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Erschienen in: Journal of Materials Engineering and Performance 12/2022

23.05.2022 | Technical Article

Effect of Electromagnetic Stirring Frequency on Inconel625-High Strength Low Alloy Steel Functionally Graded Material Fabricated by Wire Arc Additive Manufacturing

verfasst von: Jiarong Zhang, Xinjie Di, Chengning Li, Lingzhi Ba, Xing Jiang

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 12/2022

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Abstract

The influences of electromagnetic stirring (EMS) at different frequencies on the formability, microstructure, mechanical properties and corrosion behavior of Inconel625-HSLA (high-strength low-alloy) steel functionally graded materials (FGMs) were studied. A wire arc additive manufacturing (WAAM) system with EMS at different frequencies was applied to fabricate the Inconel625-HSLA steel FGMs. The ratio of the maximum effective area (Rmax) was used to illustrate the formability of the FGMs. The Rmax of the FGMs was increased from 54.7 to 84.8% after EMS at a frequency of 4 Hz with an excitation current of 2 A. The tensile strength and microhardness were tested, and electrochemical tests were conducted to study the corrosion resistance of the FGMs. Compared to the FGM without EMS, the FGM fabricated in EMS at a frequency of 4 Hz and excitation current of 2 A had a primary dendrite spacing that was an average of 13.7% lower, an increased average tensile strength and microhardness (12.5 and 6.7%, respectively), and an increased the corrosion potential (Ecorr), pitting potential (Ep) and passive region (ΔE); these values increased from − 186 to − 139 mVSCE, from 299 to 477 mVSCE and from 113 to 338 mVSCE, respectively.

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Metadaten
Titel
Effect of Electromagnetic Stirring Frequency on Inconel625-High Strength Low Alloy Steel Functionally Graded Material Fabricated by Wire Arc Additive Manufacturing
verfasst von
Jiarong Zhang
Xinjie Di
Chengning Li
Lingzhi Ba
Xing Jiang
Publikationsdatum
23.05.2022
Verlag
Springer US
Erschienen in
Journal of Materials Engineering and Performance / Ausgabe 12/2022
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-022-07008-8

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