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Drilling tool geometry evaluation for reinforced composite laminates

机译：增强复合材料层压板的钻具几何评估

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摘要

In this work, a comparative study on different drill point geometries and feed rate for composite laminates drilling is presented. For this goal, thrust force monitoring during drilling, hole wall roughness measurement and delamination extension assessment after drilling is accomplished. Delamination is evaluated using enhanced radiography combined with a dedicated computational platform that integrates algorithms of image processing and analysis. An experimental procedure was planned and consequences were evaluated. Results show that a cautious combination of the factors involved, like drill tip geometry or feed rate, can promote the reduction of delamination damage.
机译：在这项工作中，对复合层压板钻孔的不同钻头几何形状和进给速率进行了比较研究。为了实现这一目标，完成了钻孔过程中的推力监控，孔壁粗糙度测量以及钻孔后的分层扩展评估。使用增强型放射线照相技术和结合了图像处理和分析算法的专用计算平台来评估分层。计划了一个实验程序并评估了后果。结果表明，所涉及因素的谨慎组合，例如钻头的几何形状或进给速度，可以促进减少分层损伤。

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  • 来源
    《Composite Structures》 |2010年第7期|p.1545-1550|共6页
  • 作者

    Luis Miguel P. Durao; Daniel J.S. Goncalves; Joao Manuel R.S. Tavares; Victor Hugo C. de Albuquerque; A. Aguiar Vieira; A. Torres Marques;

  • 作者单位

    ISEP/CIDEM - School of Engineering - Polytechnic of Porto, R. Dr. Antonio Bernardino de Almeida, 431 - 4200-072 Porto, Portugal;

    ISEP/CIDEM - School of Engineering - Polytechnic of Porto, R. Dr. Antonio Bernardino de Almeida, 431 - 4200-072 Porto, Portugal;

    Faculdade de Engenharia da Universidade do Porto (FEUP), Departamento de Engenharia Mecanica (DEMec), Rua Dr. Roberto Frias, s - 4200-465 Porto, Portugal Instituto de Engenharia Mecanica e Cestao Industrial (INEGI), Rua Dr. Roberto Frias, s - 4200-465 Porto, Portugal;

    Universidade de Fortaleza (UNIFOR), Centro de Ciencias Tecnologicas (CCT), Nucleo de Pesquisas Tecnologicas (NPT), Av. Washington Soares, 1321, Sola NPT/CCT, CEP 60.811-905, Edson Queiroz, Fortaleza, Ceara, Brazil;

    Faculdade de Engenharia da Universidade do Porto (FEUP), Departamento de Engenharia Mecanica (DEMec), Rua Dr. Roberto Frias, s - 4200-465 Porto, Portugal Instituto de Engenharia Mecanica e Cestao Industrial (INEGI), Rua Dr. Roberto Frias, s - 4200-465 Porto, Portugal;

    Faculdade de Engenharia da Universidade do Porto (FEUP), Departamento de Engenharia Mecanica (DEMec), Rua Dr. Roberto Frias, s - 4200-465 Porto, Portugal Instituto de Engenharia Mecanica e Cestao Industrial (INEGI), Rua Dr. Roberto Frias, s - 4200-465 Porto, Portugal;

  • 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

    drill geometry; thrust force; roughness measurement; damage; enhanced radiography; image processing and analysis;

    机译：钻头几何形状;推力粗糙度测量损伤;射线照相增强图像处理与分析;

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