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Laser & Optoelectronics Progress, Volume. 56, Issue 2, 021601(2019)

Generation Algorithm of Subarea Annular Scan Paths for Laser Deposition Forming

Hongyou Bian1、*, Shigang Zuo1, Shen Qu2, Guang Yang1, Wei Wang1, and Wei Wang1
Author Affiliations
  • 1 Key Laboratory of Fundamental Science for National Defense of Aeronautical Digital Manufacturing Process, Shenyang Aerospace University, Shenyang, Liaoning 110136, China
  • 2 Welding Research Institute, Shenyang Liming Aero-Engine Corporation LTD, AECC, Shenyang, Liaoning 110043, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
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    References (17)
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    Figures & Tables(9)
    Schematic of scan mode

    Fig. 1. Schematic of scan mode

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    Scan results under different scan modes. (a) Continuous scan; (b) subarea sequential scan; (c) subarea interval scan

    Fig. 2. Scan results under different scan modes. (a) Continuous scan; (b) subarea sequential scan; (c) subarea interval scan

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    Surface outline

    Fig. 3. Surface outline

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    Subarea algorithm based on extreme point search within scan line limit length threshold

    Fig. 4. Subarea algorithm based on extreme point search within scan line limit length threshold

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    Surface outline subarea

    Fig. 5. Surface outline subarea

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    Endpoint offset algorithm

    Fig. 6. Endpoint offset algorithm

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    Algorithm for generating subarea adaptive annular scanning paths

    Fig. 7. Algorithm for generating subarea adaptive annular scanning paths

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    Optimization algorithm of subarea scan sequence. (a) Scan area; (b) optimized scan sequence

    Fig. 8. Optimization algorithm of subarea scan sequence. (a) Scan area; (b) optimized scan sequence

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    • Table 1. Measurement results of residual stressMPa

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      Table 1. Measurement results of residual stressMPa

      Scan modeM1M2M3M4Average
      σxσyσxσyσxσyσxσyσxσy
      Continuous scan-294-128-289-125-387-167-346-142-320-141
      Subarea sequential scan-212-86-175-77-246-123-209-101-211-97
      Subarea interval scan-166-90-148-65-209-104-169-78-173-84
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    Hongyou Bian, Shigang Zuo, Shen Qu, Guang Yang, Wei Wang, Wei Wang. Generation Algorithm of Subarea Annular Scan Paths for Laser Deposition Forming[J]. Laser & Optoelectronics Progress, 2019, 56(2): 021601

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    Paper Information

    Category: Materials

    Received: May. 30, 2018

    Accepted: Jul. 26, 2018

    Published Online: Aug. 1, 2019

    The Author Email: Bian Hongyou (bhy@sia.cn)

    DOI:10.3788/LOP56.021601

    Topics

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