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Machining FEM model of long fiber composites for aeronautical components

机译:航空零部件长纤维复合材料的加工有限元模型

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摘要

This work is focused on the study of orthogonal cutting of long fiber composites. A model based in finite element was developed. The mechanisms of chip formation of Glass and Carbon Fiber Reinforced Polymer (FRP) composites were analyzed. Significant differences were observed when comparing machining induced damage predicted with the model for both materials. While damage extended widely ahead the interface and beneath the tool tip in the case of GFRP, damage was located in a much smaller zone in the case CFRP. The fiber orientation influences both the mechanism of chip formation and the induced subsurface damage.
机译:这项工作专注于长纤维复合材料的正交切割研究。建立了基于有限元的模型。分析了玻璃和碳纤维增强聚合物(FRP)复合材料的切屑形成机理。当比较两种材料的模型预测的加工引起的损伤时,观察到显着差异。在GFRP的情况下,虽然损伤扩展到界面的前方和刀尖下方,但在CFRP的情况下,损伤位于较小的区域。纤维取向既影响切屑形成的机制,又影响所引起的地下损伤。

著录项

  • 来源
    《Composite Structures》 |2010年第3期|691-698|共8页
  • 作者单位

    Department of Continuum Mechanics and Structural Analysis, University Carlos III of Madrid, Avda. lie 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 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

    machining induced damage; aeronautical components; orthogonal cutting; LFRP composite;

    机译:加工引起的损坏;航空部件;正交切割LFRP复合材料;

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