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首页> 外文期刊>Applied Surface Science >Surface texturing of the carbon steel AISI 1045 using femtosecond laser in single pulse and scanning regime
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Surface texturing of the carbon steel AISI 1045 using femtosecond laser in single pulse and scanning regime

机译：飞秒激光在单脉冲和扫描方式下对AISI 1045碳钢进行表面纹理处理

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摘要

Surface texturing of the metals, including steels, gained a new dimension with the appearance of femtosecond lasers. These laser systems enable highly precise modifications, which are very important for numerous applications of metals. The effects of a Ti: sapphire femtosecond laser with the pulse duration of 160 fs, operating at 775 nm wavelength and in two operational regimes - single pulse (SP) and scanning regime, on a high quality AISI 1045 carbon steel were studied. The estimated surface damage threshold was 0.22J/cm~2 (SP). Surface modification was studied for the laser fluences of 0.66,1.48 and 2.37J/cm~2. The fluence of 0.66J/cm~2, in both working regimes, induced texturing of the material, i.e. formation of periodic surface structures (PSS). Their periodicity was in accordance with the used laser wavelength. Finally, changes in the surface oxygen content caused by ultrashort laser pulses were recorded.
机译：飞秒激光的出现使包括钢在内的金属表面纹理化有了新的发展。这些激光系统能够进行高度精确的修改，这对于金属的众多应用非常重要。研究了Ti：蓝宝石飞秒激光器对高品质AISI 1045碳钢的影响，该激光器在775 nm波长下以两种工作方式-单脉冲（SP）和扫描方式工作，脉冲持续时间为160 fs，在775 nm波长下工作。估计的表面损伤阈值为0.22J / cm〜2（SP）。研究了0.66、1.48和2.37J / cm〜2激光注量的表面改性。在两种工作方式下，通量均为0.66J / cm〜2会引起材料的纹理化，即形成周期性表面结构（PSS）。它们的周期性与所使用的激光波长一致。最后，记录了由超短激光脉冲引起的表面氧含量的变化。

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  • 来源
    《Applied Surface Science》 |2011年第1期|p.290-296|共7页
  • 作者

    J. Stasic; B. Gakovic; W. Perrie; K. Watkins; S. Petrovic; M. Trtica;

  • 作者单位

    VINCA Institute of Nuclear Sciences, University of Belgrade, P.O. BOX 522, 11001 Belgrade, Serbia;

    VINCA Institute of Nuclear Sciences, University of Belgrade, P.O. BOX 522, 11001 Belgrade, Serbia;

    Department of Engineering, University of Liverpool, Liverpool L69 3CH, UK;

    Department of Engineering, University of Liverpool, Liverpool L69 3CH, UK;

    VINCA Institute of Nuclear Sciences, University of Belgrade, P.O. BOX 522, 11001 Belgrade, Serbia;

    VINCA Institute of Nuclear Sciences, University of Belgrade, P.O. BOX 522, 11001 Belgrade, Serbia;

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  • 正文语种 eng
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  • 关键词

    steel; femtosecond laser; laser processing; periodic surface structures;

    机译：钢;飞秒激光激光加工;周期性表面结构;

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