Localized Deformation in Multiphase, Ultra-Fine-Grained 6 Pct Mn Transformation-Induced Plasticity Steel

By S. Lee, Seok-Jae Lee, Sanjay Kumar, K. Lee, B. D. Cooman. 2011

189 citations recorded by the source corpus.

Multiphase, ultra-fine-grained transformation-induced plasticity (MP UFG TRIP) steel containing 6 mass pct Mn was obtained by cold rolling and intercritical annealing of an initially fully martensitic microstructure. UFG microstructures with an average grain size less than 300 nm were obtained. The amount of austenite in the microstructures, speculated to be formed by diffusionless transformation, was controlled by changing the intercritical temperature. The tensile properties were strongly influenced by the volume amount and the stability of the reversely transformed austenite. The MP UFG TRIP steel was characterized by pronounced localization of the deformation. The deformation band properties were analyzed in detail.

Subfields: Materials Chemistry, Mechanical Engineering

View Paper: https://www.semanticscholar.org/paper/e5c67628081d5f0edccc9d6cf371202fb3447206

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In Materials Chemistry

1. Jeongho Han
2. Young‐kook Lee
3. O. A. Zambrano

In Mechanical Engineering

1. Jeongho Han
2. Young‐kook Lee
3. O. A. Zambrano

Citations in the corpus

• Current opinion in medium manganese steel (2015, background): “Figure 6 shows TEM photos and energy dispersive X-ray spectroscopic (EDXS) analyses of Fe–6?15Mn– 0?05C–1?5Si (wt-%) cold rolled steel annealed at various temperatures.(21) The Mn concentration of cR decreases from 11?63 to 7?29 wt-% with increasing annealing temperature.”