Texturing skin-pass rolls by high-speed laser melt injection, laser ablation, and electrolytic etching

IF 1.7 4区 工程技术 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Laser Applications Pub Date : 2023-12-21 DOI:10.2351/7.0001149
P. Warneke, A. Bohlen, T. Seefeld
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Abstract

Skin-pass rolls are used for setting the final sheet thickness and surface texture. For sheet metal that is produced for forming, textured skin-pass rolls featuring a high-low structure are used in order to improve the formability and paint adhesion of the sheet. In this paper, new textures for skin-pass rolls generated by high-speed laser melt injection (HSLMI) are presented and characterized. Furthermore, it is studied how the texture of the roll is transferred to steel and aluminum sheets. With HSLMI, metal matrix composite (MMC) layers featuring spherical fused tungsten carbide (SFTC) particles with a high hardness could be produced on skin-pass rolls. For generating an increased high-low structure, laser ablation and electrolytic etching were carried out after HSLMI and grinding of the rolls. An analysis of the topography showed that different protruding heights between SFTC particles and matrix can be set. The textures generated by laser ablation showed a topography featuring two homogeneous height levels, whereas a texture with spherically shaped particles could be generated by electrolytic etching. Furthermore, it was found that all textures were transferred from the roll to both steel and aluminum sheets. The transfer of the textures mainly depended on the protruding height of the SFTC particles and the SFTC particle content of the roll.
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通过高速激光熔体喷射、激光烧蚀和电解蚀刻对皮辊进行纹理加工
蒙皮辊用于设定最终板材厚度和表面纹理。对于为成型而生产的金属板材,使用具有高低结构的纹理蒙皮辊可提高板材的成型性和涂料附着力。本文介绍了通过高速激光熔体喷射(HSLMI)生成的表皮辊的新纹理,并对其进行了表征。此外,还研究了如何将轧辊纹理转移到钢板和铝板上。通过 HSLMI,可以在皮辊上生产出具有高硬度球形熔融碳化钨(SFTC)颗粒的金属基复合材料(MMC)层。为了生成更高的高低结构,在 HSLMI 和磨削轧辊后进行了激光烧蚀和电解蚀刻。对形貌的分析表明,可以在 SFTC 颗粒和基体之间设置不同的突出高度。激光烧蚀产生的纹理具有两个均匀高度的地形,而电解蚀刻产生的纹理具有球形颗粒。此外,还发现所有纹理都能从轧辊转移到钢板和铝板上。纹理的转移主要取决于 SFTC 粒子的突出高度和轧辊中 SFTC 粒子的含量。
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来源期刊
CiteScore
3.60
自引率
9.50%
发文量
125
审稿时长
>12 weeks
期刊介绍: The Journal of Laser Applications (JLA) is the scientific platform of the Laser Institute of America (LIA) and is published in cooperation with AIP Publishing. The high-quality articles cover a broad range from fundamental and applied research and development to industrial applications. Therefore, JLA is a reflection of the state-of-R&D in photonic production, sensing and measurement as well as Laser safety. The following international and well known first-class scientists serve as allocated Editors in 9 new categories: High Precision Materials Processing with Ultrafast Lasers Laser Additive Manufacturing High Power Materials Processing with High Brightness Lasers Emerging Applications of Laser Technologies in High-performance/Multi-function Materials and Structures Surface Modification Lasers in Nanomanufacturing / Nanophotonics & Thin Film Technology Spectroscopy / Imaging / Diagnostics / Measurements Laser Systems and Markets Medical Applications & Safety Thermal Transportation Nanomaterials and Nanoprocessing Laser applications in Microelectronics.
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