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]
.
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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Characteristics of phosphate coatings deposited on steel