Prediction of the Delamination at the Steel and CFRP Interface of Hybrid Composite Part
The purpose of this study was to predict the adhesive behavior of steel and carbon-fiber-reinforced plastic (CFRP) hybrid parts based on the cohesive zone model (CZM). In this study, the steel sheet and CFRP were joined by epoxy resin in the CFRP prepreg during the curing process, which could genera...
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MDPI AG
2021
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oai:doaj.org-article:bf2f0b5ecca748c5a177c5d3b6db090d2021-11-11T17:51:33ZPrediction of the Delamination at the Steel and CFRP Interface of Hybrid Composite Part10.3390/ma142162851996-1944https://doaj.org/article/bf2f0b5ecca748c5a177c5d3b6db090d2021-10-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6285https://doaj.org/toc/1996-1944The purpose of this study was to predict the adhesive behavior of steel and carbon-fiber-reinforced plastic (CFRP) hybrid parts based on the cohesive zone model (CZM). In this study, the steel sheet and CFRP were joined by epoxy resin in the CFRP prepreg during the curing process, which could generate delamination at their interface because of the springback of steel or the thermal contraction of the CFRP. First, double cantilever beam (DCB) and end-notched flexure (ENF) tests were performed to obtain various adhesion properties such as the critical energy release rate of mode I, mode II (<i>G<sub>I</sub></i>, <i>G<sub>II</sub></i>), and critical stress (<i>σ<sub>max</sub></i>). A finite element (FE) simulation was performed to predict delamination using CZM, which was also used to describe the interfacial behavior between the steel sheet and the CFRP. Finally, a U-shape drawing test was performed for the steel/CFRP hybrid parts, and these results were compared with analytical results.Jun-Su ParkJae-Hong KimJoon-Hong ParkDae-Cheol KoMDPI AGarticlecarbon-fiber-reinforced plastic (CFRP)steel/CFRP hybrid partprepreg compression molding (PCM)cohesive zone model (CZM)delaminationTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6285, p 6285 (2021) |
| institution |
DOAJ |
| collection |
DOAJ |
| language |
EN |
| topic |
carbon-fiber-reinforced plastic (CFRP) steel/CFRP hybrid part prepreg compression molding (PCM) cohesive zone model (CZM) delamination Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 |
| spellingShingle |
carbon-fiber-reinforced plastic (CFRP) steel/CFRP hybrid part prepreg compression molding (PCM) cohesive zone model (CZM) delamination Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Jun-Su Park Jae-Hong Kim Joon-Hong Park Dae-Cheol Ko Prediction of the Delamination at the Steel and CFRP Interface of Hybrid Composite Part |
| description |
The purpose of this study was to predict the adhesive behavior of steel and carbon-fiber-reinforced plastic (CFRP) hybrid parts based on the cohesive zone model (CZM). In this study, the steel sheet and CFRP were joined by epoxy resin in the CFRP prepreg during the curing process, which could generate delamination at their interface because of the springback of steel or the thermal contraction of the CFRP. First, double cantilever beam (DCB) and end-notched flexure (ENF) tests were performed to obtain various adhesion properties such as the critical energy release rate of mode I, mode II (<i>G<sub>I</sub></i>, <i>G<sub>II</sub></i>), and critical stress (<i>σ<sub>max</sub></i>). A finite element (FE) simulation was performed to predict delamination using CZM, which was also used to describe the interfacial behavior between the steel sheet and the CFRP. Finally, a U-shape drawing test was performed for the steel/CFRP hybrid parts, and these results were compared with analytical results. |
| format |
article |
| author |
Jun-Su Park Jae-Hong Kim Joon-Hong Park Dae-Cheol Ko |
| author_facet |
Jun-Su Park Jae-Hong Kim Joon-Hong Park Dae-Cheol Ko |
| author_sort |
Jun-Su Park |
| title |
Prediction of the Delamination at the Steel and CFRP Interface of Hybrid Composite Part |
| title_short |
Prediction of the Delamination at the Steel and CFRP Interface of Hybrid Composite Part |
| title_full |
Prediction of the Delamination at the Steel and CFRP Interface of Hybrid Composite Part |
| title_fullStr |
Prediction of the Delamination at the Steel and CFRP Interface of Hybrid Composite Part |
| title_full_unstemmed |
Prediction of the Delamination at the Steel and CFRP Interface of Hybrid Composite Part |
| title_sort |
prediction of the delamination at the steel and cfrp interface of hybrid composite part |
| publisher |
MDPI AG |
| publishDate |
2021 |
| url |
https://doaj.org/article/bf2f0b5ecca748c5a177c5d3b6db090d |
| work_keys_str_mv |
AT junsupark predictionofthedelaminationatthesteelandcfrpinterfaceofhybridcompositepart AT jaehongkim predictionofthedelaminationatthesteelandcfrpinterfaceofhybridcompositepart AT joonhongpark predictionofthedelaminationatthesteelandcfrpinterfaceofhybridcompositepart AT daecheolko predictionofthedelaminationatthesteelandcfrpinterfaceofhybridcompositepart |
| _version_ |
1718432023661510656 |