KEM 2009 DOI: 10.4028/www.scientific.net/kem.407-408.412 View full text
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Dong Liu, Wu Yi Chen, Hong Hai Xu, Xue Ke Luo, Hui Liang

Abstract: The formation of shear localized chips in orthogonal machining of Ti-6Al-4V was investigated. The chips in different cutting velocities were collected and the structure of the adiabatic shear localization was examined by optical microscope and SEM after polishing and eroding. The serrated coefficient, serrated frequency and fibred coefficient were proposed in this paper to characterize the degree of serration and plastic shear flow of the chip quantitatively. Experimental results show that the width of the she…

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