Journal ArticleDOI
An electron microscope investigation of the microstructure in an aluminium-zinc-magnesium alloy
J. Gjønnes,Chr.J. Simensen +1 more
TLDR
In this paper, the microstructure of the precipitates in an Al(Zn, Mg) alloy after age hardening has been studied by means of electron microscopy.About:
This article is published in Acta Metallurgica.The article was published on 1970-08-01. It has received 222 citations till now. The article focuses on the topics: Microstructure & Alloy.read more
Citations
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Microstructure and microchemistry of an AlZnMgCu alloy matrix-20 vol.% SiC composite
Sun Ig Hong,George T. Gray +1 more
TL;DR: In this article, the microstructure and microchemistry of an underaged and overaged Al-Zn-Mg-Cu alloy matrix composite reinforced with 20 vol. % SiC was examined using analytical electron microscopy.
Journal ArticleDOI
Effects of Cu and Al on the crystal structure and composition of η (MgZn2) phase in over-aged Al–Zn–Mg–Cu alloys
TL;DR: In this article, the effects of Cu and Al substitution on the diffraction characteristics of the MgZn2 phase were investigated by high resolution transmission electron microscopy, aberration corrected scanning transmission electron microscope, selected election diffraction pattern simulations, and first-principles calculations.
Journal ArticleDOI
Quantitative metallography of precipitating and secondary phases after strengthening treatment of net shaped casting of Al-Zn-Mg-Cu (7000) alloys
TL;DR: The effect of a near net shaped casting of the Al-Zn-Mg-Cu (Al-7000) alloys on the size and distribution of the strengthening precipitates formed during the peak age (T6) heat treatment was investigated using analytical microscopy with SEM, XRD and high resolution TEM.
Journal ArticleDOI
Investigation of microstructural evolution and mechanical properties during two-step ageing treatment at 115 and 160 °C in an Al–Zn–Mg–Cu alloy pre-stretched thick plate
TL;DR: The microstructure evolution and age-strengthening characteristics of an Al-Zn-Mg-Cu alloy thick plate during a two-step ageing treatment at 115°C and 160°C were studied as discussed by the authors.
Journal ArticleDOI
Understanding precipitate evolution during friction stir welding of Al-Zn-Mg-Cu alloy through in-situ measurement coupled with simulation
J.F. dos Santos,Peter Staron,T. Fischer,Joseph D. Robson,Aleksander Kostka,Paul A. Colegrove,Hui-Tzu Lin Wang,J. Hilgert,Luciano Bergmann,L.L. Hutsch,Norbert Huber,A. Schreyer +11 more
TL;DR: FlexiStir as mentioned in this paper is a portable friction stir unit designed for use in a high-energy synchrotron beamline that enables in-situ studies of microstructural evolution during FSW.
References
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Journal ArticleDOI
The nucleation of precipitates: The system Al-Zn-Mg
TL;DR: In this article, a semiquantitative theory has been developed for the formation of precipitate free zones at grain boundaries and the results have been used to develop a model of nucleation by vacancy/solute atom clusters.
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