Knowledge

19Dec, 2024

Corrosion of Zinc Layer in Seawater
The salinity of seawater typically ranges from 1% to 25%, with 3.5% commonly used for calculations. Seawater contains substantial amounts of oxygen, nitrogen, carbon dioxide, and o
19Dec, 2024

Corrosion of Zinc Coatings in Distilled Water
Due to the lack of salts capable of forming protective films in distilled water, its corrosion effect on zinc coatings is significant, second only to rainwater, slightly higher tha
19Dec, 2024

Corrosion of Zinc Coatings in Hot Water
Galvanized steel pipes are used not only for tap water but also for transporting warm water, boiling water, steam, and other media, which exhibit different corrosion effects on zin
19Dec, 2024

Corrosion of Zinc Coatings in Cold Tap Water
Galvanized steel pipes for water gas (new national standard GB3091-82, also known as galvanized welded steel pipes for low-pressure fluid transportation) are mostly used as tap wat
19Dec, 2024

The reason for the accelerated corrosion of zinc coatings in sulfur-containin...
In industrial cities with high emissions, the air contains a large amount of sulfur dioxide and solid particles (including 30% water-insoluble residue, 33% burned-out fuel residue,
18Dec, 2024

Corrosion of Zinc Coatings Indoors
The corrosion of zinc coatings indoors is much less severe than outdoors due to the absence of rainwater erosion, generally reduced by about four-fifths. The primary cause of indoo
18Dec, 2024

Corrosion of Zinc Coatings in Outdoor Environments
The corrosion of zinc coatings outdoors primarily depends on factors such as the nature of the air, humidity, and rainfall. Therefore, outdoor air can be classified into the follow
18Dec, 2024

Corrosion Behavior of Zinc Coatings in Non-Acidic/Alkaline and Acidic/Alkalin...
The corrosion behavior of zinc coatings differs significantly between non-acidic/alkaline and acidic/alkaline atmospheres. Generally speaking, in the absence of acidic or alkaline
18Dec, 2024

Methods for Preventing and Removing White Rust on Galvanized Coatings
When a layer of condensed water adhering to the surface of a galvanized coating reacts with oxygen, carbon dioxide, hydrogen sulfide, sulfur dioxide, chemical compounds, soot parti
18Dec, 2024

Introduction to Electrochemical Corrosion
The corrosion that occurs when a metal reacts electrochemically with an electrolyte is called electrochemical corrosion. During the process of electrochemical corrosion, a current
17Dec, 2024

Introduction to Chemical Corrosion
Corrosion that occurs due to a direct chemical reaction between a metal and its surrounding medium is called chemical corrosion. For example, the formation of rust on iron after it
17Dec, 2024

Introduction to Metal Corrosion
The destruction of metals due to chemical or electrochemical interactions with surrounding media is known as metal corrosion. Rusting is one of the most common forms of metal corro

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