Drilling optimization of woven CFRP laminates under different tool wear conditions: a multi-objective design of experiments approach

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• 作者：N. Feito ; A. S. Milani ; A. Muñoz-Sánchez
• 关键词：CFRP composites ; Drilling ; Tool wear ; Multi ; objective process optimization
• 刊名：Structural and Multidisciplinary Optimization
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：53
• 期：2
• 页码：239-251
• 全文大小：2,167 KB
• 参考文献：Abhishek K, Datta S, Mahapatra SS (2014) Optimization of thrust, torque, entry, and exist delamination factor during drilling of CFRP composites. Int J Adv Manuf Technol :1–16
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• 作者单位：N. Feito (1)
  A. S. Milani (2)
  A. Muñoz-Sánchez (1)
  
  1. Department of Mechanical Engineering, Universidad Carlos III de Madrid, Avda Universidad 30, 28911, Leganés, Madrid, Spain
  2. Composites Research Network-Okanagan Laboratory, School of Engineering, University of British Columbia, 3333 University Way, Kelowna, BC, V1V 1 V7, Canada
  
• 刊物类别：Engineering
• 刊物主题：Theoretical and Applied Mechanics
  Computer-Aided Engineering and Design
  Numerical and Computational Methods in Engineering
  Engineering Design
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1615-1488

文摘

The cutting tool geometry is known to be an influential factor on damage induced during drilling of composite materials. Conversely, the geometry of the tool is affected under multiple drilling cycles due to highly abrasive nature of fibers. Building on earlier reports, the aim of this work is to create a better understanding of cutting parameters on the quality of drilled woven carbon fiber reinforced polymer (CFRP) laminates, given different tool wear conditions. Namely, a full factorial design of experiments has been conducted to quantify the significance of each process parameter (cutting velocity, feed rate and tool point angle), as well as their interactions, on the generation of entry- and exist- delaminations as well as the thrust force for different tool types. Finally, using a response surface methodology, a multi-objective optimization strategy has been presented to select optimum ranges of design parameters that can minimize the aforementioned output variables collectively. Such knowledge may be useful to explore further improvements toward defect-free drilling of woven CFRP composites.