Additive manufacturing of alloys with programmable microstructure and properties

S Gao, Z Li, S Van Petegem, J Ge, S Goel… - Nature …, 2023 - nature.com
In metallurgy, mechanical deformation is essential to engineer the microstructure of metals
and to tailor their mechanical properties. However, this practice is inapplicable to near-net …

Hetero-zone boundary affected region: a primary microstructural factor controlling extra work hardening in heterostructure

Y Wang, Y Zhu, Z Yu, J Zhao, Y Wei - Acta Materialia, 2022 - Elsevier
Heterostructured metals possess superior mechanical properties exceeding the prediction
by the rule-of-mixtures. However, it remains a challenge to understand the key …

Superior mechanical properties and deformation mechanisms of a 304 stainless steel plate with gradient nanostructure

YT Sun, X Kong, ZB Wang - International Journal of Plasticity, 2022 - Elsevier
Spatially gradient microstructures have shown a promising application in enhancing
strength-ductility synergy of engineering metals such as austenitic stainless steels. However …

Study of grain boundary orientation gradients through combined experiments and strain gradient crystal plasticity modeling

N Pai, A Prakash, I Samajdar, A Patra - International Journal of Plasticity, 2022 - Elsevier
A combined experimental and strain gradient crystal plasticity framework is presented for
studying the development of orientation and misorientation gradients at the grain …

The importance of interfacial stress-affected zone in evading the strength-ductility trade-off of heterogeneous multi-layered composites

H Wu, M Huang, Y **a, X Li, R Li, C Liu, W Gan… - International Journal of …, 2023 - Elsevier
The interfacial stress-affected zone (ISAZ), characterized by a stress gradient maximizing at
the interface, is considered a key factor in determining the mechanical properties of …

Achieving superior strength-ductility balance in a novel heterostructured strong metastable β-Ti alloy

CL Zhang, XY Bao, DD Zhang, W Chen… - International Journal of …, 2021 - Elsevier
In metastable β-Ti alloys, the primary deformation mechanisms, including ordinary
dislocation plasticity (ODP), deformation twinning (DT), and phase transformation, are …

Crystal plasticity quantification of anisotropic tensile and fatigue properties in laser powder bed fused Inconel 718 superalloy

M Toursangsaraki, D Du, H Wang, A Dong - Additive Manufacturing, 2024 - Elsevier
The high thermal gradients during the laser powder bed fusion (LPBF) process induce an
inhomogeneous microstructure with anisotropic mechanical properties. This study …

Quantification of α phase strengthening in titanium alloys: crystal plasticity model incorporating α/β heterointerfaces

M Zhang, J Li, B Tang, WY Wang, K Li, T Zhang… - International Journal of …, 2022 - Elsevier
A strategy to quantify the second phase strengthening of α precipitates in titanium alloys is
proposed to predict the mechanical performance through crystal plasticity finite element …

Discontinuous coarsening leads to unchanged tensile properties in high-entropy alloys with different recrystallization volume fractions

Z Yang, X Liu, J Zhao, Q Zeng, K Xu, Y Li… - International Journal of …, 2024 - Elsevier
Heterogeneous microstructure alloys provide a possibility for the combination of strength
and ductility. As a typical heterogeneous microstructure, partially recrystallized …

Laser shock peened Ti-6Al-4 V alloy: Experiments and modeling

J Zhao, X Pan, J Li, Z Huang, Q Kan, G Kang… - International Journal of …, 2022 - Elsevier
Systematical microstructure characterization, mechanical testing and constitutive modeling
were carried out to quantify the effects of residual stress and grain refinement on tensile …