Segregation-induced changes in grain boundary cohesion and embrittlement in binary alloys

MA Gibson, CA Schuh - Acta Materialia, 2015 - Elsevier
… the boundary, but not both phenomena together. We develop a model for the change in
cohesive energy of a grain boundary of … A heuristic grain boundary cohesion map is presented to …

Effects of transition metals on the grain boundary cohesion in tungsten

W Setyawan, RJ Kurtz - Scripta Materialia, 2012 - Elsevier
… The cohesion effect of transition metals on W grain boundaries (GBs) was studied via first-…
Furthermore, lower- and higher-valence elements enhance cohesion at different positions. …

Effect of Mo and Pd on the grain-boundary cohesion of Fe

WT Geng, AJ Freeman, R Wu, GB Olson - Physical Review B, 2000 - APS
… on the cohesion of the Fe Σ3(111) grain boundary are … effect on the Fe grain-boundary
cohesion, while Pd behaves as a … to fit well in the grain-boundary hole, whereas Pd introduces …

Effects of carbon on Fe-grain-boundary cohesion: First-principles determination

R Wu, AJ Freeman, GB Olson - Physical Review B, 1996 - APS
… The cohesive properties of the C/FeΣ3(111) grain boundary … in binding energies of C
in grain-boundary and free-surface … the clean and C-segregated grain-boundary and free-surface …

Impurity effects on the grain boundary cohesion in copper

Y Li, PA Korzhavyi, R Sandström, C Lilja - Physical Review Materials, 2017 - APS
… )[001] tilt grain boundary in Cu. We show that for these impurities segregating to the grain
boundary, the strain contribution to the work of grain boundary decohesion is small and that …

Influence of alloying additions on grain boundary cohesion of transition metals: First-principles determination and its phenomenological extension

WT Geng, AJ Freeman, GB Olson - Physical review B, 2001 - APS
… alloying addition on grain boundary cohesion of metallic alloys, … Mo and Pd on the Fe grain
boundary cohesion. With the bulk … effect of A at the grain boundary of M can be predicted …

The importance of grain boundary morphology and cohesion on intergranular strength

JE Doherty, AF Giamei, BH Kear - Canadian Metallurgical Quarterly, 1974 - Taylor & Francis
… Since this early work, the problem of grain boundary … it is now recognized that failures
related to grain boundary … with poor intergranular cohesion or poor intergranular shear …

First principles determination of the effects of phosphorus and boron on iron grain boundary cohesion

R Wu, AJ Freeman, GB Olson - Science, 1994 - science.org
… normal to the boundary contributing to cohesion enhancement. … for improvement of grain
boundary-sensitive properties. … often limited by the cohesion of crystal grain boundaries as in…

Effects of alloying elements on cohesion and brittleness of grain boundary of iron

YC Jiang, J Zhao, L Sun, HR Gong, X Gong - Materials chemistry and …, 2022 - Elsevier
… more favorable to segregate to the grain boundary of BCC Fe than the alloying … cohesion
strength of the grain boundary of Fe. Additionally, the effects of Mo and Cr on grain boundary

The influence of segregation on grain boundary cohesion

JP Stark, HL Marcus - Metallurgical Transactions A, 1977 - Springer
boundary, we have devised two models which adequately describe the energetics of grain
boundary segregation induced intergranular fracture. In the first model the cohesive energy of …