Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1499655 | Scripta Materialia | 2012 | 4 Pages |
Abstract
Lattice strain evolution is measured by neutron diffractrometry during tensile testing of a high volume fraction polycrystal nickel superalloy. The intergranular strains reveal anisotropic deformation, with the {2 0 0} plane being least stiff and the {1 1 1} being the stiffest. Initial plasticity is due to yielding of the {2 2 0}. Deconvolution of the {2 0 0} and {2 2 0} doublets reveals co-deformation of γ and γ′ phases during plasticity. Comparisons are drawn with low and medium volume fraction superalloys.
Related Topics
Physical Sciences and Engineering
Materials Science
Ceramics and Composites
Authors
James Coakley, David Dye,