Thermodynamics and structural aspects of grain boundary segregation

P Lejček, S Hofmann - Critical Reviews in Solid State and Material …, 1995 - Taylor & Francis
Physical and chemical properties of solid materials are strongly. influenced by the chemical
composition of internal interfaces, One of the crucial parameters affecting interfacial …

Aluminum depletion induced by co-segregation of carbon and boron in a bcc-iron grain boundary

A Ahmadian, D Scheiber, X Zhou, B Gault… - Nature …, 2021 - nature.com
The local variation of grain boundary atomic structure and chemistry caused by segregation
of impurities influences the macroscopic properties of polycrystalline materials. Here, the …

Solute-atom segregation to< 110> symmetric tilt grain boundaries

JD Rittner, DN Seidman - Acta materialia, 1997 - Elsevier
Segregation of substitutional, oversized solute atoms to both equilibrium and metastable
structures of twenty-one〈 110〉 symmetric tilt grain boundaries (GBs) in an fcc binary alloy is …

Solute segregation at grain boundaries

S Hofmann, P Leiĉek - Interface Science, 1996 - Springer
This feature article summarizes the present art and science of grain boundary segregation
from the viewpoint of the authors activities in this field. In the part on equilibrium segregation …

Subnanometer scale study of segregation at grain boundaries in an Fe (Si) alloy

BW Krakauer, DN Seidman - Acta materialia, 1998 - Elsevier
The Gibbsian interfacial excess of silicon (ΓSi) was determined, on an atomic scale, for 14
grain boundaries (GBs) in a single-phase Fe–3at.% Si alloy, using a unique combined atom …

Models of equilibrium grain boundary segregation

P Lejcek, P Lejček - Grain boundary segregation in metals, 2010 - Springer
This chapter describes fundamentals of equilibrium grain boundary segregation. Two basic
approaches to description of this phenomenon are shown–Gibbs adsorption isotherm and …

Effect of Variables on Equilibrium Grain Boundary Segregation

P Lejcek, P Lejček - Grain Boundary Segregation in Metals, 2010 - Springer
This chapter deals with considering various effects on equilibrium grain boundary
segregation. The effects of intensive thermodynamic variables–temperature, concentration …

[PDF][PDF] Atomic-scale characterisation of grain boundary structure and segregation in bcc-iron

A Ahmadian - 2022 - pure.mpg.de
Body-centered cubic (bcc) Fe is the basis for all ferritic steels used in the automotive and
construction sectors. These metals have a polycrystalline nature, ie they contain grain …

Approaches to Study Grain Boundary Segregation

P Lejcek, P Lejček - Grain Boundary Segregation in Metals, 2010 - Springer
This chapter describes main experimental methods and theoretical procedures for detecting
the grain boundary segregation. Two basic classes of experimental methods are …