Journals Articles Conferences News About CLP
Submit a paper Email Alert
Search
Search
Articles
Journals
News
Advanced Search
Top Searches
2D MaterialsTransformation opticsQuantum PhotonicsSmall lasersSemiconductor UV PhotonicsSupersymmetric microring laser arrays

Laser & Optoelectronics Progress, Volume. 57, Issue 1, 011404(2020)

Microstructure and Corrosion Behavior of Ultra-High Strength Steel 300M After Laser Surface Remelting

Wei Xu1,2、*, Xiaoguang Wang3、**, and Zhengxing Men1、***
Author Affiliations
  • 1College of General Aviation, Chengdu Aeronautic Polytechnic, Chengdu, Sichuan 610100, China
  • 2The Innovation Base of School-Enterprise Cooperation Aviation Electroic Technology in Sichuan, Chengdu, Sichuan 610100, China
  • 3Clllege of Aeronautical Manufacturing Engineering, Nanchang Hangkong University, Nanchang, Jiangxi 330063, China
    • show less
    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
    Equations (0)
    References (17)
    Cited By (1)
    Tools
    Paper Information
    Topics
    Figures & Tables(11)
    Microstructure of 300M steel used in test

    Fig. 1. Microstructure of 300M steel used in test

    Download full size
    Energy density distribution of Gaussian heat source and surface morphologies of laser remelting layer. (a) Energy density distribution of Gaussian heat source; (b) macro morphology; (c) micro morphology of x-y cross section when P=600 W and S=66 mm/s ; (d) micro morphology of x-y cross section of remelting layer when P=300 W and S=33 mm/s; (e) micro morphology of y-z cross section of remelting layer when P=600 W and S=66 mm/s; (f) mi

    Fig. 2. Energy density distribution of Gaussian heat source and surface morphologies of laser remelting layer. (a) Energy density distribution of Gaussian heat source; (b) macro morphology; (c) micro morphology of x-y cross section when P=600 W and S=66 mm/s ; (d) micro morphology of x-y cross section of remelting layer when P=300 W and S=33 mm/s; (e) micro morphology of y-z cross section of remelting layer when P=600 W and S=66 mm/s; (f) mi

    Download full size
    Microstructures of different regions of laser remelting layer in x-y direction for different parameters. (a) P=300 W, S=33 mm/s, weld zone; (b) P=300 W, S=33 mm/s, weld remelting zone; (c) P=600 W, S=66 mm/s, weld zone; (d) P=600 W, S=66 mm/s, weld remelting zone

    Fig. 3. Microstructures of different regions of laser remelting layer in x-y direction for different parameters. (a) P=300 W, S=33 mm/s, weld zone; (b) P=300 W, S=33 mm/s, weld remelting zone; (c) P=600 W, S=66 mm/s, weld zone; (d) P=600 W, S=66 mm/s, weld remelting zone

    Download full size
    CCT curves of 300M steel

    Fig. 4. CCT curves of 300M steel

    Download full size
    Microhardness contour maps of laser remelting layer for different parameters. (a) P=600 W, S=66 mm/s; (b) P=300 W, S=33 mm/s

    Fig. 5. Microhardness contour maps of laser remelting layer for different parameters. (a) P=600 W, S=66 mm/s; (b) P=300 W, S=33 mm/s

    Download full size
    Polarization plots of substrate and remelted samples in 3.5% NaCl solution

    Fig. 6. Polarization plots of substrate and remelted samples in 3.5% NaCl solution

    Download full size
    Electrochemical impedance spectra ofsubstrate and remelted samples in 3.5% NaCl solution. (a) Nyquist plots; (b) Bode plots (impedance); (c) Bode plots (phase angle)

    Fig. 7. Electrochemical impedance spectra ofsubstrate and remelted samples in 3.5% NaCl solution. (a) Nyquist plots; (b) Bode plots (impedance); (c) Bode plots (phase angle)

    Download full size
    Equivalent circuit of 300M steel in 3.5%NaCl solution

    Fig. 8. Equivalent circuit of 300M steel in 3.5%NaCl solution

    Download full size

    • Table 1. Parameters for laser surface remelting

      View table

      Table 1. Parameters for laser surface remelting

      NumberPower P /WSpeed S /(mm·s-1)
      130033
      260066

    • Table 2. Polarization curve fitting results of substrate and remelted samples in 3.5%NaCl solution under different processes

      View table

      Table 2. Polarization curve fitting results of substrate and remelted samples in 3.5%NaCl solution under different processes

      SampleEcorr /mVicorr /(μA·cm-2)βa /(mV·dec-1)βc /(mV·dec-1)
      Substrate sample-518.2010.8679.718.2
      Remelted sample (P=300 W, S=33 mm·s-1)-505.3780.5297.120.1
      Remelted sample (P=600 W, S=66 mm·s-1)-506.8160.8176.323.2

    • Table 3. EIS fitting results of substrate and remelted samples in 3.5% NaCl solution

      View table

      Table 3. EIS fitting results of substrate and remelted samples in 3.5% NaCl solution

      SampleRs /(Ω·cm2)Q /(Ω-1·cm-2·s)nctRct /(Ω·cm2)
      Substrate sample20.122.69×10-40.63518.60
      Remelted sample (P=300 W, S=33 mm·s-1)16.703.96×10-40.707245
      Remelted sample (P=600 W, S=66 mm·s-1)17.182.63×10-40.694971
    Tools

    Get Citation

    Copy Citation Text

    Wei Xu, Xiaoguang Wang, Zhengxing Men. Microstructure and Corrosion Behavior of Ultra-High Strength Steel 300M After Laser Surface Remelting[J]. Laser & Optoelectronics Progress, 2020, 57(1): 011404

    Download Citation

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

    Category: Lasers and Laser Optics

    Received: Jun. 1, 2019

    Accepted: Jul. 10, 2019

    Published Online: Jan. 3, 2020

    The Author Email: Xu Wei (354395583@qq.com), Wang Xiaoguang (quantumbit@foxmail.com), Men Zhengxing (25773211@qq.com)

    DOI:10.3788/LOP57.011404

    Topics

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