1.广西民族大学 广西高校环境友好材料及碳中和新技术重点实验室 广西先进结构材料与碳中和重点实验室,南宁 530105
2.广西民族大学 材料与环境学院,南宁 530105
黎凡,男,1997年生,重庆人,在读硕士研究生;主要研究方向为增材制造;E-mail:1351845880@qq.com。
收稿:2024-01-20,
修回:2024-03-22,
纸质出版:2025-11-15
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黎凡,骆科彤,李嘉耀,等. TPMS原位杂化设计与承载性能[J]. 机械强度,2025,47(11):59-67.
LI Fan,LUO Ketong,LI Jiayao,et al. In-situ hybridization design and bearing capacity of TPMS[J]. Journal of Mechanical Strength,2025,47(11):59-67.
黎凡,骆科彤,李嘉耀,等. TPMS原位杂化设计与承载性能[J]. 机械强度,2025,47(11):59-67. DOI: DOI:10.16579/j.issn.1001.9669.2025.11.008.
LI Fan,LUO Ketong,LI Jiayao,et al. In-situ hybridization design and bearing capacity of TPMS[J]. Journal of Mechanical Strength,2025,47(11):59-67. DOI: DOI:10.16579/j.issn.1001.9669.2025.11.008.
三周期极小曲面(Triply Periodic Minimal Surface
TPMS)多孔结构具有良好的力学性能,且比表面积高,常用于结构设计中。但不同结构之间的杂化及杂化中参数对模型性能的影响未得到充分研究。基于此,对TPMS多孔结构的Diamond和Schwarz P模型进行原位杂化,分析了均偏角,并采用熔融沉积成型(Fused Deposition Modeling
FDM)制造了一种新型的Diamond/Schwarz P模型,探讨了不同杂化参数下模型的孔隙特性、压缩强度和变形行为。结果表明,不同杂化比例下Diamond/Schwarz P模型的承载性能呈非线性变化,其中原始Schwarz P模型的压缩强度为1.72 MPa,均偏角为48.48°,在以Schwarz P为主的模型中,3∶7的比例下模型表现出最佳承载性能,其压缩强度为2.17 MPa,均偏角为49.36°;原始Diamond模型的压缩强度为5.57 MPa,均偏角为52.06°,在以Diamond为主的模型中,8∶2的比例下模型表现出最佳承载性能,其压缩强度为6.05 MPa,均偏角为52.09°,但在6∶4与7∶3的比例下模型的承载性能出现降低,均偏角减小。在此基础上,用均偏角解释了不同模型承载性能存在差异的原因,并成功预测了8∶2比例下模型的承载性能最佳,论证了参数设计可以精准调节模型的承载性能这一结论。
TPMS porous structures possess excellent mechanical properties and high specific surface area
making them commonly applied in structural design. However
the hybridization between different structures and the effects of hybridization parameters on model performance remain insufficiently studied. Accordingly
the in-situ hybridization of Diamond and Schwarz P models within TPMS porous structures were conducted
and the mean deviation angle was analyzed. Additionally
a novel Diamond/Schwarz P model was fabricated using FDM
and the pore characteristics
compressive strength
and deformation behavior of the models under various hybridization parameters were explored. The results indicate that the bearing capacity of the Diamond/Schwarz P models exhibit nonlinear variation under different hybridization proportions. Specifically
the original Schwarz P model exhibits a compressive strength of 1.72 MPa and a mean deviation angle of 48.48°. Among models primarily based on Schwarz P
the model with a ratio of 3∶7 exhibits the best bearing capacity
with a compressive strength of 2.17 MPa and a mean deviation angle of 49.36°. The original Diamond model has a compressive strength of 5.57 MPa and a mean deviation angle of 52.06°. Among models primarily based on Diamond
the model with a ratio of 8∶2 exhibits the best bearing capacity
with a compressive strength of 6.05 MPa and a mean deviation angle of 52.09°. However
bearing capacity of models decrease at the ratio of 6∶4 and 7∶3
accompanied by a reduction of the mean deviation angle. On this basis
the reasons for differences in bearing capacity among different models were explained using the mean deviation angle
which successfully predicted that the model exhibits the best capacity at the ratio of 8∶2
thus demonstrating the conclusion that parameter design can accurately regulate the bearing capacity of the model.
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