Alloy is a mixture of two, not one, or more chemicals. Logically speaking, each chemical on its own will have different properties and purposes. But the combination of these into, say, an alodine 5200 formula could be quite formidable. This formidability would be best informed by its ability to be effective in terms of the surface to which it is being applied. And in the case of alodine alloys, the targeted surface area is mostly metal, or already existing metal alloys.
But to be warned, the alloy can also be a case of an inferior metal being involved. Fortunately, however, and perhaps to qualify as an alloy in the first place, it is mixed with a superior or precious metal. Precious metals do, of course, have its enduring properties, each to its own as different the case metal may be. It is well-known and much sought after that precious metals have its decorative properties.
In many cases, precious metals are being applied to the jewelry people wear. But the definition of ‘precious’ in the case of metal could be widely misunderstood. Precious can also be understood to mean that the metal is rare. It is hard to find. It can also mean that, even if found in abundance, it still has some unique properties that can never be located or utilized in any other kinds of metals. Metals can be under-appreciated too.
It is taken for granted that they are formidable materials, not easy to break down. But many metals remain vulnerable in many areas. And that is wear alloys and the above-given formula example comes into play. What it does is this. It is providing the metal surface with its necessary protection against any exterior infringements within its vicinity.