Determination of Susceptibility To Intergranular Corrosion of Uns 31803 Type Duplex Stainless Steel by Electrochemical Reactivation Method

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2012

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Hindawi Ltd

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Department of Mechanical Engineering
(2016)
The Mechanical Engineering Doctoral Program has started in 2016-2017 academic year. We have highly qualified teaching and research faculty members and strong research infrastructure in the department for graduate work. Research areas include computational and experimental research in fluid and solid mechanics, heat and mass transfer, advanced manufacturing, composites and other advanced materials. Our fundamental mission is to train engineers who are able to work with advanced technology, create innovative approaches and authentic designs, apply research methods effectively, conduct research and develop high quality methods and products in space, aviation, defense, medical and automotive industries, with a contemporary education and research infrastructure.

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Specimens taken from a hot-rolled cylindrical duplex stainless steel (DSS) bar with 22% Cr grade were solution annealed at 1050 9 degrees C and then aged at 725. C from 100 to 31622 min for sensitization treatment. Double loop electrochemical potentiodynamic reactivation and standard weight loss immersion acid tests were conducted. The solution-annealed samples were found unsensitized. Those samples aged for 100 and 316 min were less sensitized whereas samples aged for 1000 min and especially those aged for 3162, 10000, and 31622 min were heavily sensitized. The degree of sensitization (DOS) can be attributed to higher contribution of chromium-and molybdenum-depleted areas resulting from intermetallic phases.

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Doruk, Mustafa Çağrı/0009-0000-8238-2521
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Doruk, Mustafa Çağrı ORCID logo

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2012

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https://doi.org/10.1155/2012/651829
 https://hdl.handle.net/20.500.14411/1277

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