| Numéro |
J. Phys. Colloques
Volume 46, Numéro C4, Avril 1985
International Conference on the Structure and Properties of Internal Interfaces
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|---|---|---|
| Page(s) | C4-465 - C4-474 | |
| DOI | https://doi.org/10.1051/jphyscol:1985451 | |
International Conference on the Structure and Properties of Internal Interfaces
J. Phys. Colloques 46 (1985) C4-465-C4-474
DOI: 10.1051/jphyscol:1985451
Institute of Industrial Science, University of Tokyo, 22-1, Roppongi, 7 Chome, Minato-ku, Tokyo 106, Japan
J. Phys. Colloques 46 (1985) C4-465-C4-474
DOI: 10.1051/jphyscol:1985451
THEORETICAL STUDIES OF SEGREGATED INTERNAL INTERFACES
Y. Ishida et M. MoriInstitute of Industrial Science, University of Tokyo, 22-1, Roppongi, 7 Chome, Minato-ku, Tokyo 106, Japan
Abstract
Molecular dynamic calculations were performed on the grain boundary structure of iron, especially [100] and [110] symmetrical tilt coincidence-related boundaries segregated with phosphorous atoms with the ultimate purpose to understand the mechanism of grain boundary embrittlement in steels by the grain boundary segregation of IVb to VIb elements. The simulated structures showed the phosphorous segregation alters the grain boundary structure extensively and consequently, the mechanical behavior under an applied stress differs upon impurity atom segregation. The interaction of the segregated interfaces with nearby lattice dislocation and atomic process of crack propagation were simulated also by molecular dynamics technique.