ciao, e se invece di alluminio fosse di elektron?????
From Wikipedia, the free encyclopedia
Not to be confused with electrum, a naturally occurring alloy of gold and silver.
Elektron was a magnesium alloy developed in Germany during the First World War between 1914-18 as a substitute for aluminium alloy. Elektron is unusually light and has a specific gravity of about 1.8 compared with the 2.8 of aluminium alloy. Elektron was used to make incendiary bombs: the B-1E Elektronbrandbombe. Once ignited, it could not be extinguished and burned at such a high temperature that it could penetrate armour plate. Because it was so light, a large aeroplane like the Zeppelin-Staaken R-type bomber could carry hundreds of bombs.
Elektron is the registered trademark of Magnesium Elektron Limited for a range of magnesium alloys. The alloys include varying amounts of zirconium, silver, zinc, aluminium, or rare earth metals. Different variants of the alloy exhibit properties such as increased tensile strength, creep resistance, thermal stability or corrosion resistance. The alloy variants are sometimes used in auto racing and aerospace engineering applications due to magnesium's relatively low density.
Ciao a tutti.....