scholarly journals Effects of temperature and surface step on the incipient plasticity in strained aluminium studied by atomistic simulations

2007 ◽  
Vol 57 (12) ◽  
pp. 1141-1144 ◽  
Author(s):  
P. Hirel ◽  
S. Brochard ◽  
L. Pizzagalli ◽  
P. Beauchamp
Keyword(s):  
Atomistic Simulations ◽  
Surface Step ◽  
Incipient Plasticity ◽  
Effects Of Temperature

Atomistic simulations of incipient plasticity under Al(111) nanoindentation

2005 ◽  
Vol 37 (10) ◽  
pp. 1035-1048 ◽  
Author(s):  
Youngmin Lee ◽  
Jong Youn Park ◽  
Sung Youb Kim ◽  
Sukky Jun ◽  
Seyoung Im
Keyword(s):  
Atomistic Simulations ◽  
Incipient Plasticity

TEM observations of surface-step and hole-edge faceting in acid-etched and annealed MgO thin foils

1993 ◽  
Vol 51 ◽  
pp. 1134-1135
Author(s):  
Simon King ◽  
C. Barry Carter
Keyword(s):  
Marked Contrast ◽  
Aqua Regia ◽  
Surface Step ◽  
Smoke Particle ◽  
Hole Edge ◽  
Thin Foils ◽  
Surface Steps ◽  
Unit Cells ◽  
Reflection Electron Microscopy ◽  
Similar Preparation

Surface-steps formed during the cleavage of MgO on {100} planes, the smaller steps of which may be of atomic height, have been observed in Reflection-Electron Microscopy investigations to be accurately aligned along <001> directions. Steps of atomic height also have been identified on MgO smoke-particle platelets; these steps may be curved or straight, with the straight steps showing evidence for faceting along <001>. Reference also is made to faceting along <011> and <012> directions. Straight steps ∼2 unit cells high, with edges along <100> also have been imaged by High-Resolution Profile-Imaging at the peripheries of MgO smoke microcubes. After etching in aqua-regia and annealing in air, however, high densities of “large” steps several unit cells high, as well as numerous holes, are formed. It is faceting in these foils that is reported here.As can be seen in fig 1, obvious faceting of the surface-step traces is extremely rare in these foils, in marked contrast to substrates such as LaAlO3 and SrTiO3, on which surface-step traces facet readily after a similar preparation treatment.

Effects of temperature on life history set the sensitivity to fishing in Atlantic cod Gadus morhua

2014 ◽  
Vol 514 ◽  
pp. 217-229 ◽  
Author(s):  
HY Wang ◽  
LW Botsford ◽  
JW White ◽  
MJ Fogarty ◽  
F Juanes ◽  
...  
Keyword(s):  
Life History ◽  
Gadus Morhua ◽  
Atlantic Cod ◽  
Effects Of Temperature
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