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The influence of anisotropy in numerical modeling of orthogonal cutting of cortical bone

机译：各向异性对皮质骨正交切削数值模拟的影响

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摘要

Cutting operations in bone are involved in surgical treatments in orthopaedics and traumatology. The importance of guaranteeing the absence of damage in the living workpiece is equivalent in this case to ensuring surface quality. The knowledge in this field is really far from the expertise in industrial cutting of mechanical components. Modeling of bone cutting is a challenge strongly dependent on the accurate modeling of mechanical behaviour of the bone. This paper focuses on modeling of orthogonal cutting of cortical bone. The intrinsic anisotropic nature of the cortical bone that makes it comparable to a composite material is taken into account. The influence of anisotropy is analysed comparing this behaviour with an isotropic approach. It is shown that both chip morphology and temperature are affected by the anisotropy of the cortical bone that acts as a workpiece.
机译：骨的切割手术涉及骨科和创伤学的外科治疗。在这种情况下，保证活动工件中无损坏的重要性等同于确保表面质量。该领域的知识确实与机械零件的工业切削领域的专业知识相去甚远。骨骼切割的建模是一个挑战，很大程度上取决于骨骼机械行为的准确建模。本文着重于皮质骨正交切割的建模。考虑到使皮质骨与复合材料具有可比性的固有骨各向异性。分析了各向异性的影响，并与各向同性方法进行了比较。结果表明，芯片的形态和温度都受到充当工件的皮质骨的各向异性的影响。

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  • 来源
    《Composite Structures》 |2014年第sepaaocta期|423-431|共9页
  • 作者

    C. Santiuste; M. Rodriguez-Millan; E. Giner; H. Miguelez;

  • 作者单位

    Department of Continuum Mechanics and Structural Analysis, University Carlos Ⅲ of Madrid, Avda. de la Universidad 30, 28911 Leganes, Madrid, Spain;

    Department of Mechanical Engineering, University Carlos Ⅲ of Madrid, Avda. de la Universidad 30, 28911 Leganes, Madrid, Spain;

    Department of Mechanical and Materials Engineering (CITV), Universitat Politecnica de Valencia, Camino de Vera, 46022 Valencia, Spain;

    Department of Mechanical Engineering, University Carlos Ⅲ of Madrid, Avda. de la Universidad 30, 28911 Leganes, Madrid, Spain;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Cortical bone; Orthogonal cutting; FE modeling; Temperature; Chip morphology;

    机译：皮质骨正交切割;有限元建模;温度;芯片形态;

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