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Software Uses X-rays to Detect Pipe Corrosion

Monday, December 27, 2010

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New software developed by federal and Northrop Grumman Shipbuilding researchers may lead to a less-expensive, faster method to detect corrosion or other defects in a ship's pipes.

The copyrighted software is used to analyze digitized x-ray images to determine loss of wall thickness in pipes.

The technology announcement caps a six-month research and development agreement between the U.S. Department of Energy's Savannah River National Laboratory and Northrop Grumman Shipbuilding.

SRNL has granted NGSB a license to commercialize and continue maturing the software for shipboard pipe analysis.

Imaging through Insulation

Ships contain vast quantities of piping that is subject to corrosion and other types of failure issues. The current method of inspecting for these issues is to strip insulation from portions of piping, then test the piping to see if there is corrosion or other problems.

Because the new approach uses digital x-rays, it does not require the removal of the insulation. When the new software is matured, it will save significant time, resulting in more piping being evaluated in a shorter period of time, the R&D team says.

The new software, which is based on existing Digital X-Ray Pipe Inspector Software, combines a tool for examining a region of interest on the outside wall of a pipe with a tool for examining a region of the pipe’s interior. The software compares the resulting digital x-rays of the interior and its corresponding exterior region to quantitatively assess defects between the pipe walls.

Digital Imaging Expansion

Development of the new software builds on SRNL's expertise in digital imaging and other radiography techniques, which has been applied to develop methods for examining components used in the processing and disposal of radioactive materials. In recent years, this expertise has been extended, with applications for medical research and other fields.

SRNL is DOE's applied research and development national laboratory at the Savannah River Site.

Northrop Grumman Shipbuilding has been designing, building, overhauling and repairing a wide variety of ships for the U.S. Navy, the U.S. Coast Guard and world navies for more than a century. NGSB is the largest shipbuilder in America.

   

Tagged categories: Corrosion; Corrosion protection; Site/field testing

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