Abstract
A brief review is given of the copper-based casting alloys, suitable for the manufacture of ship’s propellers. Some specific properties of these alloys are illustrated.
The moulding, melting and casting techniques employed in the production of high-quality propellers must satisfy stringent requirements and a well-considered practical application of a thorough theoretical knowledge of the solidification process is necessary.
Attention is called to the cavitation-erosion-corrosion resistance of the copper-based propeller alloys.
Some basic factors relating to the Smith diagram are put forward.
Finally, some important indications are given concerning propeller repair.
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