October 1, 2017

Formulation

The Formulation of anodizing bath is use the mixing of several chemicals like aluminum chloride and Lithium aluminum hydride. The Solvent in the hydrid bath is di-ethyl ether. The other ingredients are anhydrous chloride and lithium aluminum hydrid.

AlCl3 400 g/l 3 M
LiAlH4 15 g/l 0.4 M

The formulation of anodizing process should be added with additive. Additives have been used to reduce grain size and treeing, particularly in thicker deposit, but more often a periodic reverse cycle is used instead.
 
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