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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Vol.40 No.10
- 발행연도
- 2023.10
- 수록면
- 787 - 796 (10page)
- DOI
- 10.7736/JKSPE.023.076
이용수
초록· 키워드
오류제보하기
In this study, based on directed energy deposition (DED) technology, one of the additive manufacturing technologies, a porous material fabricated by mixing various aluminum alloys and foaming agent was manufactured. First, the foaming agent formed pores inside the deposited materials and differences in foaming characteristics were observed depending on the type of aluminum. Also, the foaming characteristics according to the laser power, which is a representative process variable, were analyzed. As a result, a closed-cell porous material with a maximum porosity at a laser power of 1,100 W was manufactured. Results of the compression test showed that the porous material made by the pores generated therein collapses to absorb energy, and the internal pores disappear to become high density. Therefore, Young’s modulus and yield stress were reduced by the pores inside the sample of pure aluminum and Al6063. However, it was found that the specific energy absorption, which is an advantage of the foamed materials, increased compared to non-porous materials. The findings of this study confirmed that it was possible to manufacture DED-applied foam materials using aluminum powder and a foaming agent.
목차
1. 서론
2. 실험 방법
3. 발포 적층 실험 결과
4. 기계적 특성
5. 결론
REFERENCES
참고문헌 (28)
참고문헌 신청
DebRoy, T., Wei, H., Zuback, J., Mukherjee, T., Elmer, J., Milewski, J., Beese, A. M., Wilson-Heid, A. d., De, A., Zhang, W., (2018), Additive manufacturing of metallic components-process, structure and properties, Progress in Materials Science, 92, 112-2
Zhu, Z., Hu, Z., Seet, H. L., Liu, T., Liao, W., Ramamurty, U., Nai, S. M. L., (2023), Recent progress on the additive manufacturing of aluminum alloys and aluminum matrix composites: Microstructure, properties, and applications, International Journal of
Shinjo, J., Panwisawas, C., (2022), Chemical species mixing during direct energy deposition of bimetallic systems using titanium and dissimilar refractory metals for repair and biomedical applications, Additive Manufacturing, 51, 102654.
Li, B., Han, C., Lim, C. W. J., Zhou, K., (2022), Interface formation and deformation behaviors of an additively manufactured nickel-aluminum-bronze/15-5 PH multimaterial via laser-powder directed energy deposition, Materials Science and Engineering: A, 8
Dinda, G. P., Dasgupta, A. K., Mazumder, J., (2009), Laser aided direct metal deposition of Inconel 625 superalloy: Microstructural evolution and thermal stability, Materials Science and Engineering: A, 509(1-2), 98-104.
Zhu, Z., Hu, Z., Seet, H. L., Liu, T., Liao, W., Ramamurty, U., Nai, S. M. L., (2023), Recent progress on the additive manufacturing of aluminum alloys and aluminum matrix composites: Microstructure, properties, and applications, International Journal of
Shinjo, J., Panwisawas, C., (2022), Chemical species mixing during direct energy deposition of bimetallic systems using titanium and dissimilar refractory metals for repair and biomedical applications, Additive Manufacturing, 51, 102654.
Li, B., Han, C., Lim, C. W. J., Zhou, K., (2022), Interface formation and deformation behaviors of an additively manufactured nickel-aluminum-bronze/15-5 PH multimaterial via laser-powder directed energy deposition, Materials Science and Engineering: A, 8
Dinda, G. P., Dasgupta, A. K., Mazumder, J., (2009), Laser aided direct metal deposition of Inconel 625 superalloy: Microstructural evolution and thermal stability, Materials Science and Engineering: A, 509(1-2), 98-104.
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