Titanium is proposed as a viable and improved alternative material to Cu-Ni in seawater piping systems and heat exchangers on surface ships and offshore platforms. Titanium alloys possess a unique combination of mechanical, physical, and corrosion properties that make them ideal candidates for these failure-prone Cu-Ni seawater systems. When all of these properties are capitalized on, piping and heat exchangers can be designed to very thin wall sections and reduced sizes, resulting in more efficient and cost-effective material utilization, significant reductions in system weight, and increased available space. System performance reliability is coincidently increased by virtue of titanium's immunity to seawater attack. However, successful application of titanium in seawater systems also mandates that certain design, operating, and fabrication guidelines be observed. These include attention to minimum flow velocities to control biofouling effects, strategies for mitigating galvanic action at titanium-copper alloy interfaces, and procedures for field welding titanium. Recommended guidelines and examples of successful applications are reviewed.
Titanium: An improved material for shipboard and offshore platform seawater systems
Titan: Ein verbesserter Werkstoff fuer Seewassersysteme auf Schiffen und Offshoreplattformen
1988
6 Seiten, 5 Bilder, 5 Tabellen, 13 Quellen
Aufsatz (Konferenz)
Englisch
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