger Mechanical damping devices Sound/energy absorber Electrodes Sensors
![Page 5: Metal foam](https://reader033.fdocuments.net/reader033/viewer/2022061121/546ef34eaf795958298b5a31/html5/thumbnails/5.jpg)