Corrosion, rust, build up, nasty mess, but he most common is "corrosion", then "rust".
Pitting is the most common type of corrosion found on aluminum and magnesium alloys.
This is called a corrosion test, frequently used in quality control of materials.
them most common resistant is plastic!!
i don't think there is another name for "corrosion", i mean there are different ways to define "corrosion". you can call it oxydation but is not the exact definition since is just a part of the process "corrosion". http://www.corrosionist.com/Corrosion_Fundamental.htm
Rust is the common name of the corrosion products of Iron. These are the results of the reaction of iron with water and oxygen. Rust is also the term used only for iron oxides (Iron which reacts with oxygen). For corrosion of gold, see related link below. == ==
Metal Corrosion or Metallic Corrosion can be defined as the destructive attack of a metal through interaction with its environment.The most common example is Rust, an iron oxide Fe2O3, that is the consequence of the Corrosion process of Iron.
Corrosion/rust.
Corrosion on trigger wire at starter
Rusting
An oxide
a common cause of this type problem is corrosion at a connector.
The most common problem I encounter is copper pipe corrosion. A close second is worn seats in taps.