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Development and Properties of Cellular Metals: Insights into Closed and Open Cell Manufacturing

This study explores the production processes of cellular metals, focusing on both closed and open cell types. Utilizing Aluminum 6061, we discuss melting and foaming parameters, such as a melting temperature of 700°C for closed cells and 670°C for open cells, along with the required additives and stirring techniques. The properties of these cellular metals, including low density, high energy absorption, and soundproofing capabilities, highlight their applications in aerospace and automotive industries. Developed by Professor Heobo-young's team, these materials show promise in enhancing safety during car accidents.

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Development and Properties of Cellular Metals: Insights into Closed and Open Cell Manufacturing

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  1. Material Science Metal Forms (cellular metals) Kim min su Cho hyunsoo Oh eunbin 2009011669 2013011539 2013011527

  2. Imagies (Closed cell type) (Open cell type)

  3. Production proceed Proceed of Closed cell Melting Melt Al 6061 at 700℃ Thickening Temp. 670℃ Ca-10Al, 1.5wt%strring(600rpm), 15min Foaming Temp. 680℃ TiH2 2wt%, strring(1000rpm), 10sec Holding Holding time : 60 s Cooling Air cooling

  4. Production proceed Proceed of open cell Ball Put ting ball in mold Melting Al Temp. 670℃ Ca-10Al, 1.5wt%strring(600rpm), 15min Cooling Air cooling Disolving Disolve the ball by water

  5. Properties

  6. Properties

  7. Application Low density High energy absorption • Soundproof • walls • Application • Aerospace

  8. Development in G.N.U. • In 2002, Professor Heobo-young's team in GNU and the Korea Resources Corporation have developed a device which is made of metal sponge to reduce the impact of crush in car accidents using aluminum cans. • – Dong-A Daily news, 2002.09.01

  9. Thanks for attention

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