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Fracture properties of PCBN as a function of loading rate and temperature
Carolan, Declan; Petrović, Marin; Ivankovic, Alojz; et al.
9th International Conference on Fracture and Damage Mechanics, Nagasaki Japan, 20-22 September 2010 Polycrystalline Cubic Boron Nitride (PCBN) is a superhard material which is used in machining of hardened steels and other abrasive and aerospace grade alloys. In these applications the tools are subjected to high operating temperatures, abrasive and impact loading. Impact loading can lead to the sudden fracture and hence failure of the tool. In this work the static and dynamic fracture toughness of PCBN is determined via a combined experimental-numerical approach. The results show that the fracture toughness of PCBN varies with loading rate Irish Research Council for Science, Engineering and Technology Enterprise Ireland, and Element 6 Ltd., Shannon Ireland Deposited by bulk import kpw30/10/13
Keyword(s): PCBN; Fracture; Mechanical properties; High rate
Publication Date:
2013
Type: Other
Peer-Reviewed: Unknown
Language(s): English
Institution: University College Dublin
Publisher(s): Scientific.Net
First Indexed: 2013-11-01 05:38:28 Last Updated: 2018-10-11 16:56:21