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With lower alloying cost and higher mechanical properties, lean duplex stainless steels can be an alternative to the more commonly used austenitic stainless steels. However, these alloys are still not the preferred choice, probably due to a lack of field experience. A study was thus initiated in view of defining the limits of use of selected (lean) duplexes for urban wastewater treatment units. The...
In this study, the Ni‐cladding layer was deposited on Inconel 617 substrate as a corrosion‐resistant layer by gas tungsten arc welding. The corrosion behavior of Inconel 617 alloys with and without Ni‐cladding layer, and individual Ni‐claddings was studied at 850°C in molten FLiNaK salts with a high Ni2+ concentration. After corrosion, FeNi3 layers cover the surface of all alloy specimens. Inconel...