Some Aspects of Improving Integrity of Machined Surfaces on Al/SiCp Metal Matrix Composites

This paper presents findings of an experimental work which involved use of wiping edge on the cutting tool and a priory heating of the work surfaces to improve the integrity of machined surfaces. The wiper edge cleans the machined surface and a priory heating induces necessary local ductility into t...

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Bibliographic Details
Published in:Key engineering materials 2010-01, Vol.443, p.596-601
Main Authors: Dabade, Uday A., Joshi, Suhas S.
Format: Article
Language:English
Subjects:
Aluminum
Cleaning
Cutting tools
Ductility
Heating
Inserts
Integrity
Machine tools
Metal matrix composites
Particulate composites
Priories
Residual stress
Silicon carbide
Surface roughness
Wipers
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Summary:This paper presents findings of an experimental work which involved use of wiping edge on the cutting tool and a priory heating of the work surfaces to improve the integrity of machined surfaces. The wiper edge cleans the machined surface and a priory heating induces necessary local ductility into the machined surface to promote improvement in the surface integrity. The result shows that the wiper inserts reduce surface roughness (by about 38%); cutting forces (by about 8%) and induce compressive (or lower tensile) residual stresses in the machined surfaces, hence help to improve the surface integrity. Similarly, a priory heating of work surfaces at 70°C was also found to improve machined surface roughness considerably.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.443.596