Evaluating the machinability of Inconel 718 using polar diagrams
Paper i proceeding, 2010

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 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 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.

Inconel 718


Polar diagram


Pajazit Avdovic

Chalmers, Material- och tillverkningsteknik, Tillverkningsteknik

L. H. Xu

China University of Geosciences, Wuhan

Lunds universitet

Mats Andersson

Lunds universitet

J. E. Stahl

Lunds universitet

Proceedings of the ASME Turbo Expo 2010: Power for Land, Sea, and Air, GT 2010, Glasgow, United Kingdom, 14-18 June 2010

978-0-7918-4396-3 (ISBN)







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