Recent progress in gradient-structured metals and alloys

W Ji, R Zhou, P Vivegananthan, MS Wu, H Gao… - Progress in Materials …, 2023 - Elsevier
Gradient structures found in biological materials have served as a source of inspiration for
scientists seeking to enhance the performance of metals and alloys over the past decades …

Interface strain gradient enabled high strength and hardening in laminated nanotwinned Cu

Z Cheng, T Wan, L Lu - Acta Materialia, 2023 - Elsevier
Interfaces play a crucial role in mechanical behaviors of laminated materials. In this study, a
series of hard/soft nanotwinned Cu laminates with varying interface spacing from 200 to 33 …

Fundamental strengthening mechanisms of ordered gradient nanotwinned metals

Z Cheng, L Lu - Nano Research, 2023 - Springer
Ordered structures with functional units offer the potential for enhanced performance in
metallic materials. Among these structures, gradient nanotwinned (GNT) microstructures …

Microstructure, properties and synergetic effect of graphene oxide-functionalized carbon nanotubes hybrid reinforced copper matrix composites prepared by DC …

J Cao, Q Yang, L Zhou, H Chen, K Zhan, J Liu, R Ding… - Carbon, 2023 - Elsevier
As the prospective carbon materials, graphene oxide (GO) and carbon nanotubes (CNTs)
have attracted extensive attention in the fabrication of copper matrix composites (CMCs), but …

Origins of strengthening and toughening effects in twinned nanocrystalline alloys of low stacking fault energy with heterogeneous grain structure

K Gan, D Yan, Y Zhang, Z Li - Journal of the Mechanics and Physics of …, 2023 - Elsevier
Low stacking-fault energy (SFE) nanocrystalline alloys with pre-existing nanotwins (PNTs)
and heterogeneous grain structure (HGS) exhibit exceptional strength-ductility …

Understanding extra strengthening in gradient nanotwinned Cu using crystal plasticity model considering dislocation types and strain gradient effect

X Guo, J Zhang, T Kong, N Mao, C Sun, Y Cui… - International Journal of …, 2024 - Elsevier
Gradient nanotwinned (GNT) Cu, composed of various homogeneous nanotwinned (HNT)
components, successfully achieves the synergistic enhancement of strength and ductility …

Achieving ultra-high mechanical properties in metastable Co-free medium entropy alloy via hierarchically heterogeneous microstructure

Q Gao, X Zhang, S Feng, Z Han, C Chen… - Journal of Materials …, 2024 - Elsevier
A new metastable dual-phase Fe 59 Cr 13 Ni 18 Al 10 medium entropy alloy (MEA) with
hierarchically heterogeneous microstructure from micro-to nano-scale was designed in this …

Strong and ductile low carbon low alloy steels with multiphase bimodal microstructure

C Wang, R Chen, C Wang, Y Zhang, X Wang… - International Journal of …, 2024 - Elsevier
Restrained by the strength-ductility tradeoff, it is still challenging to develop advanced high-
strength low carbon low alloy (LCLA) steels with superior strength-ductility combinations and …

[HTML][HTML] Integrated modeling of the gradient structure evolution during surface mechanical grinding treatment: Formation mechanism and mechanical properties

H Kai, L Xiaoqiang, L Xiaochun, Z Jinxin, H Weiwei… - Materials & Design, 2023 - Elsevier
Gradient nanostructured materials are regarded as a promising class of architectures with
tunable mechanical properties, primarily dependent on the optimization of well-controlled …

[HTML][HTML] Tailoring the microstructure and mechanical properties of Cu–Fe alloy by varying the rolling path and rolling temperature

J Xu, B Guan, R Fu, Y Wu, Q Hu, J Zou, G Huang… - Journal of Materials …, 2023 - Elsevier
Cu–Fe alloys are expected to be extensively used in electronics, transportation and
machinery industries due to the extraordinary mechanical properties and functional …