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Open cell aluminum foams were made by powder sintering process. A space-holder method used carbamide to produce samples with porosities between 50% and 80%. The results showed that spherical-shaped pores were obtained depending on the shape and size distribution of the space-holder and the compressive strength was in agreement with the theoretical relationship for the normalized yield strength.
Open cell aluminum foams with tailored porous morphology were synthesized by a space-holder method. Carbamide particles with different shapes were used as a space-holder to produce samples. Depending on the shape distribution of the carbamide particles, the morphology of the pores in the foams can be easily controlled. The foam samples with spherical-shaped pores showed higher compressive strength...
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