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      An investigation of the effect of tool approaching angle in turning of CFRP composite materials

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      1 , * , , 1
      Materials Testing
      Carl Hanser Verlag

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          Abstract

          Carbon Fibers Reinforced Plastics (CFRP) composite material bars were machined on the lathe. In experiments −15°, 0°, 15°, 30°, and 45° approach angles, 0.1 mm × rev -1, 0.15 mm × rev -1, and 0.2 mm × rev -1 feed rates and 560 rpm, 800 rpm, and 1120 rpm spindle speeds were selected. At −15° and 0° approach angles, the deformation influence was dominant on surface roughness and chip morphology, while the cutting effect taking place at the cutting edge was dominant at 30° and 45° approach angles. Primarily at 45°, the most significant roughness values and the shortest cut fibers were achieved due to the occurrence of maximum shear stress according to Tresca. However, fibers were removed from samples on the whole form as bundles, without any cutting, at −15° and 0° approach angles, by the effect of deformation. According to ANOVA, regression and variance analysis results were obtained with p-values and probability results of surface roughness smaller than 0.05 and 5 %, respectively. These results showed that the feed rate was the most influential parameter for turning of CFRP material, followed by the approach angle and spindle speed, respectively. However, the least influential parameter in the processes was spindle speed.

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          Modeling of machining of composite materials: A review

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            Machinability analysis in drilling woven GFR/epoxy composites: Part I – Effect of machining parameters

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                Author and article information

                Journal
                mp
                Materials Testing
                Carl Hanser Verlag
                0025-5300
                2195-8572
                04 November 2019
                : 61
                : 11
                : 1109-1119
                Affiliations
                1 Batman, Turkey
                Author notes
                [* ] Correspondence Address, Zülküf Demir, Mechanical Engineering Department, Faculty of Engineering and Architecture, Batman University, 72100, Batman, Turkey, E-mail: zulkuf.demir@ 123456batman.edu.tr , zulkuff75@ 123456gmail.com

                Zülküf Demir, born in 1975, graduated from the Faculty of Technical Education in 1998. He started working as a teacher in the area of mechanical technology at Industrial Schools. He received his post-graduate as well as post-doctorate degree in 2006 at Dicle University, and in 2012 at Firat University, respectively. Since 2013 he has been working at Batman University.

                Oktay Adiyaman, born in 1975, graduated from the Faculty of Technical Education in 1998. He started working as a teacher in the area of mechanical technology at Industrial Schools. He received his post-graduate and post-doctorate degree in 2003 at Gazi University and in 2015 at Firat University, respectively. Since 2016 he has been working at Batman University.

                Article
                MP111429
                10.3139/120.111429
                c4edc0cb-db14-4907-a1ef-7b51036834ad
                © 2019, Carl Hanser Verlag, München
                History
                Page count
                References: 25, Pages: 11
                Categories
                Fachbeiträge/Technical Contributions

                Materials technology,Materials characterization,Materials science
                Materials technology, Materials characterization, Materials science

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