Roy, U. and Roy, H. and Daoud, H. and Glatzel, U. and Ray, K.K. (2014) Fracture toughness and fracture micromechanism in a cast AlCoCrCuFeNi high entropy alloys ystem. MaterialsLetters, 132. pp. 186-189. ISSN 0167-577X

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Abstract

This in vestigation is aimed to understand crack initiation resistance and mechanism of cracking in a high entropy alloy, Al23Co15Cr23Cu8Fe15Ni15 (at%). The fracture toughness of the alloy consisting of primarily Fe–Cr rich disordered and Al–Ni richordered BCC phases is found to be 5.4 +/- 0.2 MPa m1/2. Lower magnitude of fracture toughness has been at tributed to nanosized microstructural constituents, in which cracking is governed by formation of shear bands, cleavage facets and herringbone type features.

Item Type:	Article
Subjects:	Fracture toughness
Depositing User:	Dr. Sarita Ghosh
Date Deposited:	21 Mar 2016 13:39
Last Modified:	22 Mar 2016 09:34
URI:	http://cmeri.csircentral.net/id/eprint/37

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