Brazed aluminum heat exchangers in LNG plants are susceptible to corrosion through several mechanisms, primarily related to the presence of contaminants in the process streams or the environment. One major type of corrosion is pitting corrosion, which occurs when chlorides or other aggressive ions attack the aluminum alloy, creating small, localized pits on the surface. These pits can eventually lead to leaks or structural failures. Another form of corrosion is galvanic corrosion, which occurs when dissimilar metals are....
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