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铝/碳纤维增强塑料交叉拉伸试样的预热(热辅助)压铆工艺

Preheated (Heat-Assisted) Clinching Process for Al/CFRP Cross-Tension Specimens.

作者信息

Lin Pai-Chen, Fang Jun-Chang, Lin Jia-Wei, Tran Xuan Van, Ching Yern-Chee

机构信息

Advanced Institute of Manufacturing with High-tech Innovations & Department of Mechanical Engineering, National Chung-Cheng University, Chiayi 62102, Taiwan.

Institute of Development of Strategy, Thu Dau Mot University, Phu Hoa Ward, Thu Dau Mot City 0650, Vietnam.

出版信息

Materials (Basel). 2020 Sep 19;13(18):4170. doi: 10.3390/ma13184170.

DOI:10.3390/ma13184170
PMID:32961763
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7560501/
Abstract

Effects of processing parameters on preheated (heat-assisted) clinching process to join aluminum alloy 5052-H32 (AA5052) and thermoplastic carbon-fiber-reinforced-plastic (TP-CFRP) sheets for cross-tension (CT) specimens were first studied. Preheating was critical since brittle TP-CFRP could be softened to avoid fracturing or cracking during clinching process. Four processing parameters, including punching force, die depth, heating mode, and heating temperature, were considered. Quasi-static tests and microscope observations were taken to evaluate AA5052/TP-CFRP clinch joints in CT specimens and determine appropriate processing parameters for fatigue tests. Finally, fatigue data and failure mode of clinch joints in CT specimens were obtained and discussed.

摘要

首先研究了加工参数对预热(热辅助)压铆工艺的影响,该工艺用于连接铝合金5052-H32(AA5052)和热塑性碳纤维增强塑料(TP-CFRP)板材以制作交叉拉伸(CT)试样。预热至关重要,因为脆性的TP-CFRP可被软化,从而避免在压铆过程中发生断裂或开裂。考虑了四个加工参数,包括冲压力、模具深度、加热方式和加热温度。进行了准静态试验和显微镜观察,以评估CT试样中的AA5052/TP-CFRP压铆接头,并确定用于疲劳试验的合适加工参数。最后,获得并讨论了CT试样中压铆接头的疲劳数据和失效模式。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9a98/7560501/c800abea620e/materials-13-04170-g015.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9a98/7560501/f9eb5240f72c/materials-13-04170-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9a98/7560501/5745668d8564/materials-13-04170-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9a98/7560501/581cd1d94d80/materials-13-04170-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9a98/7560501/7eae5716608e/materials-13-04170-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9a98/7560501/1f9ec56442cd/materials-13-04170-g011a.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9a98/7560501/c800abea620e/materials-13-04170-g015.jpg

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