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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국진공학회(ASCT) Applied Science and Convergence Technology Applied Science and Convergence Technology Vol.27 No.6
- 발행연도
- 2018.11
- 수록면
- 113 - 119 (7page)
- DOI
- 10.5757/ASCT.2018.27.6.113
이용수
초록· 키워드
오류제보하기
Selective laser melting (SLM) is a promising additive manufacturing technique applied to various areas such as aerospace and biomedical industries. Because product characteristics can be controlled by SLM process parameters, several investigations have been conducted to clarify the relationship between process parameters and product characteristics. Melt pool, controlled by process parameters, is a suitable resource to determine the product profile accuracy and mechanical property. Two laser types, continuous wave (CW) and pulse width modulation (PWM), are typically used in SLM processes, and each has distinct advantages depending on the purpose of the process. While CW maintains its power constant, PWM presents a repeated pattern with a pulse width. Herein, the main differences in the process parameters between the two laser types and their effects on the melt pool formation during the SLM process are explained. The results demonstrate that CW and PWM are favorable for dense and fine structures, respectively.
목차
Abstract
Ⅰ. Introduction
Ⅱ. Selective laser melting parameters
Ⅲ. Melt pool dimension
Ⅳ. Conclusion
References
참고문헌 (43)
참고문헌 신청
M. Brandt, Laser Additive Manufacturing: Materials, Design, Technologies, and Applications (Woodhead Publishing, Swaston, Cambridge, UK, 2017), pp. 1-18.
B. Vandenbroucke and J. P. Kruth, Rapid Prototyp. J. 13, 196 (2007).
L. Thijs, K. Kempen, J. P. Kruth, and J. Van Humbeeck, Acta Mater. 61, 1809 (2013).
J. P. Kruth, M. C. Leu, and T. Nakagawa, CIRP Annals 47, 525 (1998).
D. Ding, Z. Pan, D. Cuiuri, and H. Li, Int. J. Adv. Manuf. Tech. 81, 465 (2015).
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