Chinese Journal of Lasers, Volume. 48, Issue 18, 1802012(2021)

Finite Element Analysis of Residual Stress in TC4/TC11 Titanium Alloy Gradient Material Produced by Laser Additive Manufacturing

Peng Fan, Jiateng Pan, Yiming Ge, and Yu Zhan*
Author Affiliations
  • College of Sciences, Northeastern University, Shenyang, Liaoning 110819, China
  • show less
    Figures & Tables(11)
    Schematic diagrams of finite element model and arrangement of feature points. (a) Model meshing; (b) arrangement of feature points
    Temperature distributions at different time
    Node temperature varying with time when transition mode is from 100%TC4 to 100%TC11
    Distributions of Mises stress after cooling to room temperature and residual stress of each direction. (a) Mises stress; (b) stress along scanning direction; (c) stress along overlapping direction; (d) stress along deposition direction
    Stress varying with time of feature points along scanning direction
    Residual stress distribution curves of feature points at interface under different transition modes
    Relationship between average residual stress and TC11 content at interface under different transition modes
    • Table 1. Elastic modulus of gradient layer under different transition modes

      View table

      Table 1. Elastic modulus of gradient layer under different transition modes

      Component ratio of TC4 to TC11Temperature /℃
      2050100200300500800100012001500
      5∶5116114110103988573564423
      7∶3113111106100947968513817
      3∶71191171131081039077635132
    • Table 2. Specific heat capacity of gradient layer under different transition modes

      View table

      Table 2. Specific heat capacity of gradient layer under different transition modes

      Component ratio ofTC4 to TC11Temperature /℃
      2050100200300500800100012001500
      5∶5552559573607639708788845900981
      7∶3575581593625653706767809848906
      3∶75285375535886267098098819511056
    • Table 3. Transition modes and material composition of corresponding transition zone

      View table

      Table 3. Transition modes and material composition of corresponding transition zone

      Transition mode
      Transition zone 170% TC4, 30% TC1150% TC4, 50% TC11100% TC4
      Transition zone 230% TC4, 70% TC1150% TC4, 50% TC11100% TC11
    • Table 4. Peak temperatures of nodes for different transition modes℃

      View table

      Table 4. Peak temperatures of nodes for different transition modes℃

      Transition modeN1N2O2N3N4Mean temperature
      14221399148513271556~1438
      14111386145213161533~1420
      14451425151613321584~1460
    Tools

    Get Citation

    Copy Citation Text

    Peng Fan, Jiateng Pan, Yiming Ge, Yu Zhan. Finite Element Analysis of Residual Stress in TC4/TC11 Titanium Alloy Gradient Material Produced by Laser Additive Manufacturing[J]. Chinese Journal of Lasers, 2021, 48(18): 1802012

    Download Citation

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

    Category: laser manufacturing

    Received: Feb. 8, 2021

    Accepted: Apr. 15, 2021

    Published Online: Sep. 7, 2021

    The Author Email: Zhan Yu (zhanyu@mail.neu.edu.cn)

    DOI:10.3788/CJL202148.1802012

    Topics