FIELD: weapons and ammunition.
SUBSTANCE: metal cartridge case has a coating in the form of serially applied inner, intermediate and external layers. The inner layer is arranged as iron-phosphate with thickness of 5-8 mcm, and the intermediate and the external one from a water soluble varnish, with total thickness of 10-25 mcm.
EFFECT: higher corrosion and mechanical strength of cartridge case coating.
2 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| CARTRIDGE CASE AND METHOD FOR APPLICATION OF PROTECTIVE COATING ON ITS SURFACE | 2003 |
|
RU2246684C9 |
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RU2420609C1 |
| APPLICATION OF PHOSPHATE-POLYMER COATING ON CARTRIDGE CASE SURFACE | 2013 |
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RU2556196C2 |
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RU2200769C2 |
