Statistical study of the effect of various machining parameters on delamination in drilling of carbon fiber reinforced composites

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AMINI SAEED; BARAHENI MOHAMMAD; Moeini Afzal Morteza

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Journal: Journal of Science and Technology of Composites Year:2018 | Volume:5 | Issue:1 Page(s): 41-50

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Title

Statistical study of the effect of various machining parameters on delamination in drilling of carbon fiber reinforced composites

Author(s)

AMINI SAEED | BARAHENI MOHAMMAD | Moeini Afzal Morteza | Issue Writer Certificate

Keywords

Carbon fiber reinforced composite Delamination Machining parameters Workpiece thicknessQ1

Abstract

Carbon fiber reinforced composites pose numerous industrial applications that's because of suitable mechanical and physical properties. Drilling is a common method to connect fiber reinforced material structures. Fiber reinforced composite laminates in machining operations, especially in drilling operations which are subjected to stress concentration, tend to be delaminated. Delamination phenomena is extremely under the influence of factors like tool and workpiece geometry and material as well as machining parameters. In this research, by using Taguchi experiment design method, an experimental study conducted on drilling of carbon fiber reinforced composite with tungsten carbide tool to investigate amount of delamination. Discussed parameters include predrilling, rotational speed, feed rate, tool diameter and workpiece thickness. According to conducted experiments, that's observed predrilling, rotational speed increment, feed rate decrement causes delamination damage reduction and hole quality improvement. Also using drilling tool with smaller diameter and utilization of thinner composite causes delamination reduction. As for achieved results, in Minitab software, Analysis of Variance(ANOVA) carried out to examine hole quality and effectiveness of each parameter. Through examined parameters, workpiece thickness has the most effect on the amount of delamination. Optimized parameters to reduce the delamination also obtained.

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APA: Copy

AMINI, SAEED, BARAHENI, MOHAMMAD, & Moeini Afzal, Morteza. (2018). Statistical study of the effect of various machining parameters on delamination in drilling of carbon fiber reinforced composites. JOURNAL OF SCIENCE AND TECHNOLOGY OF COMPOSITES (JSTC), 5(1 ), 41-50. SID. https://sid.ir/paper/251769/en

Vancouver: Copy

AMINI SAEED, BARAHENI MOHAMMAD, Moeini Afzal Morteza. Statistical study of the effect of various machining parameters on delamination in drilling of carbon fiber reinforced composites. JOURNAL OF SCIENCE AND TECHNOLOGY OF COMPOSITES (JSTC)[Internet]. 2018;5(1 ):41-50. Available from: https://sid.ir/paper/251769/en

IEEE: Copy

SAEED AMINI, MOHAMMAD BARAHENI, and Morteza Moeini Afzal, “Statistical study of the effect of various machining parameters on delamination in drilling of carbon fiber reinforced composites,” JOURNAL OF SCIENCE AND TECHNOLOGY OF COMPOSITES (JSTC), vol. 5, no. 1 , pp. 41–50, 2018, [Online]. Available: https://sid.ir/paper/251769/en

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