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Laser & Optoelectronics Progress, Volume. 60, Issue 23, 2314003(2023)

Effect of TiB2 Content on Microstructure and Properties of in-situ TiB/Ti6Al4V Composites

Weidong Huang1,2,3, Yitao Zhu2,3, Xu Huang1,2,3、*, Lu Wang2,3, and Xuheng Cheng2,3
Author Affiliations
  • 1Fujian Key Laboratory of Intelligent Machining Texchnology and Equipment (Fujian University of Technology), Fuzhou 350118, Fujian, China
  • 2Advanced Manufacturing Productivity Promotion Center of Fujian Province, Fuzhou 350118, Fujian, China
  • 3Academy of Mechanical and Automotive Engineering, Fujian University of Technology, Fuzhou 350118, Fujian, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (16)
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    References (23)
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    Figures & Tables(16)
    Micrographs of powders with different mass fractions of TiB2. (a) 0; (b) 1%; (c) 3%; (d) 5%

    Fig. 1. Micrographs of powders with different mass fractions of TiB2. (a) 0; (b) 1%; (c) 3%; (d) 5%

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    XRD results of composite powders. (a) XRD analysis results of TiB2/Ti6Al4V composite powders with different TiB2 additions and TiB2 powders; (b) XRD analysis results of TiB/Ti6Al4V samples produced with different TiB2 additions

    Fig. 2. XRD results of composite powders. (a) XRD analysis results of TiB2/Ti6Al4V composite powders with different TiB2 additions and TiB2 powders; (b) XRD analysis results of TiB/Ti6Al4V samples produced with different TiB2 additions

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    Ti-B binary phase diagram

    Fig. 3. Ti-B binary phase diagram

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    TiB/Ti6Al4V with different TiB2 additions. (a) 0; (b) 1%; (c) 3%; (d) 5%

    Fig. 4. TiB/Ti6Al4V with different TiB2 additions. (a) 0; (b) 1%; (c) 3%; (d) 5%

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    High-magnification electron micrographs of TiB/Ti6Al4V with different TiB2 additions. (a) 1%; (b) 3%; (c) 5%

    Fig. 5. High-magnification electron micrographs of TiB/Ti6Al4V with different TiB2 additions. (a) 1%; (b) 3%; (c) 5%

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    Densities of TiB/Ti6Al4V samples with different TiB2 additions

    Fig. 6. Densities of TiB/Ti6Al4V samples with different TiB2 additions

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    Cross sections of TiB/Ti6Al4V samples with different TiB2 additions. (a) 0; (b) 1%; (c) 3%; (d) 5%

    Fig. 7. Cross sections of TiB/Ti6Al4V samples with different TiB2 additions. (a) 0; (b) 1%; (c) 3%; (d) 5%

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    Images of unmelted particles. (a) Unmelted particles; (b) unmelted particle interface

    Fig. 8. Images of unmelted particles. (a) Unmelted particles; (b) unmelted particle interface

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    Sample cracks.(a) Low energy density S3 sample crack; (b) low energy density S5 sample crack; (c) low energy density S5 sample; (d) warped S5 sample crack; (e) warped S5 sample; (f) S5 sample fine cracks

    Fig. 9. Sample cracks.(a) Low energy density S3 sample crack; (b) low energy density S5 sample crack; (c) low energy density S5 sample; (d) warped S5 sample crack; (e) warped S5 sample; (f) S5 sample fine cracks

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    Microhardness of TiB/Ti6A4lV samples with different TiB2 additions

    Fig. 10. Microhardness of TiB/Ti6A4lV samples with different TiB2 additions

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    Friction performances of TiB/Ti6Al4V samples with different TiB2 additions. (a) Friction coefficient; (b) friction depth

    Fig. 11. Friction performances of TiB/Ti6Al4V samples with different TiB2 additions. (a) Friction coefficient; (b) friction depth

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    Wear traces of TiB/Ti6Al4V samples with different TiB2 additions. (a) 0; (b) 1%; (c) 3%; (d) 5%

    Fig. 12. Wear traces of TiB/Ti6Al4V samples with different TiB2 additions. (a) 0; (b) 1%; (c) 3%; (d) 5%

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    • Table 1. Process parameters

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      Table 1. Process parameters

      Experimental factorExperimental parameter
      Laser power /W255 275 295 315 335
      Scanning speed /（mm·s-1）300 500 700 900 1100

    • Table 2. EDS point scans at selected locations of SEM

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      Table 2. EDS point scans at selected locations of SEM

      Serial number of pointsAtomic fraction of element /%
      BTi
      Ⅰ41.358.7
      Ⅱ45.654.4
      Ⅲ42.657.4

    • Table 3. EDS point scans at selected locations of SEM

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      Table 3. EDS point scans at selected locations of SEM

      Serial number of points
      ⅠⅡⅢⅣⅤ
      B63324316
      Ti204135147141213

    • Table 4. Comparison of microhardness of TiB2/Ti-6Al-4V composites with different contents prepared by SLM

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      Table 4. Comparison of microhardness of TiB2/Ti-6Al-4V composites with different contents prepared by SLM

      MaterialMethodMicrohardness /HVReference
      Ti6Al4VSLM336.80±6.64This work
      1%TiB2/Ti6Al4VSLM410.77±8.49This work
      3%TiB2/Ti6Al4VSLM430.60±11.45This work
      5%TiB2/Ti6Al4VSLM498.07±12.56This work
      Ti6Al4VSLM390±2［16］
      1.18%TiB2/Ti6Al4VSLM444±5［16］
      2.94%TiB2/Ti6Al4VSLM488±4［16］
      Ti6Al4VSLM440.765［17］
      1%TiB2/Ti6Al4VSLM468.752［17］
      3%TiB2/Ti6Al4VSLM524.387［17］
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    Weidong Huang, Yitao Zhu, Xu Huang, Lu Wang, Xuheng Cheng. Effect of TiB2 Content on Microstructure and Properties of in-situ TiB/Ti6Al4V Composites[J]. Laser & Optoelectronics Progress, 2023, 60(23): 2314003

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Oct. 7, 2022

    Accepted: Dec. 23, 2022

    Published Online: Dec. 8, 2023

    The Author Email: Xu Huang (huangxu@fjut.edu.cn)

    DOI:10.3788/LOP222681

    Topics

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