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Journal of Materials Engineering and Performance

Erschienen in:

21.07.2016

Influence of PC-GTAW Parameters on the Microstructural and Mechanical Properties of Thin AISI 1008 Steel Joints

verfasst von: Ravindra Kumar, Ramkishor Anant, P. K. Ghosh, Ankit Kumar, B. P. Agrawal

Erschienen in: Journal of Materials Engineering and Performance | Ausgabe 9/2016

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Abstract

Butt weld joints are prepared using pulse current gas tungsten arc welding out of thin sheets of AISI 1008 steel using various combinations of pulse parameters. During welding, the welding speed was kept high, but with the increase of welding speed the mean current was also increased to get the required weld joint at the constant heat input. The use of pulse current has led to improvement in mechanical and metallurgical properties of weld joints. It has resulted in less development of humping which is a common problem with high-speed welding. The undercut or dipped weld face is not observed severe. The tensile strength and hardness are enhanced by 12.5 and 12%. The increase of tensile strength and hardness is justified through TEM micrograph showing the presence of dislocation.

Vorheriger Artikel The Correlation Among Deposition Parameters, Structure and Corrosion Behavior in ZnNi/Nano-SiC Coating

Nächster Artikel Effect of Machining on Shear-Zone Microstructure in Ti-15V-3Cr-3Al-3Sn: Conventional and Ultrasonically Assisted Turning

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Titel: Influence of PC-GTAW Parameters on the Microstructural and Mechanical Properties of Thin AISI 1008 Steel Joints
verfasst von: Ravindra Kumar
Ramkishor Anant
P. K. Ghosh
Ankit Kumar
B. P. Agrawal
Publikationsdatum: 21.07.2016
Verlag: Springer US
Erschienen in: Journal of Materials Engineering and Performance / Ausgabe 9/2016
Print ISSN: 1059-9495
Elektronische ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-016-2211-4

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