Electronic Resource
Copenhagen
:
International Union of Crystallography (IUCr)
Applied crystallography online
12 (1979), S. 429-431
ISSN:
1600-5767
Source:
Crystallography Journals Online : IUCR Backfile Archive 1948-2001
Topics:
Geosciences
,
Physics
Notes:
X-ray, neutron and electron diffraction experiments have revealed the existence of internally ordered Guinier–Preston zones in Al-(8 to 15 at.%)Mg alloys; diffuse satellites oriented along (100) directions are observed near Bragg peaks and give rise to modulated contrasts by TEM. A small-angle neutron scattering experiment has been carried out on single crystals and a model is proposed for the interpretation of the observed pattern. The existence of concentration modulations is related to alignments of spherical GP zones along (100) directions.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1107/S0021889879012966
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