| Numéro |
J. Phys. IV France
Volume 06, Numéro C1, Janvier 1996
MECAMAT'95International Seminar on Mechanics and Mechanisms of Solid-Solid Phase Transformations |
|
|---|---|---|
| Page(s) | C1-407 - C1-418 | |
| DOI | https://doi.org/10.1051/jp4:1996139 | |
MECAMAT'95
International Seminar on Mechanics and Mechanisms of Solid-Solid Phase Transformations
J. Phys. IV France 06 (1996) C1-407-C1-418
DOI: 10.1051/jp4:1996139
Northwestern University, Department of Materials Science and Engineering, 2225 North Campus Drive, Evanston, IL 60208-3108, U.S.A.
© EDP Sciences 1996
International Seminar on Mechanics and Mechanisms of Solid-Solid Phase Transformations
J. Phys. IV France 06 (1996) C1-407-C1-418
DOI: 10.1051/jp4:1996139
Transformation Plasticity and Toughening
G.B. OlsonNorthwestern University, Department of Materials Science and Engineering, 2225 North Campus Drive, Evanston, IL 60208-3108, U.S.A.
Abstract
Analysis of the dynamic evolution of multilevel structure during martensitic transformations provides kinetics-based constitutive relations for transformation plasticity. Application in numerical modeling of ductile fracture by microvoid-softening-induced shear localization, in conjunction wilh metallographic study of crack-tip processes, identifies transformation toughening mechanisms operating on three structural length scales. Dispersed-phase transformation toughening in ultrahigh-strength martensitic steels demonstrates record levels of fracture toughness.
© EDP Sciences 1996