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Development of Copper Alloys for Seawater Service from Traditional Application to State-Of-The Art Engineering

This paper describes the range of copper alloys in marine service today and the evolution of applications which include ships' cannon and hull sheathing in 18th and 19th century and condenser and seawater piping requirements which spurred concentrated investigations in the 20th century.

 

Product Number: 51317--9382-SG
ISBN: 9382 2017 CP
Author: James Michel
Publication Date: 2017
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$20.00
$20.00

Since antiquity both wrought and cast forms of copper alloys have exhibited significant corrosion resistance in marine environments. Their properties have been developed and modified over the years to meet today’s exacting engineering challenges and continue to offer solutions to a range of industries requiring reliability in sea water including commercial and Naval shipbuilding offshore seawater-handling and firewater systems and thermal desalination plants. This paper will describe the range of copper alloys used from ships' cannon and hull sheathing in 18 and 19th century to condenser and sea water piping requirements which spurred concentrated investigations in the 20th century. These led to the development and introduction of copper-nickels and nickel aluminium bronzes (NABs) which are widely used today and are currently the most commonly used engineering copper alloys. The direction of future developments will also be discussed.Technically the paper will cover the influence of refined composition heat treatment and manufacturing practices which have optimised the properties of copper-nickels and NABs in terms of localised corrosion and erosion-corrosion resistance. It will also cover what has been learned and provide guidelines about the importance of correct commissioning and shut down procedures to ensure that the capabilities of copper alloys are achieved.Key Words: Copper Alloys Sea water Localised corrosion erosion pollutants.

Key words: copper alloys, seawater, localized corrosion, erosion, pollutants, biofouling

Since antiquity both wrought and cast forms of copper alloys have exhibited significant corrosion resistance in marine environments. Their properties have been developed and modified over the years to meet today’s exacting engineering challenges and continue to offer solutions to a range of industries requiring reliability in sea water including commercial and Naval shipbuilding offshore seawater-handling and firewater systems and thermal desalination plants. This paper will describe the range of copper alloys used from ships' cannon and hull sheathing in 18 and 19th century to condenser and sea water piping requirements which spurred concentrated investigations in the 20th century. These led to the development and introduction of copper-nickels and nickel aluminium bronzes (NABs) which are widely used today and are currently the most commonly used engineering copper alloys. The direction of future developments will also be discussed.Technically the paper will cover the influence of refined composition heat treatment and manufacturing practices which have optimised the properties of copper-nickels and NABs in terms of localised corrosion and erosion-corrosion resistance. It will also cover what has been learned and provide guidelines about the importance of correct commissioning and shut down procedures to ensure that the capabilities of copper alloys are achieved.Key Words: Copper Alloys Sea water Localised corrosion erosion pollutants.

Key words: copper alloys, seawater, localized corrosion, erosion, pollutants, biofouling

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