Abstract

Open-cell porous aluminum (Al) was fabricated by friction powder sintering (FPS) process without using external heat sources. In this process, powder mixture of Al powder and sodium chloride (NaCl) powder as spacer particle was used as starting material. The compacting and sintering of the mixture were conducted only by rotating tool plunged into a die and mixture. NaCl was removed by placing the sintered mixture in water. In this study, porous Al was fabricated using ADC6 powder, and pore structures of obtained porous Al were nondestructively observed by X-ray CT. In addition, compression properties of obtained porous Al were investigated.

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