Effect of laser cleaning process parameters on the surface roughness of 5754-grade aluminum alloy

  • Guangxing Zhang
  • Xueming HuaEmail author
  • Fang Li
  • Yuelong Zhang
  • Chen Shen
  • Jian Cheng


Laser cleaning has been widely used in manufacturing industries due to its lower pollution and higher cleaning precision and efficiency compared with traditional ways. However, laser cleaning would inevitably induce processing roughness on the workpiece surface and only a few researches have been conducted to this field. In this work, the influence of process parameters on surface roughness was explored in detail. The results showed that process parameters changed surface roughness by changing energy density and overlap ratio. And surface roughness was showed linear positive correlation with energy density. At same energy density, surface roughness will first increase and then decrease with increasing overlap ratios. The maximum roughness was in the range of 50 to 66.7%. It could be explained that after laser irradiation, the sample surface absorbed pulse energy and formed craters. The rim and craters made the sample surface coarse. Due to the depth and diameter of craters were dependent on energy density, the roughness increased with increasing energy densities. The adjacent craters will also change the height of rim and depth of crater with different overlap ratios. It led to different surface roughness.


Laser cleaning Surface roughness Process parameters Energy density Overlap ratio 



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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  • Guangxing Zhang
    • 1
  • Xueming Hua
    • 1
    Email author
  • Fang Li
    • 1
  • Yuelong Zhang
    • 1
  • Chen Shen
    • 1
  • Jian Cheng
    • 2
  1. 1.Shanghai Key Laboratory of Material Laser Processing and ModificationShanghai Jiao Tong UniversityShanghaiChina
  2. 2.School of Mechanical EngineeringHubei University of TechnologyWuhanChina

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