What's an alloy
An alloy is an assembly with a A majority base metal and other chemical elements. The purpose of this addition is to increase the mechanical characteristics of the assembly. In fact, Pure metals are soft and without technical performance (With the exception of electrical and thermal conduction for copper, for example).
The main families of alloys are iron (cast iron, steel, stainless steel), copper(brass and bronze : A bronze being a brass that has more than 65% copper), aluminium and zinc.
The designation of metals and alloys is standardized by metallurgical symbols which range from the most important to the least present.
Those the alloy A-S9U3 (A-S9-U3) Is an aluminum alloy which is decomposed as follows : Majority Aluminium, « S9 » Silicium 9%, « U3 » U copper symbol 3%.
Other exemple : U-Z39Pb2 (U-Z39-Pb2) Is a cuprous alloy (brass): majority copper, « Z39 » Zinc 39%, « Pb2 » Lead 2%.
The origin of an alloy may be "primary fusion" by adding components to the recipe and "secondary" if recycled metals are used. Thus, some alloys are blessed from the gods. Aluminum, for example, is 100% recyclable, and to infinity. By recycling it, 95% of the energy required for the production of primary aluminum is saved.
Once the metal part has been shaped, some alloys can undergo a heat treatment which further increases the mechanical characteristics.
The heat treatment is "magic".Without molecular addition, by simply heating and dissolving the constituent elements, the storage structure of the atoms is modified to reach an optimum which will be frozen by a rapid cooling which will prevent a return to the initial point.