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Effect of welding speed on microstructural and mechanical properties of friction stir welded Inconel 600
AbstractIn order to evaluate the properties of a friction stir welded Ni base alloy, Inconel 600 (single phase type) was selected. Sound friction stir welds without weld defect were obtained at 150 and 200mm/min in welding speed, however, a groove like defect occurred at 250mm/min. The electron back scattered diffraction (EBSD) method was used to analyze the grain boundary character distribution. As a result, dynamic recrystallization was observed at all conditions, and the grain refinement was achieved in the stir zone, and it was gradually accelerated from 19μm in average grain size of the base material to 3.4μm in the stir zone with increasing the welding speed. It also has an effect on the mechanical properties so that friction stir welded zone showed 20% higher microhardness and 10% higher tensile strength than those of base material.
Effect of welding speed on microstructural and mechanical properties of friction stir welded Inconel 600
AbstractIn order to evaluate the properties of a friction stir welded Ni base alloy, Inconel 600 (single phase type) was selected. Sound friction stir welds without weld defect were obtained at 150 and 200mm/min in welding speed, however, a groove like defect occurred at 250mm/min. The electron back scattered diffraction (EBSD) method was used to analyze the grain boundary character distribution. As a result, dynamic recrystallization was observed at all conditions, and the grain refinement was achieved in the stir zone, and it was gradually accelerated from 19μm in average grain size of the base material to 3.4μm in the stir zone with increasing the welding speed. It also has an effect on the mechanical properties so that friction stir welded zone showed 20% higher microhardness and 10% higher tensile strength than those of base material.
Effect of welding speed on microstructural and mechanical properties of friction stir welded Inconel 600
Song, K.H. (author) / Fujii, H. (author) / Nakata, K. (author)
2009-05-23
7 pages
Article (Journal)
Electronic Resource
English
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