ATOM-PROBE STUDY OF SURFACE SEGREGATION OF Ni-Cu ALLOYS

1986 ◽  
Vol 47 (C2) ◽  
pp. C2-381-C2-387
Author(s):  
T. HASHIZUME ◽  
T. SAKURAI ◽  
H. W. PICKERING
Keyword(s):  
Surface Segregation ◽  
Atom Probe ◽  
Cu Alloys

A STUDY OF G.P. ZONES IN Al-Cu ALLOYS BY ATOM-PROBE FIM

1986 ◽  
Vol 47 (C2) ◽  
pp. C2-171-C2-177 ◽  
Author(s):  
T. HASHIZUME ◽  
K. HONO ◽  
Y. HASEGAWA ◽  
K. HIRANO ◽  
T. SAKURAI
Keyword(s):  
Atom Probe ◽  
Cu Alloys

Evolution of Nanostructure during the Early Stages of Ageing in Al-Zn-Mg-Cu Alloys

2006 ◽  
Vol 519-521 ◽  
pp. 555-560 ◽  
Author(s):  
Peter V. Liddicoat ◽  
Tomoyuki Honma ◽  
L.T. Stephenson ◽  
Simon P. Ringer
Keyword(s):  
Atom Probe Tomography ◽  
Atom Probe ◽  
Age Hardening ◽  
Peak Hardness ◽  
Cu Alloys ◽  
Transmission Electron ◽  
Element Species ◽  
Hardness Increase ◽  
Solute Interactions ◽  
Effect Of Copper

During age-hardening of certain Al-Zn-Mg-Cu alloys, a 90% hardness increase can occur with 75 seconds. The clustering and precipitation of solute element species during this early rapid hardening (RH) period has been investigated through atom probe tomography, transmission electron microscopy, and Vickers hardness measurements. This study has focussed on the effect of copper by analysing three alloys; Al-2.0Zn-1.8Mg-0.7Cu, Al-2.0Zn-1.7Mg-0.2Cu and Al-1.9Zn-1.7Mg (at.%). The early RH reaction in these alloys accounts for up to 70% of the total hardening (peak hardness minus as-quenched hardness) and takes place during the first 60 seconds of ageing. We report preferred solute-solute interactions in the as-quenched materials. This quenched-in nanostructure acts as a template for subsequent solute clustering, the nature of which we have correlated with ageing.

Analysis of atomic distribution near grain boundary in Zr Sn Nb Fe-(Cu) alloys by atom probe tomography

2019 ◽  
Vol 515 ◽  
pp. 135-139
Author(s):  
Boran Tao ◽  
Baifeng Luan ◽  
Risheng Qiu ◽  
Qiang Fang ◽  
Lingfei Cao ◽  
...  
Keyword(s):  
Grain Boundary ◽  
Atom Probe Tomography ◽  
Atom Probe ◽  
Cu Alloys ◽  
Atomic Distribution

Surface Segregation in Au–Ag Alloys Investigated by Atom Probe Tomography

2018 ◽  
Vol 61 (14) ◽  
pp. 1437-1448 ◽  
Author(s):  
Natalia Gilis ◽  
Luc Jacobs ◽  
Cédric Barroo ◽  
Thierry Visart de Bocarmé
Keyword(s):  
Atom Probe Tomography ◽  
Surface Segregation ◽  
Atom Probe

Surface segregation in Pt-Cu alloys

1983 ◽  
Vol 126 (1-3) ◽  
pp. A132
Author(s):  
A.D. Van Langeveld ◽  
V. Ponec
Keyword(s):  
Surface Segregation ◽  
Cu Alloys
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