Peer-reviewed veterinary case report
How stainless steel mesh affects welding temperature and strength
By Geng Z et al.·2025·School of Materials Science and Engineering, China·View original on Europe PMC →
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Original publication title: Effect of Stainless Steel Mesh Structural Parameters on the Temperature Field and Joint Tensile-Shear Performance in CF/PC Resistance Welding.
Plain-English summary
This study looked at how different designs of stainless steel mesh affect the temperature and strength of welds made with carbon fiber-reinforced polycarbonate sheets. Researchers created a model to predict how changes in the mesh's shape, size, and thickness would influence the welding temperature. They found that a mesh with longer paths for electricity and smaller openings had higher resistance, and that thinner mesh and larger openings also increased resistance. By reducing the distance between the mesh and the material being welded, they were able to make the temperature more even and prevent overheating at the edges. Ultimately, they developed a new mesh design that improved the strength of the weld, achieving a maximum force of nearly 9.9 kN, which is better than traditional mesh designs.
Abstract
This study employs 304 stainless steel perforated mesh (SS mesh) as the heating element for the resistance welding of continuous carbon fiber-reinforced polycarbonate (CCF/PC) sheets. An electro-thermal coupled finite element model is developed to investigate the effect of SS mesh structural parameters (aperture shape, aperture area, mesh thickness) and clamping distance on the welding temperature field. The model accurately predicts peak temperatures, with errors of 1-4% compared with experiments. Under identical aperture area, the SS mesh with longer effective current path length and smaller effective cross-sectional area has higher resistance. In addition, the resistance increases significantly with decreasing mesh thickness and increasing aperture size. Reducing the clamping distance effectively improves temperature uniformity across the weld zone and mitigates edge overheating. A novel mesh structure-featuring larger aperture in the welding region and smaller aperture in non-welding region, is designed to improve the temperature uniformity and joint quality. Under optimized welding parameters (14 A, 40 s welding/holding, 0.3 MPa), the joint achieves a maximum tensile shear force of 9.851 kN, a 13.1% improvement over conventional uniform-aperture mesh (8.713 kN).
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Search related cases →Original publication on Europe PMC: https://europepmc.org/article/MED/41228659