中国科学院长春光学精密机械与物理研究所

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	Novel femur-like multimodal ultrahigh strength structure with superb freedom based on the improvement strategy of curvature fabricated by additive manufacturing
	R. Liu; G. Yao; Z. Xu; Y. Liu; Z. Yu; L. ping; Z. Zhang; C. Han and Y. Guo
	2023
发表期刊	Materials and Design
ISSN	02641275
卷号	231
摘要	Based on the microstructure of biological femur, the femur-like multimodal surface structures are designed. But they exhibit fracture behavior when the porosity changes, resulting in structural failure. The high curvature surface factor is introduced to improve the fracture behavior of the biomimetic surface structure. Combine the high curvature surface factor to construct novel biomimetic homogenized surface structures. Novel radial gradient surface structures and axial gradient surface structures are designed based on the construction concept of cone functions and linear functions gradients. Theoretical, experimental and numerical methods are used to investigate the mechanical properties of novel biomimetic multimodal surface structures. Euler theory states that the properties of lattice structures are determined by the relative density of structures. The load distribution in the radially gradient structure is uniform, and the deformation mode presents overall failure, which can achieve better resistance and dissipation of the load. The deformation modes of axial gradient structures present layered failure. The underlying mechanism of the difference in mechanical properties of biomimetic multimodal structures is explained in detail. It's very important significance for targeted application in protective engineering. © 2023 The Authors
DOI	10.1016/j.matdes.2023.112018
URL	查看原文
收录类别	sci ; ei
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67711
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	R. Liu,G. Yao,Z. Xu,et al. Novel femur-like multimodal ultrahigh strength structure with superb freedom based on the improvement strategy of curvature fabricated by additive manufacturing[J]. Materials and Design,2023,231.
APA	R. Liu.,G. Yao.,Z. Xu.,Y. Liu.,Z. Yu.,...&C. Han and Y. Guo.(2023).Novel femur-like multimodal ultrahigh strength structure with superb freedom based on the improvement strategy of curvature fabricated by additive manufacturing.Materials and Design,231.
MLA	R. Liu,et al."Novel femur-like multimodal ultrahigh strength structure with superb freedom based on the improvement strategy of curvature fabricated by additive manufacturing".Materials and Design 231(2023).

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