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Theoretical Estimation of Thermal Effects in Drilling of Woven Carbon Fiber Composite
Carbon Fiber Reinforced Polymer (CFRPs) composites are extensively used in structural applications due to their attractive properties. Although the components are usually made near net shape, machining processes are needed to achieve dimensional tolerance and assembly requirements. Drilling is a com...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
MDPI
2014
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5455905/ https://www.ncbi.nlm.nih.gov/pubmed/28788685 http://dx.doi.org/10.3390/ma7064442 |
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author | Díaz-Álvarez, José Olmedo, Alvaro Santiuste, Carlos Miguélez, María Henar |
author_facet | Díaz-Álvarez, José Olmedo, Alvaro Santiuste, Carlos Miguélez, María Henar |
author_sort | Díaz-Álvarez, José |
collection | PubMed |
description | Carbon Fiber Reinforced Polymer (CFRPs) composites are extensively used in structural applications due to their attractive properties. Although the components are usually made near net shape, machining processes are needed to achieve dimensional tolerance and assembly requirements. Drilling is a common operation required for further mechanical joining of the components. CFRPs are vulnerable to processing induced damage; mainly delamination, fiber pull-out, and thermal degradation, drilling induced defects being one of the main causes of component rejection during manufacturing processes. Despite the importance of analyzing thermal phenomena involved in the machining of composites, only few authors have focused their attention on this problem, most of them using an experimental approach. The temperature at the workpiece could affect surface quality of the component and its measurement during processing is difficult. The estimation of the amount of heat generated during drilling is important; however, numerical modeling of drilling processes involves a high computational cost. This paper presents a combined approach to thermal analysis of composite drilling, using both an analytical estimation of heat generated during drilling and numerical modeling for heat propagation. Promising results for indirect detection of risk of thermal damage, through the measurement of thrust force and cutting torque, are obtained. |
format | Online Article Text |
id | pubmed-5455905 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2014 |
publisher | MDPI |
record_format | MEDLINE/PubMed |
spelling | pubmed-54559052017-07-28 Theoretical Estimation of Thermal Effects in Drilling of Woven Carbon Fiber Composite Díaz-Álvarez, José Olmedo, Alvaro Santiuste, Carlos Miguélez, María Henar Materials (Basel) Article Carbon Fiber Reinforced Polymer (CFRPs) composites are extensively used in structural applications due to their attractive properties. Although the components are usually made near net shape, machining processes are needed to achieve dimensional tolerance and assembly requirements. Drilling is a common operation required for further mechanical joining of the components. CFRPs are vulnerable to processing induced damage; mainly delamination, fiber pull-out, and thermal degradation, drilling induced defects being one of the main causes of component rejection during manufacturing processes. Despite the importance of analyzing thermal phenomena involved in the machining of composites, only few authors have focused their attention on this problem, most of them using an experimental approach. The temperature at the workpiece could affect surface quality of the component and its measurement during processing is difficult. The estimation of the amount of heat generated during drilling is important; however, numerical modeling of drilling processes involves a high computational cost. This paper presents a combined approach to thermal analysis of composite drilling, using both an analytical estimation of heat generated during drilling and numerical modeling for heat propagation. Promising results for indirect detection of risk of thermal damage, through the measurement of thrust force and cutting torque, are obtained. MDPI 2014-06-12 /pmc/articles/PMC5455905/ /pubmed/28788685 http://dx.doi.org/10.3390/ma7064442 Text en © 2014 by the authors. licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/). |
spellingShingle | Article Díaz-Álvarez, José Olmedo, Alvaro Santiuste, Carlos Miguélez, María Henar Theoretical Estimation of Thermal Effects in Drilling of Woven Carbon Fiber Composite |
title | Theoretical Estimation of Thermal Effects in Drilling of Woven Carbon Fiber Composite |
title_full | Theoretical Estimation of Thermal Effects in Drilling of Woven Carbon Fiber Composite |
title_fullStr | Theoretical Estimation of Thermal Effects in Drilling of Woven Carbon Fiber Composite |
title_full_unstemmed | Theoretical Estimation of Thermal Effects in Drilling of Woven Carbon Fiber Composite |
title_short | Theoretical Estimation of Thermal Effects in Drilling of Woven Carbon Fiber Composite |
title_sort | theoretical estimation of thermal effects in drilling of woven carbon fiber composite |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5455905/ https://www.ncbi.nlm.nih.gov/pubmed/28788685 http://dx.doi.org/10.3390/ma7064442 |
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