An Experimental Study on Rotational Arc Welded HSLA Steel joints - Vemu, Vara Prasad;Nadipalli, Vinay Kumar
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In this project, the traditional gas metal arc welding process was modified to rotational arc welding by providing a rotation to the welding torch along with the horizontal traverse motion. Two similar P22 High Strength Low Alloy steel specimens were welded by rotational arc welding process by using ER70S-6 electrode wire under CO2 environment to avoid cracks and slag inclusions, at different rotational speeds of the welding torch and by vibrating the worktable at different frequencies. Improved microstructures and weld bead characteristics, with better mechanical properties, were observed…mehr

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Produktbeschreibung
In this project, the traditional gas metal arc welding process was modified to rotational arc welding by providing a rotation to the welding torch along with the horizontal traverse motion. Two similar P22 High Strength Low Alloy steel specimens were welded by rotational arc welding process by using ER70S-6 electrode wire under CO2 environment to avoid cracks and slag inclusions, at different rotational speeds of the welding torch and by vibrating the worktable at different frequencies. Improved microstructures and weld bead characteristics, with better mechanical properties, were observed among the welded samples which are under Vibratory Weld Condition (VWC) during the welding process.
Autorenporträt
Mr. Vemu Vara Prasad Assistant Professor, UCEK (A), Jawaharlal Nehru Technological University Kakinada, AP, India Nadipalli Vinay KumarPG Scholar, JNTU Kakinada