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Laser & Optoelectronics Progress, Volume. 55, Issue 5, 051403(2018)

Pulsed Laser Welding of AZ31 Magnesium Alloy and

Matrix Composites Aluminum0、*, [in Chinese]0, [in Chinese]0, and [in Chinese]0
Author Affiliations
  • 0[in Chinese]
  • 0Dai Jun, Yang Li, Zhang Yaocheng, Chen Chunlin
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
    Equations (0)
    References (15)
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    Figures & Tables(11)
    Schematic of lap construction

    Fig. 1. Schematic of lap construction

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    Macro-morphology of welded joints

    Fig. 2. Macro-morphology of welded joints

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    Microstructure of welded joints. (a) Near fusion line; (b) typical welds

    Fig. 3. Microstructure of welded joints. (a) Near fusion line; (b) typical welds

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    Welded joints. (a) SEM images; (b) map of element Mg; (c) map of element Al; (d) map of element Ti

    Fig. 4. Welded joints. (a) SEM images; (b) map of element Mg; (c) map of element Al; (d) map of element Ti

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    XRD patterns of welds

    Fig. 5. XRD patterns of welds

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    Polarization curves of welds and base metal

    Fig. 6. Polarization curves of welds and base metal

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    Design diagram of Darken-Gurry alloy

    Fig. 7. Design diagram of Darken-Gurry alloy

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    Microhardness of welded joints. (a) Side of AZ31 Mg alloy; (b) side of TiB2 enhancement aluminum matrix composite

    Fig. 8. Microhardness of welded joints. (a) Side of AZ31 Mg alloy; (b) side of TiB2 enhancement aluminum matrix composite

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    • Table 1. Chemical compositions of AZ31 Mg alloy and TiB2 enhancement aluminum matrix composite (mass fraction, %)

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      Table 1. Chemical compositions of AZ31 Mg alloy and TiB2 enhancement aluminum matrix composite (mass fraction, %)

      MaterialAlZnMnSiFeCuCaTiB2Mg
      AZ31 Mg alloy3.190.810.3340.020.0050.050.04-Bal.
      TiB2 AMCBal.--4---57

    • Table 2. Process parameters of laser welding

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      Table 2. Process parameters of laser welding

      LevelPulsefrequency /HzWelding speed /(mm·s-1)Defocusing /mm
      161.5-2
      271.80
      382.12

    • Table 3. Scheme and results of orthogonal test

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      Table 3. Scheme and results of orthogonal test

      TestNo.Pulsefrequency /HzWelding speed /(mm·s-1)Defocusing /mm
      161.5-2
      261.80
      362.12
      471.50
      571.82
      672.1-2
      781.52
      881.8-2
      982.10
      R1.61.22.2
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    Matrix Composites Aluminum, [in Chinese], [in Chinese], [in Chinese]. Pulsed Laser Welding of AZ31 Magnesium Alloy and[J]. Laser & Optoelectronics Progress, 2018, 55(5): 051403

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Sep. 4, 2017

    Accepted: --

    Published Online: Sep. 11, 2018

    The Author Email: Aluminum Matrix Composites (jdaijs@163.com)

    DOI:10.3788/LOP55.051403

    Topics

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