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Acta Optica Sinica, Volume. 41, Issue 16, 1606001(2021)

Temperature Distribution Characteristics of Polylactic Acid in Additive Manufacturing Based on Optical Frequency Domain Reflectometry

Jinsheng Huang1,2,3, Chengyu Hong1,2,3,4、*, Qiang Yang1,3, and Xiaohui Sun1,2,3,4
Author Affiliations
  • 1College of Civil and Transportation Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China
  • 2Shenzhen Key Laboratory of Green, Efficient and Intelligent Construction of Metro Underground Metro Station, Shenzhen, Guangdong 518060, China
  • 3Underground Polis Academy, Shenzhen University, Shenzhen, Guangdong 518060, China
  • 4Key Laboratory for Resilient Infrastructures of Coastal Cities (Shenzhen University), Ministry of Education, Shenzhen, Guangdong 518060, China
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    Figures & Tables(8)
    OFDR working principles. (a) OFDR fundamental principle; (b) OFDR sensing principle

    Fig. 1. OFDR working principles. (a) OFDR fundamental principle; (b) OFDR sensing principle

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    3D printing model. (a) 3D printing process; (b) physical maps for different filling densities; (c) internal structure of printed model

    Fig. 2. 3D printing model. (a) 3D printing process; (b) physical maps for different filling densities; (c) internal structure of printed model

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    Characteristic curve of manufacturing process

    Fig. 3. Characteristic curve of manufacturing process

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    Curves of temperature change of PLA at different density during AM process. (a) 20%; (b) 40%; (c) 60%; (d) 80%; (e) 100%

    Fig. 4. Curves of temperature change of PLA at different density during AM process. (a) 20%; (b) 40%; (c) 60%; (d) 80%; (e) 100%

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    Sudden increase in temperature at stage I at different densities

    Fig. 5. Sudden increase in temperature at stage I at different densities

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    Curves of relationship among position, temperature change, and density of peak point at stage Ⅲ for different densities

    Fig. 6. Curves of relationship among position, temperature change, and density of peak point at stage Ⅲ for different densities

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    Curves of relationship among position, temperature change, and density of completion point at stage Ⅳ for different densities

    Fig. 7. Curves of relationship among position, temperature change, and density of completion point at stage Ⅳ for different densities

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    Inflection point of temperature change curve of completion point for stage IV at different densities and average temperature loss rate at different densities

    Fig. 8. Inflection point of temperature change curve of completion point for stage IV at different densities and average temperature loss rate at different densities

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    Jinsheng Huang, Chengyu Hong, Qiang Yang, Xiaohui Sun. Temperature Distribution Characteristics of Polylactic Acid in Additive Manufacturing Based on Optical Frequency Domain Reflectometry[J]. Acta Optica Sinica, 2021, 41(16): 1606001

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Jan. 27, 2021

    Accepted: Mar. 18, 2021

    Published Online: Aug. 12, 2021

    The Author Email: Hong Chengyu (cyhong@szu.edu.cn)

    DOI:10.3788/AOS202141.1606001

    Topics

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