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碳纤维增强塑料低温钻孔分层的数值模拟与分析比较

Numerical Modelling and Analytical Comparison of Delamination during Cryogenic Drilling of CFRP.

作者信息

Balan Arunachalam S S, Kannan Chidambaram, Jain Kunj, Chakraborty Sohini, Joshi Siddharth, Rawat Krishna, Alsanie Walaa F, Thakur Vijay Kumar

机构信息

Department of Mechanical Engineering, NITK Surathkal, Mangalore 575025, India.

School of Mechanical Engineering, Vellore Institute of Technology, Vellore 632014, India.

出版信息

Polymers (Basel). 2021 Nov 19;13(22):3995. doi: 10.3390/polym13223995.

DOI:10.3390/polym13223995
PMID:34833294
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8624963/
Abstract

Carbon-Fibre-Reinforced Polymers (CFRPs) have seen a steady rise in modern industrial applications due to their high strength-to-weight ratio and corrosion resistance. However, their potential is being hindered by delamination which is induced on them during machining operations. This has led to the adoption of new and innovative techniques like cryogenic-assisted machining which could potentially help reduce delamination. This study is aimed at investigating the effect of cryogenic conditions on achieving better hole quality with reduced delamination. In this paper, the numerical analysis of the drilling of CFRP composites is presented. Drilling tests were performed experimentally for validation purposes. The effects of cooling conditions and their subsequent effect on the thrust force and delamination were evaluated using ABAQUS/CAE. The numerical models and experimental results both demonstrated a significant reduction in the delamination factor in CFRP under cryogenic drilling conditions.

摘要

由于具有高强度重量比和耐腐蚀性，碳纤维增强聚合物（CFRP）在现代工业应用中得到了稳步增长。然而，在加工操作过程中产生的分层现象阻碍了它们的潜力发挥。这促使人们采用了低温辅助加工等新的创新技术，这些技术有可能帮助减少分层。本研究旨在调查低温条件对实现更好的孔质量和减少分层的影响。本文介绍了CFRP复合材料钻孔的数值分析。为了进行验证，进行了实验性钻孔测试。使用ABAQUS/CAE评估了冷却条件及其对推力和分层的后续影响。数值模型和实验结果均表明，在低温钻孔条件下，CFRP的分层因子显著降低。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/43e40587710b/polymers-13-03995-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/7805dab797a1/polymers-13-03995-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/f50781235756/polymers-13-03995-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/5bcd1cd9a6fa/polymers-13-03995-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/0ff8963d1873/polymers-13-03995-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/76676380cdce/polymers-13-03995-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/5741ac12526a/polymers-13-03995-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/0d34f3f2bac3/polymers-13-03995-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/f77bf7906052/polymers-13-03995-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/0a52b1728d1c/polymers-13-03995-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/43e40587710b/polymers-13-03995-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/7805dab797a1/polymers-13-03995-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/f50781235756/polymers-13-03995-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/5bcd1cd9a6fa/polymers-13-03995-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/0ff8963d1873/polymers-13-03995-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/76676380cdce/polymers-13-03995-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/5741ac12526a/polymers-13-03995-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/0d34f3f2bac3/polymers-13-03995-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/f77bf7906052/polymers-13-03995-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/0a52b1728d1c/polymers-13-03995-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1407/8624963/43e40587710b/polymers-13-03995-g010.jpg

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