Effect of Thermomechanical Treatment on the Grain Boundary Character Distribution in a 9Cr-1Mo Ferritic Steel

2009 ◽  
Vol 40 (9) ◽  
pp. 2030-2032 ◽  
Author(s):  
T. Karthikeyan ◽  
V. Thomas Paul ◽  
S. K. Mishra ◽  
S. Saroja ◽  
M. Vijayalakshmi ◽  
...  
Keyword(s):  
Grain Boundary ◽  
Thermomechanical Treatment ◽  
Ferritic Steel ◽  
Grain Boundary Character Distribution ◽  
Boundary Character ◽  
Grain Boundary Character ◽  
Character Distribution ◽  
Boundary Character Distribution

Predictive Theory for the Grain Boundary Character Distribution

2012 ◽  
Vol 715-716 ◽  
pp. 279-285 ◽  
Author(s):  
Katayun Barmak ◽  
Eva Eggeling ◽  
M. Emelianenko ◽  
Y. Epshteyn ◽  
David Kinderlehrer ◽  
...  
Keyword(s):  
Steady State ◽  
Grain Boundary ◽  
Relative Length ◽  
Boltzmann Distribution ◽  
Grain Boundary Character Distribution ◽  
Boundary Character ◽  
Grain Boundary Character ◽  
Character Distribution ◽  
Boundary Character Distribution ◽  
Lattice Misorientation

Mesoscale experiment and simulation permit harvesting information about both geometric featuresand texture in material microstructures. The grain boundary character distribution (GBCD) is an em-pirical distribution of the relative length (in 2D) or area (in 3D) of interface with a given lattice misori-entation and grain boundary normal. During the growth process, an initially random texture distribu-tion reaches a steady state that is strongly correlated to the interfacial energy density [9]. In simulation,it is found that if the given energy depends only on lattice misorientation, then the steady state GBCDand the energy are related by a Boltzmann distribution. This is among the simplest non-random dis-tributions, corresponding to independent trials with respect to the energy. Why does such a simpledistribution arise from such a complex system?.

Grain size and grain boundary character distribution in ultra-fine grained (ECAP) nickel

2008 ◽  
Vol 491 (1-2) ◽  
pp. 1-7 ◽  
Author(s):  
K. Sitarama Raju ◽  
M. Ghanashyam Krishna ◽  
K.A. Padmanabhan ◽  
K. Muraleedharan ◽  
N.P. Gurao ◽  
...  
Keyword(s):  
Grain Size ◽  
Grain Boundary ◽  
Grain Boundary Character Distribution ◽  
Boundary Character ◽  
Fine Grained ◽  
Grain Boundary Character ◽  
Character Distribution ◽  
Boundary Character Distribution
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