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September 27, 2023Journal of Materials Research and TechnologyOpen Access

Grain refinement of laser-arc hybrid welded 2219 aluminum alloy by introducing TiB2 particles employing laser pre-cladding

Junwei Huang Kangda Hao Lianyong Xu Yongdian Han Lei Zhao Wenjing Ren

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Abstract

Laser-arc hybrid welding of 2219 aluminum alloy was carried out employing TiB2 particles. By pre-cladding a wide layer, the particles were easy to arrive weld edge, promoting the columnar grains neighboring the fusion line transferred to equiaxed, and the average grain size was reduced by about 50%.

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Huang et al. (2023) studied this question.

synapsesocial.com/papers/6aa91bdb3c4f3f2f14b3f11a https://doi.org/10.1016/j.jmrt.2023.09.250

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