A metallurgical and thermal analysis of Inconel 625 electron-beam  welded joints

Luca Romanin; Paolo Ferro; Alberto Fabrizi; Filippo Berto

doi:10.3221/IGF-ESIS.50.21

A metallurgical and thermal analysis of Inconel 625 electron-beam welded joints

Authors

Luca Romanin Università degli Studi di Padova https://orcid.org/0000-0002-2095-857X
Paolo Ferro https://orcid.org/0000-0001-8682-3486
Alberto Fabrizi
Filippo Berto

DOI:

https://doi.org/10.3221/IGF-ESIS.50.21

Keywords:

Welding, Inconel 625, Thermal Analysis, Numerical Modelling, Microstructure

Abstract

Inconel 625 is a nickel-based superalloy that finds application in many industrial sectors thanks to its high strength, excellent fabricability, and outstanding corrosion resistance. It is characterized by a good weldability and often used in the as-welded conditions.
In the following, a metallurgical and thermal analysis of Inconel 625 Electron-Beam welded joints is described. The thermal analysis was supported by a numerical model that uses a superimposition of a spherical and a conical shape heat source with Gaussian power density distribution in order to reproduce the nail-shape of the fusion zone. The heat source parameters were calibrated by using experimental data coming from metallurgical observations and temperature measurements. Numerical and experimental results were found in good agreement.

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Published

20-08-2019

Issue

Vol. 13 No. 50 (2019): October 2019

Section

SI: IGF25 – International Conference 2019

License

Copyright
Authors are allowed to retain both the copyright and the publishing rights of their articles without restrictions.

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How to Cite

A metallurgical and thermal analysis of Inconel 625 electron-beam welded joints. (2019). Frattura Ed Integrità Strutturale, 13(50), 251-263. https://doi.org/10.3221/IGF-ESIS.50.21