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Effect of Laser Power Feedback Control on Mechanical Properties of Stainless Steel Part Built by Direct Energy Deposition
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DED 금속 3차원 프린팅의 레이저 파워 피드백 제어에 따른 적층 물성 연구

논문 기본 정보

Type
Academic journal
Author
ChiYen Kim (한국폴리텍대학 청주캠퍼스) JiSung Kim (경북대학교) Ho Lee (경북대학교) MinKyu Park (영남이공대학교) SungWook Kim (포항산업과학연구원) SeongSeon Shin (경북대학교) JunHo Hwang (경북대학교) HyunDeok Kim (경북대학교)
Journal
The Korean Welding & Joining Society Journal of Welding and Joining Vol.38 No.2 KCI Accredited Journals
Published
2020.4
Pages
197 - 202 (6page)

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Effect of Laser Power Feedback Control on Mechanical Properties of Stainless Steel Part Built by Direct Energy Deposition
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Abstract· Keywords

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This study conducted a comparative analysis of laser power feedback control by measuring the melting pool size and temperature in the Directed Energy Deposition (DED) of SUS316L, to identify the effect of a conventional melting pool monitoring system on 3D metal printing performance. In the study, a CLAMIR was used on a developing 3D metal printer to control the laser beam power by measuring the size and temperature of the melting pool using an IR camera. Test parts were built from same CAD model but under different conditions, specifically, with CLAMIR on and off. The parts were investigated three ways: by 3D scanning to measure geometric errors, CT scanning to look into pore creation and distribution, and tensile tests to analyze mechanical performance.
#Direct energy deposition #Metal 3D printing #DED monitoring system

Contents

Abstract
1. 서론
2. DED Metal 3D printing
3. 실험방법
4. 실험 결과고찰
5. 결론
References

References (13)

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P. Michael / 3D Printed Jet Engine certified for use, GE CONCEPT Laser Deal Update, 3D Printing Industry new / Aerospace google schola GE Additive / New manufacturing milestone: 30,000 additive fuel nozzles / GE Addtive Stories google schola 황준호 / 2016 / 금속 분말의 레이저 적층 시 표면 및 단면 특성에 관한 연구 / 대한용접접합학회지 34(4):17~22 dbpia Zhong Yang Chua / 2017 / Process Monitoring and Inspection Systems in Metal Additive Manufacturing: Status and Applications / International Journal of Precision Engineering and Manufacturing-Green Technology 4(2):235~245 google schola Q. Y. Lu / 2018 / Additive manufacturing process monitoring and control by non-destructive testing techniques: challenges and in-process monitoring / Virtual and Phys. Prototyp 13(2):39~48 google schola

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UCI(KEPA) : I410-ECN-0101-2020-581-000580783