Laser & Optoelectronics Progress, Volume. 62, Issue 15, 1514003(2025)

Effect of Laser Forging on Microstructure and Mechanical Properties of Thin-Walled Parts

Hu Chen, Jiajie Li, Jingling Zeng, and Yongkang Zhang*
Author Affiliations
  • Guangdong Provincial Key Laboratory of Advanced Manufacturing Technology of Marine Energy Equipment, Guangdong University of Technology, Guangzhou 510006, Guangdong , China
  • show less
    Figures & Tables(19)
    Arc additive compound laser forging system
    Schematic diagram of sampling areas for thin-walled part
    Schematic diagram of microhardness measurement aeras and positions of thin-walled parts
    Dimensional diagram of tensile test samples
    Metallographic photos of microstructures. (a) N0; (b) N1; (c) N2; (d) N3
    Pore defects of different experimental groups. (a) N0; (b) N1; (c) N2; (d) N3
    Variation of porosity for different experimental groups
    Box plots of microhardness data for thin-walled part experiments
    Curves of stress-strain
    Results of tensile strength in tensile experiments
    Elongations after fracture in tensile tests
    Photos of fractures for landscape tensile experiments. (a) N0; (b) N1; (c) N2; (d) N3
    Photos of fractures for portrait tensile experiments. (a) N0; (b) N1; (c) N2; (d) N3
    • Table 1. Mechanical properties of 5083 aluminum alloy

      View table

      Table 1. Mechanical properties of 5083 aluminum alloy

      ParameterValue
      Tensile strength /MPa317
      Yield strength /MPa228
      Elongation after breaking /%16
      Elastic modulus /GPa70.3
    • Table 2. Mass fractions of chemical elements for 5083 aluminum alloy

      View table

      Table 2. Mass fractions of chemical elements for 5083 aluminum alloy

      ElementMass fractionElementMass fraction
      Mg4.00‒4.90Cu0.10
      Mn0.40‒1.00Cr0.05‒0.25
      Fe0.40Ti0.15
      Si0.40AlBal.
      Zn0.25
    • Table 3. Mass fractions of chemical elements for ER5183 aluminum alloy welding wire

      View table

      Table 3. Mass fractions of chemical elements for ER5183 aluminum alloy welding wire

      ElementMass fractionElementMass fraction
      Mg4.30‒5.20Ti≤0.15
      Mn0.50‒1.00AlBal.
      Cr0.05‒0.25
    • Table 4. Fixed parameters of arc additive manufacturing process

      View table

      Table 4. Fixed parameters of arc additive manufacturing process

      ParameterValue
      Arc current /A140
      Feed speed /(mm·min-1500
      Gas flow rate /(L·min-116
      Voltage /V23.2
      Wire diameter /mm1.2
      Wire feed speed /(m·min-16.4
      Torch angle /(°)80
      Torch height /mm17
    • Table 5. Process parameters of laser forging

      View table

      Table 5. Process parameters of laser forging

      Experimental groupWavelength /nmEnergy /mJFrequency /HzSpot diameter /mmForging form
      N0
      N110641000103Single beam
      N210641000103Double beam linkage
      N31064100053Double beam linkage
    • Table 6. Porosity measurement results for ten times

      View table

      Table 6. Porosity measurement results for ten times

      Experimental group12345678910
      N01.311.301.331.301.291.251.321.401.291.27
      N10.240.240.260.260.220.240.230.270.170.17
      N20.220.150.200.200.280.270.270.270.190.23
      N30.610.630.600.530.540.540.530.450.560.48
    Tools

    Get Citation

    Copy Citation Text

    Hu Chen, Jiajie Li, Jingling Zeng, Yongkang Zhang. Effect of Laser Forging on Microstructure and Mechanical Properties of Thin-Walled Parts[J]. Laser & Optoelectronics Progress, 2025, 62(15): 1514003

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Lasers and Laser Optics

    Received: Dec. 6, 2024

    Accepted: Dec. 25, 2024

    Published Online: Jul. 1, 2025

    The Author Email: Yongkang Zhang (zykseu@163.com)

    DOI:10.3788/LOP242387

    CSTR:32186.14.LOP242387

    Topics