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Laser & Optoelectronics Progress, Volume. 55, Issue 6, 061403(2018)

Wear Resistance and Electrochemical Properties of 6061Aluminum Alloys Treated by Laser Shock Peening

Chengyi Ning1,2、1; 2; , Yihui Huang1、1; *; , Guangyi Zhang1、1; , and Wenwu Zhang1、1;
Author Affiliations
  • 1 Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, Zhejiang 315201, China
  • 2 Nano Science and Technology Institute, University of Science and Technology of China, Suzhou, Jiangsu 215000, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (13)
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    References (16)
    Cited By (6)
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    Figures & Tables(13)
    Morphologies of different samples. (a) T0; (b) T1; (c) T2

    Fig. 1. Morphologies of different samples. (a) T0; (b) T1; (c) T2

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    XRD patterns of different samples

    Fig. 2. XRD patterns of different samples

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    Cross-sectional micro-hardness distribution

    Fig. 3. Cross-sectional micro-hardness distribution

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    Metallographic images of different samples. (a) T0; (b) T1; (c) T2

    Fig. 4. Metallographic images of different samples. (a) T0; (b) T1; (c) T2

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    Tafel polarization curves of different samples

    Fig. 5. Tafel polarization curves of different samples

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    SEM morphologies of different samples after corrosion. (a) T0; (b) T1

    Fig. 6. SEM morphologies of different samples after corrosion. (a) T0; (b) T1

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    Friction coefficients of different samples versus time

    Fig. 7. Friction coefficients of different samples versus time

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    Wear losses of different samples

    Fig. 8. Wear losses of different samples

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    Wear surface morphologies of different samples. (a) T0; (b) T1

    Fig. 9. Wear surface morphologies of different samples. (a) T0; (b) T1

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    • Table 1. Chemical compositions of 6061 aluminum alloys (mass fraction, %)

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      Table 1. Chemical compositions of 6061 aluminum alloys (mass fraction, %)

      ElementCuMnMgZnCrTiSiFeAl
      Content0.15-0.400.150.8-1.20.250.04-0.350.150.4-0.80.7Bal.

    • Table 2. Mechanical properties of 6061 aluminum alloys

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      Table 2. Mechanical properties of 6061 aluminum alloys

      PropertyTensilestrength /MPaYieldstrength /MPaDensity /(g·cm-3)
      Value124552.69

    • Table 3. Process parameters of LSP

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      Table 3. Process parameters of LSP

      SampleNo.Laserenergy /JNumberofimpactsOverlappingrate /%Powerdensity /(GW·cm-2)
      T00000
      T10.9150%6.23
      T20.9250%6.23

    • Table 4. Corrosion results of different samples

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      Table 4. Corrosion results of different samples

      Sample No.Corrosionpotential /VCorrosion currentdensity /(A·cm-2)
      T0-1.2391.47×10-6
      T1-1.1806.02×10-7
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    Chengyi Ning, Yihui Huang, Guangyi Zhang, Wenwu Zhang. Wear Resistance and Electrochemical Properties of 6061Aluminum Alloys Treated by Laser Shock Peening[J]. Laser & Optoelectronics Progress, 2018, 55(6): 061403

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Aug. 18, 2017

    Accepted: --

    Published Online: Apr. 10, 2019

    The Author Email: Yihui Huang (huangyihui@nimte.ac.cn)

    DOI:10.3788/LOP55.061403

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology