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 …

[HTML][HTML] Atomistic simulations of plasticity heterogeneity in gradient nano-grained FCC metals

L Xu, Z Huang, Q Shen, F Chen - Materials & Design, 2022 - Elsevier
Gradient nano-grained (GNG) metals are an emerging class of heterogeneous structured
materials with extraordinary mechanistic performances and unnatural plasticity mechanisms …

Simultaneously Enhanced Dam** and Stiffness of Amorphous Diaphite

ZT Zhang, HA Wu, YB Zhu - ACS nano, 2024 - ACS Publications
High-performance dam** materials are crucial for numerous applications, yet traditional
materials often face a fundamental trade-off between the dam** properties and …

Synergy of Spall Strength and Toughness in Nanograined Metals

Y Zhu, S Qian, L Qiu, X Yang, Y Yang, G Luo… - Nano Letters, 2024 - ACS Publications
Under shock loading, the spall strength of nanocrystals exhibits intricate grain-size effects
due to the presence of abundant grain boundary and dislocation activities. However, the …

Effect of Cu alloying on the dam** and compression properties of graphene nanoplatelets reinforced Al-30Zn-xCu alloy matrix composites

Z Zhong, X Jiang, H Sun, Y Pang, Z Wu… - Materials Science and …, 2024 - Elsevier
For a long time, metal matrix composites (MMCs) have always faced a trade-off between
dam** and mechanical properties, and this is especially true for high-Zn Al alloy matrix …

Grain size gradient effect on grain boundary mediated deformation of nano-grained metals

L Xu, Z Huang, MS Wu, F Chen - Engineering Fracture Mechanics, 2024 - Elsevier
The extraordinary mechanical performance of gradient nano-grained (GNG) structures is
characterized by the heterogeneity of dislocation-based and grain boundary (GB)-based …

Effect of stacking fault energy on hetero-deformation in gradient nanograined Cu-Ni alloys

L Xu, Z Huang, Q Shen, F Chen - Mechanics of Materials, 2024 - Elsevier
The stacking fault energy (SFE) effect on nanocrystalline metal deformation mechanisms
has been extensively studied from dislocation and grain boundary perspectives. Compared …

[HTML][HTML] Transformation pathway of NiTi shape memory alloy and its modulation based on grain size gradient: A molecular dynamics study

A Zhang, S Zhang, C Du, F Wu, C Li - Journal of Materials Research and …, 2024 - Elsevier
The reduction of grain size to nanoscale is a common approach to enhance material
properties, such as fatigue resistance and overall strength of Shape Memory Alloys (SMAs) …

Effect of Loading Method, Temperature, and Twin Defects on the Mechanical Behavior of Nanocrystalline Ni with Gradient Spacing Twin Structure

W Zhang, X Guo, J Ren, J Li, H Xue, F Tang… - Crystal Growth & …, 2023 - ACS Publications
We study the mechanical behavior of gradient spacing twin-structured single-crystal Ni
nanopillars under the conditions of different loading methods, temperatures, and twin …

A Combined Microscopy Study of the Microstructural Evolution of Ferritic Stainless Steel upon Deep Drawing: The Role of Alloy Composition

A Núñez, I Collado, M De la Mata, JF Almagro… - … of Manufacturing and …, 2024 - mdpi.com
Ferritic stainless steel (FSS) is widely used to manufacture deep-drawn products for
corrosion resistance applications, being the alloy drawability strongly affected by its …