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STRESS ANNEALING INDUCED DIFFUSE SCATTERING FROM Ni3(Al,Si) PRECIPITATES...

by Rozaliya I Barabash, Gene E Ice, Evgenia Karapetrova, P. Zschack
Publication Type
Journal
Journal Name
Metallurgical and Materials Transactions A
Publication Date
Page Numbers
1413 to 1422
Volume
43A
Issue
5

Diffuse scattering caused by L12 type Ni3 (Al,Si) precipitates after stress annealing of Ni-Al-Si alloys is studied. Experimental reciprocal space maps are compared to the theoretical ones. Oscillations of diffuse scattering due to Ni3 (Al,Sc) precipitates are observed. Peculiarities of diffuse scattering in asymptotic region as compared to Huang scattering region are discussed. Coupling between the stress annealing direction and the precipitate shape is demonstrated.