#6707. Wetting behavior of Al on the surface of SiC textured by nanosecond laser

September 2026publication date
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Journal’s subject area:
Electrical and Electronic Engineering;
Atomic and Molecular Physics, and Optics;
Electronic, Optical and Magnetic Materials;
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Abstract:
Recently ultrafast laser has been used to process materials to obtain functional surface. However, most of the existing research is focused on metals, and only a few studies considered ceramics. In the current work, the effects of laser texturing on the wetting behavior of Al/SiC systems is investigated by modified sessile drop method. The surface of SiC is textured by nanosecond laser with ordered square grids. Then, the wetting behaviors of Al on both raw and textured SiC are investigated. The processed SiC surface and wetting interface are characterized by XPS, SEM, and XRD. Finally, the spreading kinetics is calculated. It is observed that laser texturing induces the melting and elimination of SiC, resulting in the generation of microsynapses and deposited carbon in grooves.
Keywords:
Interfaces; SiC; Surfaces; Wetting

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