Investigation on chip formation and surface morphology in orthogonal machining of Zr-based bulk metallic glass

Article dans une revue avec comité de lecture
Auteur
DHALE, Karuna
54366 Indian Institute of Technology Bombay [IIT Bombay]
BANERJEE, Nilanjan
54366 Indian Institute of Technology Bombay [IIT Bombay]
SINGH, Ramesh Kumar
54366 Indian Institute of Technology Bombay [IIT Bombay]
MARTINS DO OUTEIRO, Jose Carlos
127742 Laboratoire Bourguignon des Matériaux et Procédés [LABOMAP]

URI
http://hdl.handle.net/10985/18217
DOI
10.1016/j.mfglet.2019.01.002
Date
2019
Journal
Manufacturing Letters

Résumé

This work presents the preliminary investigation on the orthogonal machining of Zr-based bulk metallic glass. Influence of machining parameters on the chip formation mechanisms has been analyzed. The SEM images of the chip surfaces have been taken for this purpose. It has been observed that at lower speed and uncut chip thickness, the individual serrated sections of chips develop shear bands in the surface. At higher speed and uncut chip thickness, these shear bands aggravate and leads to form fragmented surfaces. Degree of segmentation and serration spacing of chips were analyzed and compared with the morphology of the machined surface.

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