Investigation of Chip Formation Theories in Machining of Al/SiCp Metal Matrix Composite

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Nikouei, Mohammad | 2011

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 42717 (45)
University: Sharif University of Technology
Department: Aerospace Engineering
Advisor(s): Koochakzadeh, Mohammad Ali; Yousefi, Reza
Abstract:
Prediction of shear plane angle is a way for prediction of the mechanism of chip formation, machining forces and so on. In this study, Merchant, Corrected Merchant, Lee and Shaffer, Lee and Shaffer with Built up Edge, Corrected Lee and Shaffer and Slip line theories are used for prediction of shear plane angles and cutting forces in machining of Al/SiCp metal matrix composite. The experimental cutting forces are compared with the calculated cutting force based on shear plane angles extracted from Merchant, Corrected Merchant, Lee and Shaffer, Lee and Shaffer with Built up Edge, Corrected Lee and Shaffer and Slip line theories. The variation of these cutting forces with cutting speed, feed rate and depth of cut has been discussed. The results showed that Merchant and Slip line theories may be used as good methods for prediction of chip formation in machining of Al/SiCp MMC
Keywords:
Machining Forces ; Metal Matrix Composite (MMC) ; Cutting Force ; Cutting Angle Method ; Chip Formation Mechanism

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