Work-hardening of dual-phase steel : Dissertationsschrift

ISBN-13: 9783731505136 / Angielski / Miękka / 2016 / 385 str.

Florian Rieger

Opis

Dual-phase steels exhibit good mechanical properties due to a microstructure of strong martensitic inclusions embedded in a ductile ferritic matrix. This work presents a two-scale model for the underlying work-hardening effects; such as the distinctly different hardening rates observed for high-strength dual-phase steels. The model is based on geometrically necessary dislocations and comprises the average microstructural morphology as well as a direct interaction between the constituents.