Fabrication of high nitrogen austenitic stainless steels with excellent mechanical and pitting corrosion properties |
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Authors: | Hua-bing Li Zhou-hua Jiang Yang Cao Zu-rui Zhang |
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Affiliation: | School of Materials and Metallurgy, Northeastern University, Shenyang 110004, China |
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Abstract: | A series of high nitrogen austenitic stainless steels were successfully developed with a pressurized electroslag remelting furnace. Nitride additives and deoxidizer were packed into the stainless steel pipes, and then the stainless steel pipes were welded on the surface of an electrode with low nitrogen content to prepare a compound electrode. Using Si3N4 as a nitrogen alloying source, the silicon contents in the ingots were prone to be out of the specification range, the electric current fluctuated greatly... |
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Keywords: | high nitrogen austenitic stainless steels electroslag remelting nitrogen alloying ductile-brittle transition pitting corrosion resistance |
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