Evaluating the Machinability of Inconel 718 Using Polar Diagrams
Journal article, 2011

The use of a polar diagram method for describing and evaluating the machinability of Inconel 718 was explored. Five key parameters of the work material, representing the mechanical and physical properties, which have the strongest influence on its machinability, were employed in the diagrams. These five parameters were integrated into a single polar diagram, used to describe the machinability of Inconel 718. Variations in the machinability of Inconel 718 products or components of a given type produced in different batches were analyzed. Industrial experiments were conducted to test the relationship between the polar diagram of the work material, its carbon content, and the tool wear of the ceramic cutting tools used in machining it. Work materials of Inconel 718 in which the polar diagrams of machinability were similar in size and shape exhibited very similar behavior during the cutting process. The polar diagram method employed appeared to be useful for selecting suitable cutting data for the machining of new materials. [DOI: 10.1115/1.4002679]

alloys

machinability

Inconel 718

polar diagram

wear

Author

Pajazit Avdovic

Chalmers, Materials and Manufacturing Technology, Manufacturing Technology

L. H. Xu

China University of Geosciences, Wuhan

Lund University

M. Andersson

Lund University

J. E. Stahl

Lund University

Journal of Engineering for Gas Turbines and Power

0742-4795 (ISSN) 1528-8919 (eISSN)

Vol. 133 7 072101

Subject Categories

Materials Engineering

DOI

10.1115/1.4002679

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