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 …

A review of microstructure and texture evolution during plastic deformation and heat treatment of β-Ti alloys

A Gupta, R Khatirkar, J Singh - Journal of Alloys and Compounds, 2022 - Elsevier
In the present work, microstructure and texture evolution during plastic deformation and
annealing treatment of near beta (β), meta-stable β, and stable β-Ti alloys are reviewed. The …

Stacking fault energy in concentrated alloys

M Shih, J Miao, M Mills, M Ghazisaeidi - Nature communications, 2021 - nature.com
We revisit the meaning of stacking fault energy (SFE) and the assumptions of equilibrium
dissociation of lattice dislocations in concentrated alloys. SFE is a unique value in pure …

Tunable stacking fault energies by tailoring local chemical order in CrCoNi medium-entropy alloys

J Ding, Q Yu, M Asta… - Proceedings of the …, 2018 - National Acad Sciences
High-entropy alloys (HEAs) are an intriguing new class of metallic materials due to their
unique mechanical behavior. Achieving a detailed understanding of structure–property …

Real-time observations of TRIP-induced ultrahigh strain hardening in a dual-phase CrMnFeCoNi high-entropy alloy

S Chen, HS Oh, B Gludovatz, SJ Kim, ES Park… - Nature …, 2020 - nature.com
Strategies involving metastable phases have been the basis of the design of numerous
alloys, yet research on metastable high-entropy alloys is still in its infancy. In dual-phase …

Designing against phase and property heterogeneities in additively manufactured titanium alloys

J Zhang, Y Liu, G Sha, S Jin, Z Hou, M Bayat… - Nature …, 2022 - nature.com
Additive manufacturing (AM) creates digitally designed parts by successive addition of
material. However, owing to intrinsic thermal cycling, metallic parts produced by AM almost …

Si-addition contributes to overcoming the strength-ductility trade-off in high-entropy alloys

D Wei, W Gong, T Tsuru, I Lobzenko, X Li… - International Journal of …, 2022 - Elsevier
Face-centered cubic single-phase high-entropy alloys (HEAs) containing multi-principal
transition metals have attracted significant attention, exhibiting an unprecedented …

Metalloid substitution elevates simultaneously the strength and ductility of face-centered-cubic high-entropy alloys

D Wei, L Wang, Y Zhang, W Gong, T Tsuru, I Lobzenko… - Acta Materialia, 2022 - Elsevier
Recently-developed high-entropy alloys (HEAs) containing multiple principal metallic
elements have extended the compositional space of solid solutions and the range of their …

Segregation engineering of grain boundaries of a metastable Fe-Mn-Co-Cr-Si high entropy alloy with laser-powder bed fusion additive manufacturing

S Thapliyal, P Agrawal, P Agrawal, SS Nene… - Acta Materialia, 2021 - Elsevier
Laser-powder bed fusion (L-PBF) additive manufacturing offers unprecedented
microstructural fine-tuning capabilities. Naturally, benefitting from such capability requires …

Nano-scale heterogeneity-driven metastability engineering in ferrous medium-entropy alloy induced by additive manufacturing

JM Park, P Asghari-Rad, A Zargaran, JW Bae, J Moon… - Acta Materialia, 2021 - Elsevier
Selective laser melting (SLM) offers unprecedented advantages in fabrication of metals and
alloys with complex geometry and unique microstructural features with hierarchical …