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Control of Welding Cold Cracking with Trailing Electromagnetic Induction Heating in High Strength Steel Weldment

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In this paper, a new technique, trailing electromagnetic induction heating during welding, has been purposed to control the welding cold cracks. During welding, the welded joint is heated timely by a induction heating coil closely following the welding electric arc, so that the cooling rate is reduced. Consequently, the amount of quenched structure is decreased, the toughness property of the welded joint is enhanced. The experimental results show that the new technique can successfully improve the resistance of cold cracking in welded joint of high strength steel.
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Keywords: COLD CRACKING; ELECTROMAGNETIC INDUCTION HEATING; HIGH STRENGTH STEEL

Document Type: Research Article

Publication date: September 1, 2012

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  • Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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