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Reich, S.
RWTH Aachen University
in Cooperation with on an Cooperation-Score of 37%
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Publications (6/6 displayed)
- 2024High-Temperature Steam Oxidation Behavior of VDM Alloy 699 XA Produced by Laser Powder Bed Fusion
- 2021Design and manufacturing of a cylinder head by laser powder bed fusioncitations
- 2017Dynamic properties of hybrid composite structures based multiwalled carbon nanotubescitations
- 2016Organic solar cells with graded absorber layers processed from nanoparticle dispersions
- 2014Methods and solutions for joining plates made from different metals using voltaic arc weldingcitations
- 2011Study on laser welding-brazing of zinc coated steel to aluminum alloy with a zinc based fillercitations
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article
Study on laser welding-brazing of zinc coated steel to aluminum alloy with a zinc based filler
Abstract
Laser welding-brazing (LWB) technique with CW Nd:YAG laser was used for lap joining of zinc coated steel (DP600) with aluminum alloy (AA6016) using a filler wire composed of 85% Zn and 15% Al. LWB was performed with varying laser power, brazing speed, and wire feed speed. The microstructure and composition analyses of the brazed joints were examined using SEM and EDS while the mechanical properties were measured in the form of micro-hardness and tensile strength. The thickness of reaction layers formed along the steel-seam interface was in the range of 3-23 μm, and it varied with the brazing speed. The average micro-hardness value of this layer was 348. HV, compared to 150. HV in brazed seam and 230. HV in steel matrix. It has been found that joints produced with heat inputs between 60 and 110. J/mm exhibited higher mechanical resistance of about 220. MPa and the failures occurred away from the joints on aluminum side. The corresponding brazing speeds are between 0.5 and 0.8. m/min and the thickness of the layer produced ranged between 8 and 12 μm. © 2010 Elsevier B.V.