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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
- 805 - 812 (8page)
- DOI
- 10.7736/JKSPE.023.071
이용수
초록· 키워드
오류제보하기
Recently, the demand for lightweight open-pore lattice structures with specific stiffness is increasing in many fields, such as the aeronautical, automotive, mechanical and bone tissue engineering sectors. For each concrete application, there is a need to predict its mechanical properties precisely and efficiently. There are several methods used to analyze the mechanical properties of lattice structures. Among them, the asymptotic expansion homogenization method is a more advantageous approach over the experimental, theoretical, and finite element methods, because it handles some of their limitations such as the time-consuming process, size effect, and the high amount of computational resources needed. Therefore, in this work, we use the asymptotic expansion homogenization method to perform a systematic parametric study to calculate the effective stiffness of different open-pore lattice structures. In addition, the designed models were fabricated using an SLA 3D printer, and the effective stiffness of the fabricated specimens was tested via UTM experiment to validate the numerical results computed by the asymptotic expansion homogenization method. Consequently, it was proved that this method is precise and effective for predicting the mechanical properties of lattice structures.
목차
1. Introduction
2. Design and Fabrication of Unit-cell
3. Results
4. Discussion
5. Conclusion
REFERENCES
참고문헌 (36)
참고문헌 신청
Liu, Z., Liu, P., Huang, W., Wong, W. H., Commillus, A. L., Zhang, Y.-W., (2018), A nanolattice-plate hybrid structure to achieve a nearly linear relation between stiffness/strength and density, Materials & Design, 160, 496-502.
Hu, Z., Thiyagarajan, K., Bhusal, A., Letcher, T., Fan, Q. H., Liu, Q., Salem, D., (2017), Design of ultra-lightweight and highstrength cellular structural composites inspired by biomimetics, Composites Part B: Engineering, 121, 108-121.
Lei, H., Li, C., Meng, J., Zhou, H., Liu, Y., Zhang, X., Wang, P., Fang, D., (2019), Evaluation of compressive properties of SLMfabricated multi-layer lattice structures by experimental test and μ-CT-based finite element analysis, Materials & Design, 169,
Tancogne-Dejean, T., Mohr, D., (2018), Elastically-isotropic elementary cubic lattices composed of tailored hollow beams, Extreme Mechanics Letters, 22, 13-18.
Tancogne-Dejean, T., Mohr, D., (2018), Elastically-isotropic truss lattice materials of reduced plastic anisotropy, International Journal of Solids and Structures, 138, 24-39.
Hu, Z., Thiyagarajan, K., Bhusal, A., Letcher, T., Fan, Q. H., Liu, Q., Salem, D., (2017), Design of ultra-lightweight and highstrength cellular structural composites inspired by biomimetics, Composites Part B: Engineering, 121, 108-121.
Lei, H., Li, C., Meng, J., Zhou, H., Liu, Y., Zhang, X., Wang, P., Fang, D., (2019), Evaluation of compressive properties of SLMfabricated multi-layer lattice structures by experimental test and μ-CT-based finite element analysis, Materials & Design, 169,
Tancogne-Dejean, T., Mohr, D., (2018), Elastically-isotropic elementary cubic lattices composed of tailored hollow beams, Extreme Mechanics Letters, 22, 13-18.
Tancogne-Dejean, T., Mohr, D., (2018), Elastically-isotropic truss lattice materials of reduced plastic anisotropy, International Journal of Solids and Structures, 138, 24-39.
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