UNSPECIFIED (1993) CERAMIC TOOL WEAR WHEN MACHINING AUSTEMPERED DUCTILE IRON. In: 9TH INTERNATIONAL CONF ON WEAR OF MATERIALS, APR 13-16, 1993, SAN FRANCISCO, CA.

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Abstract

Four different types of commercially available ceramic tools - Al2O3, Al2O3:TiC, Al2O3:SiC(w) and a sialon - have been used to turn heat treated SG iron at speeds between 150 and 450 m min-1. The irons were either hardened by an austempering treatment giving a hardness of approximately 350 Hv, or softened to a hardness of approximately 180 Hv by an annealing treatment. Wear on the flank of the tools was the most common cause of tool rejection although tool fracture occurred when machining the austempered iron at the highest speed. Sialon tools suffered rapid wear and the Al2O3:SiC. significantly underperformed the other alumina based tools under most conditions. Fracture damage on the tools' cutting edge and chemical interaction between tool and workpiece have been identified as important wear mechanisms in controlling tool life.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	T Technology > TJ Mechanical engineering and machinery T Technology > TA Engineering (General). Civil engineering (General)
Journal or Publication Title:	WEAR
Publisher:	ELSEVIER SCIENCE SA LAUSANNE
ISSN:	0043-1648
Date:	13 April 1993
Volume:	162
Number:	Part A
Number of Pages:	12
Page Range:	pp. 22-33
Publication Status:	Published
Title of Event:	9TH INTERNATIONAL CONF ON WEAR OF MATERIALS
Location of Event:	SAN FRANCISCO, CA
Date(s) of Event:	APR 13-16, 1993
URI:	http://wrap.warwick.ac.uk/id/eprint/21391

Data sourced from Thomson Reuters' Web of Knowledge

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