3D打印自就位钛网的仿真分析及实验研究

doi:10.19438/j.cjoms.2023.05.002

中国口腔颌面外科杂志 ›› 2023, Vol. 21 ›› Issue (5): 432-438.doi: 10.19438/j.cjoms.2023.05.002

3D打印自就位钛网的仿真分析及实验研究

张佳园^1#, 于德栋^2#, 冀敏³, 林海燕¹

1.杭州医学院存济口腔医学院,杭州浙江 310012;
2.上海交通大学医学院附属第九人民医院口腔第二门诊部,上海交通大学口腔医学院,国家口腔医学中心,国家口腔疾病临床医学研究中心,上海市口腔医学重点实验室,上海市口腔医学研究所,上海 201999;
3.青岛理工大学机械与汽车工程学院,摩擦学与表面工程实验室,山东青岛 266400

收稿日期:2023-03-19 修回日期:2023-05-25 出版日期:2023-09-20 发布日期:2023-10-11
通讯作者: 林海燕,E-mail: lhaiyanlily@163.com
作者简介:张佳园（1996-）,女,在读硕士研究生,住院医师,E-mail：zjyhangzhou2022@163.com;于德栋（1983-）,男,博士,副主任医师,E-mail：yudedong@sjtu.edu.cn。^#并列第一作者
基金资助:
国家自然科学基金（52175422,32101094）; 上海市卫生健康委员会卫生行业临床研究专项（202240194）; 上海交通大学医学院附属第九人民医院“交叉”研究基金项目（JYJC202114）

Simulation analysis and experimental research of 3D printing self-positioning titanium mesh

ZHANG Jia-yuan¹, YU De-dong², JI Min³, LIN Hai-yan¹

1. Cunji College of Stomatology,Hangzhou Medical College. Hangzhou 310012, Zhejiang Province;
2. Second Dental Center, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine; College of Stomatology, Shanghai Jiao Tong University; National Center for Stomatology; National Clinical Research Center for Oral Diseases; Shanghai Key Laboratory of Stomatology; Shanghai Research Institute of Stomatology. Shanghai 201999;
3. Tribology and Surface Engineering Laboratory, School of Mechanical and Automotive Engineering, Qingdao University of Technology. Qingdao 266400, Shandong Province, China

Received:2023-03-19 Revised:2023-05-25 Online:2023-09-20 Published:2023-10-11

摘要/Abstract

摘要： 目的：建立有效的标准化自就位钛网仿真模型,进行断裂仿真分析,验证三维打印自就位个性化钛网的应用可行性。方法：基于三维建模软件SolidWorks,构建标准化自就位钛网模型,重点关注钛网两端与定位翼连接处的细节特征。利用仿真软件ANSYS Workbench对上述标准化自就位钛网模型进行断裂仿真分析,包括形变、应变和应力。三维打印标准化自就位钛网并进行力学性能试验。将断裂仿真分析结果与力学性能试验结果进行比较,以证实仿真模型建立的有效性;并根据结果,客观评价自就位个性化钛网设计的合理性以及临床应用的可行性。结果：力学试验结果和仿真结果基本一致,误差在13.4%~14.5%之间。断裂仿真结果显示,当钛网承受40 N的垂直载荷时,最大等效总应变为4.275 2e-003;当对定位翼施加45°弯折力时,最大等效总应变为1.133 4e-002,小于TC4钛合金材料的断裂应变（0.17）。最大变形量分别为0.190 55 mm和1.111 80 mm。结论：建立的标准化自就位钛网仿真模型具有有效性。对模型的断裂仿真结果深入分析,发现在钛网使用过程中,当承受来自不同方向的40 N载荷时,不会导致连接处断裂或过度变形,并且最大变形量处于可接受范围内,提示自就位个性化钛网具有较强的可行性。

关键词: 个性化钛网, 自就位, 断裂仿真分析, 有限元分析, 设计方法

Abstract: PURPOSE: To validate the feasibility of 3D printing self-positioning individual titanium mesh, establish an efficient standardized self-positioning titanium mesh simulation model and perform fracture simulation analysis. METHODS: A standard self-positioning titanium mesh model was built by using 3D modeling design software SolidWorks. The details of the connection between the two ends of the titanium mesh and the locating wing were highlighted. Simulation software ANSYS Workbench was used to conduct fracture simulation analysis on the standardized self-positioning titanium mesh model indicated above, including deformation, strain, stress. Self-positioning titanium mesh for 3D printing was standardized and mechanical performance tests were performed. To verify the viability of the simulation model establishment, compare the fracture simulation analysis results were compared with mechanical performance test results, and the rationality of the self-positioning titanium mesh design and the feasibility of clinical application based on the results were further objectively evaluated. RESULTS: The mechanical test results were basically consistent with the simulation results, with an error of 13.4%-14.5%. According to the results of fracture simulation, the maximum equivalent total strain for a 40 N vertical load on titanium mesh was 4.275 2e-003; for a 45°bending force on the locating wing, the maximum equivalent total strain was 1.133 4e-002, less than the fracture strain (0.17) for TC4 titanium alloy material. In both cases, the maximum deformation was 0.190 55 mm and 1.111 80 mm. CONCLUSIONS: It is successful to create a standard self-positioning titanium mesh simulation model. An extensive analysis of the model's fracture simulation results revealed that titanium mesh would not fracture or deform excessively at the connection when subjected to a 40 N load coming from different directions, and the maximum deformation was within acceptable limits. Strong practicality exists for self-positioning individual titanium mesh.

Key words: Individuation titanium mesh, Self-positioning, Fracture simulation analysis, Finite element analysis, Design method

中图分类号:

R782

张佳园, 于德栋, 冀敏, 林海燕. 3D打印自就位钛网的仿真分析及实验研究[J]. 中国口腔颌面外科杂志, 2023, 21(5): 432-438.

ZHANG Jia-yuan, YU De-dong, JI Min, LIN Hai-yan. Simulation analysis and experimental research of 3D printing self-positioning titanium mesh[J]. China J Oral Maxillofac Surg, 2023, 21(5): 432-438.

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3D打印自就位钛网的仿真分析及实验研究

Simulation analysis and experimental research of 3D printing self-positioning titanium mesh

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