This alloy is resistant to dezincification, stress corrosion and intergranular corrosion.
7.7.4 Mitigation of copper pitting and dezincification
The most common example is the selective removal of zinc in brass alloys (dezincification).
The copper-based alloy has the hot forgeability inherent in lead-containing brass and has excellent resistance to dezincification corrosion.
Corrosion of metals and alloys — Determination of dezincification resistance of copper alloys with zinc — Part 2: Assessment criteria
The copper-based alloy has industrially satisfactory machinability and strength, while having excellent forgeability, stress corrosion cracking resistance and dezincification corrosion resistance.
A brass alloy which does not undergo dezincification corrosion, has good mechanical properties and casting performance and also has extremely broad utility can be produced.
However, high alkalinity low chloride water is associated with decreased dezincification (Sarver et al., 2011).
Corrosion of metals and alloys — Determination of dezincification resistance of copper alloys with zinc — Part 2: Assessment criteria
Brasses are particularly vulnerable to dezincification in low alkalinity, high chloride water (Sarver et al., 2011).
The water quality conditions associated with a tendency towards dezincification are not as clearly characterized when compared to the copper pitting phenomenon.
The addition of tin additionally offers the alloy an inherent resistance to dezincification, thereby further inhibiting the impingement by seawater at higher than normal temperatures.
For instance, we sustain the quality of drinking water through the use of dezincification-resistant and corrosion-resistant DR brass as well as plastics with German KTW certification.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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