Passivation mechanism and effect of polished steel balls

- May 04, 2019-

The passivation of the polished steel ball, that is, the passivation of the metal, is a process in which the electrochemical behavior of the metal caused by the change in the surface state of the steel ball causes the polished steel ball to have certain characteristics of the precious metal. If the surface of the steel ball interacts with the medium, it becomes chemically passivated or self-passivated. If the passivation of the steel ball is caused by the electrochemical anodic polarization of the metal, it is called anode passivation.

 

In general, the surface of the polished steel ball remains substantially passivated under passivation conditions. Under certain conditions of pH and temperature, it can play a certain role in rust prevention. The passivation mechanism of the polished steel ball is generally caused by the action of the metal on the surface of the steel ball and the medium to produce a protective film of a thin sofa stainless steel ball that is invisible to the naked eye. This film is formed on the surface of the steel ball due to oxidation.

 

The passivation of the polished steel ball does not change the properties of the metal body, but only the stability of the metal surface in the medium changes. The chemical reaction on the surface of the steel ball is not in sensitive contact with the outside world, so that the steel ball has enhanced corrosion resistance in a stable environment.

 

In order to improve the protective properties of the metal, chemical or electrochemical methods are generally used to react with various types of passivation liquid on the metal surface, covering an artificial oxide film, thereby making the metal or a durable corrosion resistance function.www.wxjnsteelball.com