利用数字图像相关分析表征超声辅助骨正交切割

IF 2.4 3区 工程技术 Q3 ENGINEERING, MANUFACTURING Journal of Manufacturing Science and Engineering-transactions of The Asme Pub Date : 2023-07-11 DOI:10.1115/1.4062942
W. Bai, Yuhao Zhai, Jiaqi Zhao, Xuzhe Jia, Guangchao Han, Liming Shu, Dong Wang, Jianfeng Xu
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引用次数: 0

摘要

具有高性能材料去除的骨切割对于加强骨科手术至关重要。超声波辅助切割(UAC)是一种先进的工艺,有可能改善材料的去除。然而,由于缺乏合适的测量方法,尤其是对于高频振动辅助切割,骨切割中的应变和其他中间变量很难获得。在本研究中,首次应用数字图像相关(DIC)分析来研究传统切割(CC)和超声辅助切割皮质骨过程中裂纹发展的机制。还提出了一种计算混合骨折模式下的切削力和推力的新方法。广泛的实验结果表明,应用UAC后,皮质骨的平均应变和应变速率降低,但UAC的最大瞬态应变速率大于CC,UAC的裂纹影响面积和剪切带宽度小于CC。此外,通过DIC分析获得的应变参数用于计算混合断裂模式下的切削力和推力。力的计算值与测量结果吻合良好,表明DIC在正交骨切削研究中的应用具有很强的可行性。该研究揭示了UAC中皮质骨的骨折机制,展示了一种非接触式全场测量组织应变的方法,并为创新骨科器械的优化设计提供了启示,因此具有重要的理论和实践价值。
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Characterization of ultrasonically assisted orthogonal cutting of bone using digital image correlation analysis
Bone cutting with high performance material removal is critical for enhancing orthopedic surgery. Ultrasonically assisted cutting (UAC) is an advanced process with the potential to improve the material removal. However, strain and other intermediate variables in bone cutting are difficult to obtain because of the lack of suitable measurement methods, especially for high-frequency vibration-assisted cutting. In this study, digital image correlation (DIC) analysis was applied for the first time to investigate the mechanism of crack development during conventional cutting (CC) and ultrasonically assisted cutting of cortical bone. A novel method for calculating cutting and thrust forces under the mixed fracture mode of bone was also proposed. Extensive experimental results showed that the average strain and strain rate of cortical bone decreased after the application of UAC, but the maximum transient strain rate in UAC was greater than that in CC, and the crack-affected area and shear band width in UAC were smaller than those in CC. In addition, the strain parameters obtained by the DIC analysis were used to calculate the cutting and thrust forces in the hybrid fracture mode. The calculated values of forces matched well with the measured results, indicating the strong feasibility of DIC applications in orthogonal bone cutting research. This study has significant theoretical and practical value since it reveals the fracture mechanism of cortical bone in UAC, demonstrates a non-contact full-field measurement method for tissue strain calculation, and provides inspiration for optimizing the design of innovative orthopedic instruments.
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来源期刊
CiteScore
6.80
自引率
20.00%
发文量
126
审稿时长
12 months
期刊介绍: Areas of interest including, but not limited to: Additive manufacturing; Advanced materials and processing; Assembly; Biomedical manufacturing; Bulk deformation processes (e.g., extrusion, forging, wire drawing, etc.); CAD/CAM/CAE; Computer-integrated manufacturing; Control and automation; Cyber-physical systems in manufacturing; Data science-enhanced manufacturing; Design for manufacturing; Electrical and electrochemical machining; Grinding and abrasive processes; Injection molding and other polymer fabrication processes; Inspection and quality control; Laser processes; Machine tool dynamics; Machining processes; Materials handling; Metrology; Micro- and nano-machining and processing; Modeling and simulation; Nontraditional manufacturing processes; Plant engineering and maintenance; Powder processing; Precision and ultra-precision machining; Process engineering; Process planning; Production systems optimization; Rapid prototyping and solid freeform fabrication; Robotics and flexible tooling; Sensing, monitoring, and diagnostics; Sheet and tube metal forming; Sustainable manufacturing; Tribology in manufacturing; Welding and joining
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