Characteristics of phosphate coatings deposited on steel
Phosphating

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Characteristics of phosphate coatings deposited on steel


Phosphating

Author : Théophile GUÉGUEN

Publication date: September 10, 2005 | Lire en français

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3. Characteristics of phosphate coatings deposited on steel

The characteristics and essential constituents of the phosphating coatings most commonly applied to steel substrates are given in Table 3 . For information on coating morphology, please refer to [24] .

3.1 Correspondence between weight and layer thickness

This correspondence is given, as a guide, in table 4 for the main phosphating coats.

When the phosphate bath contains iron II in addition to zinc or manganese, the P/E ratio is highly variable, which can be explained by variations in the density of the deposited layers. This density depends not only on...

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