| abstract |
1.- A piece emptied of an aluminum alloy, which has improved mechanical properties at high temperatures, the piece emptied has the following composition in weight percent: Silicon 6.0-2.5 Copper 5.0-8.0 Iron 0.05-1.2 Magnesium 0.5- 1.5 Nickel 0.05-0.9 Manganese 0.05-1.2 Titanium 0.05-1.2 Zirconium 0.05-1.2 Vanadium 0.05-1.2 Zinc 0.05-0.9 Strontium 0.001-0.1 Phosphorus 0.001-0.1 Aluminum The rest in which the silicon-to-magnesium ratio (Si / Mg) is 10-25, and the copper-to-magnesium ratio (Cu / Mg) is 4-15.2.- A piece emptied as in demand 1, which composes a solid aluminum solution matrix that has a simultaneous dispersion of three types of particles of compound Al3X (X = Ti, V, Zr) that have a crystal structure of LI2 and grid parameters which are congruent to the aluminum grid matrix. |