1. Fabrication of Porous Copper by Cold Extrusion and Leaching
- Author
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Jouji Miyamoto, Hiroshi Utsunomiya, Tetsuo Sakai, and Hiroaki Koh
- Subjects
Materials science ,Fabrication ,Metallurgy ,Composite number ,Metals and Alloys ,chemistry.chemical_element ,Condensed Matter Physics ,Copper ,Physics::Geophysics ,Computer Science::Other ,Condensed Matter::Materials Science ,Compressive strength ,chemistry ,Mechanics of Materials ,Aluminium ,Materials Chemistry ,Extrusion ,Leaching (metallurgy) ,Porosity - Abstract
Conventional porous metals show relatively low strength due to softening in high-temperature treatments such as casting or bubbling. In the current study, the authors propose an alternative method to fabricate high-strength porous metals using cold working. A copper pipe filled with Cu and Al wires was deformed by cold extrusion to solid-phase bonding. From the Cu/Al composite, only aluminum is removed chemically by NaOH solution leaching to produce porous copper with one-dimensional pores. The porous copper fabricated shows outstanding compressive yield strength than conventional porous copper.
- Published
- 2007
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