Question

Give One example for anodising process

Answer 1

Anodizing Aluminum

While anodizing aluminum allows the metal to keep its natural appearance, the pores in the protective oxide layer also help to provide a better surface for the adhesion of paints and glues.

While various metals, including titanium, hafnium, zinc, and magnesium, can be protected by applying an anodized layer, by far the process is most commonly applied to aluminum and aluminum alloys.

Different types of anodizing methods are generally characterized by the type of electrolytic solution used. Chromic acid (referred to as Type I) was used in the first commercial anodizing facilities in the 1920s. Today, however, the most common electrolytic solutions for anodizing are produced using sulfuric acid (referred to as Type II or Type III depending on the exact process used).

Answer 2

Explanation:

protective and prevent the metal from for the oxidation this layer can be made more thick by anodizing the process clean aluminium article is taken as anode and H2 s o4 as an electrolyte when electric current is passed O2 gas get liberated which react with metal aluminium to form a thick layer of oxide on its surface