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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/7268

Title: Analysis of chip formation mechanism in machining of Al/SiCp metal matrix composites
Authors: DABADE, UA
JOSHI, SS
Issue Date: 2009
Publisher: ELSEVIER SCIENCE SA
Citation: JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 209(10), 4704-4710
Abstract: Al/SiCp composites are known to cause a significant wear of cutting tools. But, with the use of PCD/CBN tools, machining can be continued over longer time duration. Nevertheless, the problem associated with the quality of machined surfaces such as pit marks and particle pull-out still persists. The quality of surface generated during machining can be easily related to the types of chips formed during machining of Al/SiCp composites as a function of processing conditions and composition of constituents in composites. It is observed from the Taguchi method-based experimentation using L(27) (3(13)) orthogonal array, that in machining of coarser reinforcement composites complete gross fracture takes place causing smaller segments of chips and higher shear plane angle. However, in finer reinforcement composites, secondary crack formation is evident at inner surfaces of the chips formed. Conceptual models illustrating these effects have been arrived at. (C) 2008
URI: http://dx.doi.org/10.1016/j.jmatprotec.2008.10.057
http://dspace.library.iitb.ac.in/xmlui/handle/10054/7268
http://hdl.handle.net/10054/7268
ISSN: 0924-0136
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