Journal ArticleDOI
A study of the galvanic corrosion behavior of Inconel 718 after electron beam welding
TLDR
In this article, the galvanic corrosion behavior of as-received, solution-annealed and precipitation-hardened Inconel 718 sheets after electron beam welding was studied in 3.5% NaCl solution at 30°C.About:
This article is published in Materials Chemistry and Physics.The article was published on 2007-08-15. It has received 48 citations till now. The article focuses on the topics: Galvanic corrosion & Corrosion.read more
Citations
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Microstructures and high temperature mechanical properties of electron beam welded Inconel 718 superalloy thick plate
TL;DR: The microstructures and high temperature mechanical properties of Inconel 718 thick plate joint obtained by electron beam welding (EBW) were studied in this paper, where the results showed that, in the joint welded by full and cosmetic penetration, dendrites preserve in the top and bottom of welding center and columnar crystals emerge in the middle.
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Microscale investigation of the correlation between microstructure and galvanic corrosion of low alloy steel A508 and its welded 309/308L stainless steel overlayer
Bright O. Okonkwo,Bright O. Okonkwo,Hongliang Ming,Zhiming Zhang,Jianqiu Wang,Ehsan Rahimi,Ehsan Rahimi,Saman Hosseinpour,Ali Davoodi +8 more
TL;DR: In this paper, the microscopic scale correlation between microstructure and galvanic corrosion of low alloy steel-A508 and its welded-309/308L stainless steel overlayer is investigated.
Journal ArticleDOI
Effect of Heat Input on Microstructure and Mechanical Properties of Inconel-718 EB Welds
TL;DR: In this article, the effect of electron beam welding heat input on the microstructure and mechanical properties of Inconel 718 was studied, and five different heat inputs were used to make full penetration welds.
Journal ArticleDOI
Comparison of Electron Beam and Friction Stir Weldments of Modified 12 wt% Ferritic Stainless Steel
TL;DR: In this article, a comparative evaluation of microstructural features and mechanical properties of electron beam welded and friction stir welded (FSW) joints was performed using optical microscopy, microhardness testing, transverse tensile, and impact tests.
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Sequential Laser Mechanical Microdrilling of Inconel 718 Alloy
TL;DR: In this article, a new method to microdrill Inconel 718 alloy using laser followed by mechanical drilling (sequential drilling) is presented, and the results show that the new drilling method presents an opportunity for industry to extend tool life and decrease burr.
References
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Journal ArticleDOI
Precipitation around welds in the nickel-base superalloy, Inconel 718
TL;DR: In this article, the precipitation associated with microfissures and grain boundaries in the heat-affected zone around electron beam welds in the nickel-base superalloy Inconel 718 is described.
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A comparison of the solidification behavior of INCOLOY 909 and INCONEL 718
TL;DR: In this article, the solidification behavior of two commercial aerospace superalloys, INCOLOY 909 and INCONEL 718, has been examined, and it was observed that the arc welds of these alloys contained only a y/Laves eutectic-like constituent.
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The effect of grain boundary segregation of boron in cast alloy 718 on HAZ microfissuring: A sims analysis
TL;DR: The relationship between the boron segregation and the microfissuring tendency in heat affected zones (HAZ) around electron beam welds is discussed in this article, where two types of segregation, namely equilibrium and non-equilibrium segregation, occurred during the homogenization heat treatment of the base material.
Journal ArticleDOI
A phase diagram approach to study liquation cracking in alloy 718
B. Radhakrishnan,R. G. Thompson +1 more
TL;DR: In this paper, a diffusion couple between NbC and they matrix in a pseudo-ternary of γ-NbC-Laves is discussed and theoretical arguments are presented to show that the diffusion path cannot be a straight line connecting the terminal compositions.
Journal ArticleDOI
Effect of homogenization heat treatment on the microstructure and heat- affected zone microfissuring in welded cast alloy 718
TL;DR: In this article, the effect of homogenization temperature on microfissuring in the heat-affected zones of electronwelded cast INCONEL 718 has been studied.
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