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Makai Expands Marine Corrosion Lab
Makai Ocean Engineering is providing expanded corrosion services at its Marine Corrosion Laboratory (MCL) in Kailua-Kona, Hawaii. The MCL is located at the Natural Energy Laboratory of Hawaii Authority (NELHA), reportedly making it the only location in the U.S. where large flows of shallow and deep seawater from depths up to 3,000 ft. are continuously available. The MCL is staffed with corrosion engineers and state-of-the-art equipment for a wide range of research, development, testing and evaluation (RDT&E) services in the field of marine corrosion. Capabilities at the lab include both basic corrosion science research and applied engineering solutions for the prevention of marine corrosion, and are complemented by a strong relationship with researchers at the University of Hawaii’s Hawaii Corrosion Laboratory.
The original focus of the MCL was developing marine heat exchangers. Under a contract with the Hawaii Natural Energy Institute, sponsored by the Office of Naval Research, corrosion engineers at the lab were tasked with identifying novel alloys and manufacturing methods for heat exchangers that would be corrosion-resistant, low-cost, compact and highly efficient. Samples of both ferrous and nonferrous alloys made with various joining and manufacturing methods (brazed joints and friction-stir welded joints) as well as various surface conditions (rolled, machined and extruded), have been tested at the MCL since 2009. In addition, several corrosion prevention pretreatments, coatings and techniques have been developed specifically for marine heat exchangers that are exposed to shallow or deep seawater.
The lab is now working with commercial and defense clients on testing the effectiveness of coatings that are intended for diesel storage tanks, marine pipelines and ship hulls. The MCL features an automated corrosion monitoring system that collects electrochemical, ultrasonic and laser profilometry data, as well as high resolution time-lapse photos, of in-situ samples. These data are available to clients in near-real-time via the internet. Combined with image recognition software, the facility provides real-time knowledge of sample variance and automatic detection when samples are starting to corrode, as well as a detailed time history of the corrosion process. Makai also provides destructive testing and materials characterization, and outsources standard services for metallographic imaging, scanning electron microscopy and X-ray tomography to provide clients with a convenient full service and cost effective research program.
www.makai.com
(As published in the September 2015 edition of Marine Technology Reporter - http://www.marinetechnologynews.com/Magazine)
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Other stories from September 2015 issue
Content
- 20 Teams Vie for Wave Energy Prize page: 12
- Makai Expands Marine Corrosion Lab page: 14
- The Lowdown on Ocean Acidification page: 16
- Riding the Waves and Tides to a Cleaner Energy Future page: 20
- Maritime Surveillance in the New Millennium page: 24
- Tackling Subsea Blockages page: 30
- Extreme Sampling: Hadal Trenches page: 34
- Injecting 45 Years of New Life page: 40
- ROV Put to the Test page: 46
- OTT Hydrometry & the New Monitoring Network for Scottish Ports page: 50
- Accelerating Mapping, Surveys with High Speed ROV Ops page: 52
- ASI Marine & its Mohican ROV perform Deepest Tunnel Inspection page: 53
- QINSy page: 56
- EIVA NaviSuite page: 57
- The Sustainable Ocean Summit set for Singapore page: 59