Twinning-induced plasticity (TWIP) steels

BC De Cooman, Y Estrin, SK Kim - Acta Materialia, 2018 - Elsevier
This article reviews original work and important new developments in the field of
deformation behavior of high manganese face-centered cubic γ-Fe alloys. Owing to their …

Physical metallurgy of medium-Mn advanced high-strength steels

B Sun, A Kwiatkowski da Silva, Y Wu, Y Ma… - International …, 2023 - Taylor & Francis
Steels with medium manganese (Mn) content (3∼ 12 wt-%) have emerged as a new alloy
class and received considerable attention during the last decade. The microstructure and …

The evolution of the deformation substructure in a Ni-Co-Cr equiatomic solid solution alloy

J Miao, CE Slone, TM Smith, C Niu, H Bei… - Acta Materialia, 2017 - Elsevier
The equiatomic NiCoCr alloy exhibits an excellent combination of strength and ductility,
even greater than the FeNiCrCoMn high entropy alloy, and also displays a simultaneous …

Potential TRIP/TWIP coupled effects in equiatomic CrCoNi medium-entropy alloy

L Ding, A Hilhorst, H Idrissi, PJ Jacques - Acta Materialia, 2022 - Elsevier
High-entropy alloys (HEA) and medium-entropy alloys (MEA), containing multiple principal
elements typically with equiatomic or near-equiatomic ratios, have drawn considerable …

New developments of advanced high-strength steels for automotive applications

JH Schmitt, T Iung - Comptes Rendus. Physique, 2018 - comptes-rendus.academie-sciences …
The development of materials for automobile applications, especially for the body in white,
results from multiple and often contradictory constraints: a search for lightness, a high …

In-situ SEM observation of phase transformation and twinning mechanisms in an interstitial high-entropy alloy

M Wang, Z Li, D Raabe - Acta Materialia, 2018 - Elsevier
The recently developed interstitial high-entropy alloys (iHEAs) exhibit an enhanced
combination of strength and ductility. These properties are attributed to dislocation …

Effect of temperature on the stacking fault energy and deformation behaviour in 316L austenitic stainless steel

D Molnar, X Sun, S Lu, W Li, G Engberg… - Materials Science and …, 2019 - Elsevier
The stacking fault energy (SFE) is often used as a key parameter to predict and describe the
mechanical behaviour of face centered cubic material. The SFE determines the width of the …

Joint contribution of transformation and twinning to the high strength-ductility combination of a FeMnCoCr high entropy alloy at cryogenic temperatures

ZF He, N Jia, D Ma, HL Yan, ZM Li, D Raabe - Materials Science and …, 2019 - Elsevier
The microstructure-mechanical property relationships of a non-equiatomic FeMnCoCr high
entropy alloy (HEA), which shows a single face-centered cubic (fcc) structure in the …

Smaller is less stable: size effects on twinning vs. transformation of reverted austenite in TRIP-maraging steels

MM Wang, CC Tasan, D Ponge, A Kostka, D Raabe - Acta Materialia, 2014 - Elsevier
Steels containing reverted nanoscale austenite (γ RN) islands or films dispersed in a
martensitic matrix show excellent strength, ductility and toughness. The underlying …

Design metastability in high-entropy alloys by tailoring unstable fault energies

X Wang, RR De Vecchis, C Li, H Zhang, X Hu… - Science …, 2022 - science.org
Metastable alloys with transformation-/twinning-induced plasticity (TRIP/TWIP) can
overcome the strength-ductility trade-off in structural materials. Originated from the …