Aluminum alloys are utilized much more frequently in industrial applications than genuine or pure light weight aluminum , because within an unalloyed condition the material properties are unsuitable for machining: The machining behavior of genuine aluminum is difficult and lubricious. Furthermore, the materials at 660 ° C has a suprisingly low melting point, not to mention the very high thermal conductivity of the metal and its own also high thermal expansion coefficient. This makes it tough to weld .
It could be that a few of these characteristics are required in particular areas, but the properties and requirements that are in keeping demand can’t be met or met with natural aluminum. The light weight aluminum is therefore blended with certain international metals, which positively alter the physical properties of the light metallic depending on the application. The light weight aluminum is consequently alloyed – it developed in this way different lightweight aluminum alloys .
The classification of lightweight aluminum alloys
An alloy is normally by description a metallic materials consisting of at least two components . Standard alloy constituents of an light weight aluminum alloy admixed with the base material Al99.5 are, for example, beryllium, magnesium, manganese, copper, nickel, silicon, zinc and tin.
Primarily designed by the alloy strength ideals of the material are improved, but also other properties could be influenced depending on the alloy element, so that it, for example, l judges welded can be made. When it comes to increasing the strength, this could be done by work hardening after the alloying elements have already been added.
The curing can also be achieved by heat therapy. Depending on Aluminium Profile Supplier , the material could be divided into naturally hard or curable lightweight aluminum alloys , and also in lightweight aluminum wrought alloys and aluminum casting alloys. The former are prepared by extrusion or rolling, while light weight aluminum casting alloys are made by casting, as the name suggests.
From this it could be deduced what can occur from the particular aluminium alloys. While lightweight aluminum profiles, light weight aluminum tubes or aluminium sheets could be created from wrought alloys using the rolling or extrusion procedure, casting alloys are used to manufacture parts, for instance electric motor housings or the like.