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Dislocations interacting with precipitate - interpretation

2,731 views · Published 5 September 2014 · 0:16 · Indexed 20 September 2026

Channel: bhadeshia123 · 2014 · People & Blogs

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Dislocation interactions with an Al3Sc particle in an Al–Mg–Sc alloy.  Weak-beam dark-field images were acquired every one degree over an angular range of -28 to +32 degrees (X-tilt only) while maintaining a constant deviation parameter and diffraction vector.

G.S. Liu and I.M. Robertson, J. Mater. Res., Vol. 26, No. 4, Feb 28, 2011

General references:
1. Liu GS, House SD, Kacher J, Tanaka M, Higashida K, Robertson IM. Electron tomography of dislocation structures. Mater Charact. 2014 1//;87(0):1-11.

2. Kacher J, Robertson IM. In situ and tomographic analysis of dislocation/grain boundary interactions in titanium. Phil Mag. 2014;94(8):814-29.

3. Kacher J, Robertson IM. Quasi-four-dimensional analysis of dislocation interactions with grain boundaries in 304 stainless steel. Acta Mater. 2012 Nov;60(19):6657-72. PubMed PMID: ISI:000311188400021. 

4. Liu GS, Robertson IM. Three-dimensional visualization of dislocation-precipitate interactions in a Al-4Mg-0.3Sc alloy using weak-beam dark-field electron tomography. J Mater Res. 2011;26 (4):514 -22.


http://www.msm.cam.ac.uk/phase-trans

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