The Welded Joints Structure of the Inconel 617 Alloy Designed for High Temperature Operation in Supercritical Parameters Boilers

• Autorzy: Adamiec J. , Konieczna N.

Identyfikatory

DOI

10.24425/amm.2020.131724

• Języki publikacji: EN

Abstrakty

EN

The development of power industry obligates designers, materials engineers to create and implement new, advanced materials, in which Inconel 617 alloy is included. Nowadays, there are a lot of projects which describe microstructure and properties of Inconel 617 alloy. However, the welded joints from mentioned material is not yet fully discussed in the literature. The description of welded joints microstructure is a main knowledge source for designers, constructors and welding engineers in estimating durability process and degradation assessment for elements and devices with welds of Inconel 617 alloy. This paper presents the analysis and assessment of advanced nickel alloy welded joints, which have been done by tungsten inert gas (TIG). Investigations have included analysis made by light microscope and scanning electron microscope. The disclosed precipitates were identified with Energy Dispersive Spectroscopy (EDS) microanalysis, then it were done X-Ray Diffraction (XRD) phases analysis. To confirm the obtained results, a scanning-transmission electron microscope (STEM) analysis was also performed. The purpose of the article was to create a comprehensive procedure for revealing the Inconel 617 alloy structure. The methodology presented in this article will be in future a great help for constructors, material specialists and welding engineers in assessing the structure and durability of the Inconel 617 alloy.

Słowa kluczowe

EN

Inconel 617; nickel alloys; welded joint; macrostructure; microstructure; etching; TIG method

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2020
• Tom: Vol. 65, iss. 1
• Strony: 243--255
• Opis fizyczny: Bibliogr. 30 poz., fot., rys., tab.

Twórcy

autor

Adamiec J.

• Silesian University of Technology Faculty of Materials Engineering and Metallurgy, Institute of Materials Engineering, 8 Krasińskiego Str., 40-019 Katowice, Poland

autor

Konieczna N.

• Silesian University of Technology Faculty of Materials Engineering and Metallurgy, Institute of Materials Engineering, 8 Krasińskiego Str., 40-019 Katowice, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).