Cryogenic machining of carbon fiber reinforced plastic (CFRP) composites and the effects of cryogenic treatment on tensile properties: A comparative study

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dc.contributor.authorMorkavuk, Sezer
dc.contributor.authorKoklu, Ugur
dc.contributor.authorBagci, Mehmet
dc.contributor.authorGemi, Lokman
dc.date.accessioned2024-02-23T14:02:36Z
dc.date.available2024-02-23T14:02:36Z
dc.date.issued2018
dc.departmentNEÜen_US
dc.description.abstractCarbon fiber reinforced plastics (CFRPs) are prone to damage locally during machining due to the applied cutting forced and generated heat. Cryogenic machining can reduce the heat generated damages of CFRPs by utilizing cryogenic liquids instead of conventional cutting fluids. The goal of this study is to investigate milling performance of CFRPs in cryogenic medium. For this, a new cryogenic machining approach was adopted to slot milling of CFRPs by submerging the workpiece within a cryogenic liquid. The CFRPs were fabricated via vacuum assisted resin transfer method by using woven carbon fiber fabric as a reinforcement and epoxy as a matrix. Machining performance was evaluated based on the resulting cutting force, delamination factor, surface roughness, and surface damage. Moreover, the influences of cryogenic coolant on the tensile properties, fracture surface microstructure, and machined surface of the CFRP laminates were analyzed with scanning electron microscopy (SEM). SEM analysis revealed that combination of different damage modes such as debonding, micro matrix crack, fiber pull out, and bundle pull out, delamination, and fiber breakage were observed. The results showed that cryogenic machining approach provided less damage formation on the machined surface, reduced delamination factor and surface roughness but increased resulting cutting force during machining of the CFRPs. On the other hand, there was a slight improvement (about 3%) of the tensile properties for the CFRPs exposed to cryogenic coolant due to matrix hardening and increasing in the fiber strength and shear strength.en_US
dc.description.sponsorshipSelcuk University Scientific Research Project (BAP) [16201049]en_US
dc.description.sponsorshipThis work was supported by Selcuk University Scientific Research Project (BAP) unit with the project number of 16201049. Authors would like to thank Dr. Okan Demir at Selcuk University Mechanic lab., Selcuk University BAP unit and Necmettin Erbakan University BITAM.en_US
dc.identifier.doi10.1016/j.compositesb.2018.04.024
dc.identifier.endpage11en_US
dc.identifier.issn1359-8368
dc.identifier.issn1879-1069
dc.identifier.scopus2-s2.0-85045709496en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1en_US
dc.identifier.urihttps://doi.org/10.1016/j.compositesb.2018.04.024
dc.identifier.urihttps://hdl.handle.net/20.500.12452/11761
dc.identifier.volume147en_US
dc.identifier.wosWOS:000437064900001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofComposites Part B-Engineeringen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCfrp Plateen_US
dc.subjectCryogenic Machiningen_US
dc.subjectCryogenic Treatmenten_US
dc.subjectDamage Analysisen_US
dc.subjectDelaminationen_US
dc.subjectMicrostructureen_US
dc.subjectMillingen_US
dc.subjectPlain Woven Fabricen_US
dc.subjectSem Analysisen_US
dc.subjectTensile Testen_US
dc.titleCryogenic machining of carbon fiber reinforced plastic (CFRP) composites and the effects of cryogenic treatment on tensile properties: A comparative studyen_US
dc.typeArticleen_US

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