A survey is made of the several forms of boiler corrosion and deterioration encountered in marine practice. Problems of design, operation and maintenance at sea are discussed in relation to metallurgical and electro-chemical phenomena involved. As regards water-side corrosion, pitting is more frequently encountered; general wastage, corrosion fatigue, strain age embrittlement, and caustic embrittlement are in decreasing order of importance. Other forms of deterioration include high-temperature oxidation, bursts, high-temperature creep, and corrosion on the fire side. Several forms of each of the phenomena are illustrated and basic principles involved are discussed.
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