Abstract
Ordered porous aluminum is a new kind of porous metals with great potential due to the ordered structure. However, traditional methods are difficult to fabricate the ordered structure. Considering the regularity of the structure, the indirect rapid prototyping method is proposed to prepare the ordered porous aluminum. In this study, the structure of ordered porous aluminum with cubic pores was designed. The infiltration casting process of the indirect rapid prototyping method was simulated by the software ProCAST. The infiltration method, infiltration temperature and preheated temperature were optimized by the numerical simulation investigation. The specimens of the ordered porous aluminum with different structure parameters were prepared successfully by utilizing the optimal process parameters. The actual temperature-time curve was recorded in the experiment of infiltration casting and compared with the curve obtained by simulation. It proved that the simulated results in this study were reliable. The structure characterizations and quasi-static compression tests were also carried out in this study. The compression curves of the ordered porous aluminum with cubic pores showed the typical feature of porous metals. The compressive properties and density of the ordered porous aluminum with cubic pores met the linear relationship.
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