… grain boundaries degrade the corrosion resistance of Mg alloys. They believed that the grain
boundaries … the grain boundaries and the matrixes of a Mg-Zn-RE alloy, and found that the …

… Solute distributions in the vicinity of grain boundaries in Al–Zn–Mg(–Ag) alloys were studied
using a three-dimensional atom probe, in order to elucidate the mechanism of formation of …

… The Zn/Cu ratio in the bulk was similar for both alloys, but the level of Zn in the Cu containing
Q particles in the grain boundaries was different. The increased Zn concentration in Q …

… Zn–Mg–Cu alloy stabilized the deformation-recovery microstructure with low angle grain
boundaries on which grain boundary … The exfoliation and stress corrosion cracking of Al–Zn–Mg…

… strengthen Al–Zn–Mg alloys by impeding dislocation motion. However, grain boundary
precipitates (… Instead, GBPs are recognized for preoccupying elements such as Zn or Mg, thereby …

… in the vicinity of grain boundaries in Al–4.9mass%Zn–1.8mass%Mg (20.28mass%Ag) alloys.
The remarkable decreases in hardness and solute concentrations were observed towards …

… at a grain boundary triple point, the beam direction is close to 01 1 1 of magnesium matrix;
(b… its structure agrees with that of the Ca 2 Mg 6 Zn 3 phase. The actual tilt angles recorded in …

… torsion fatiguing a high purity A1-6.3 Zn-2.9 Mg alloy aged to relatively high yield strengths
(,… grain boundary T phase [(A1 Zn)49Mg~2 ]. Specimens with large fractions of grain boundary …

… Zinc additions decreased the end-solidifying temperature, promoted the precipitation of Mg
17 Al 12 in grain boundaries … of Mg–9Al with low or no Zn content, while when Zn content was …

… -4wt%Zn alloy is composed of α-Mg and MgZn2 phases. … the Mg grain boundary) is also
confirmed for the Mg-3wt%Zn … ratios of Zn and Mg atoms near the grain boundaries are much …