RESEARCH ON THE MICROSTRUCTURE OF LASER BEAM WELDED SC-MODIFIED AA2519-F EXTRUSION

被引：3
作者：
KOSTUREK, R. [1 ]
SNIEZEK, L. [1 ]
GRZELAK, K. [1 ]
WACHOWSK, M., I [1 ]
机构：
[1] MIL UNIV TECHNOL, FAC MECH ENGN, 2 GEN S KALISKIEGO STR, PL-00908 Warsaw, Poland
来源：
ARCHIVES OF METALLURGY AND MATERIALS | 2022年 / 67卷 / 02期
关键词：
aluminum; extrusion; AA2519; microstructure; laser beam welding; MECHANICAL-PROPERTIES; ALUMINUM; PARAMETERS; ALLOY; TIG;
D O I：
10.24425/amm.2022.137817
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
In this paper, the microstructure of laser beam welded Sc-modified AA2519-F has been taken under investigation. The welded joint has been produced using Fanuc 710i industrial robot equipped with YLS-6000 6 kW laser beam source. The welding speed and laser power were equal to 0.75 m/min and 3.2 kW, respectively. The investigation involved microstructure observations with the use of both light microscope and scanning electron microscope with energy dispersive spectroscopy (EDS) analysis of chemical composition and microhardness distribution measurements. It has been stated that laser beam welding allows to obtain Sc-modified AA2519-F weld of good quality, characterized by the presence of an equiaxed grain zone containing scandium-rich precipitates adjacent to the fusion boundary.
引用
收藏
页码：773 / 778
页数：6
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