Abstract
In this study the parameters affecting the foaming process of pure commercial aluminum for preparing of light products are investigated. Titanium hydride (TiH2) powder as a foaming agent (0/5 to 2/5 wt%) added to the aluminum melt. The temperature range of 620 to 660°C was selected. The proper holding temperature and foaming agent content lead to production of foamed aluminum with high porosity percentage and cell structure uniformity. Results show that by adding 1 wt% of TiH2 at foaming temperature of 640°C, cells with 2–6 millimeter in diameter and uniform distribution with 86% porosity are achieved.
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