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 …

Gradient and lamellar heterostructures for superior mechanical properties

X Wu, Y Zhu - MRS Bulletin, 2021 - Springer
Heterostructured (HS) materials are a novel class of materials with mechanical properties
that are superior over their conventional homogeneous counterparts. They are composed of …

Microstructure and mechanical properties of TC4/NiTi bionic gradient heterogeneous alloy prepared by multi-wire arc additive manufacturing

PF Jiang, MH Nie, XM Zong, XB Wang, ZK Chen… - Materials Science and …, 2023 - Elsevier
TC4/NiTi multi-materials structure components have been successfully fabricated via multi-
wire arc additive manufacturing (MWAAM). Here we show the interface characteristics and …

Deformation mechanisms in a novel multiscale hetero-structured Mg alloy with high strength-ductility synergy

T Wang, M Zha, Y Gao, SQ Wang, HL Jia… - International Journal of …, 2023 - Elsevier
Most of the high-strength Mg alloys exhibit poor ductility at room temperature. Architecturing
appropriate heterostructure in metallic materials gives rise to the breakthrough of the …

Heterostructured alloys with enhanced strength-ductility synergy through laser-cladding

RE Kim, ES Kim, GM Karthik, GH Gu, SY Ahn, H Park… - Scripta Materialia, 2022 - Elsevier
Heterostructuring has recently become a popular option to provide an excellent combination
of strength and ductility in alloys. However, its production is a challenging multi-step …

Failure causes and hardening techniques of railway axles–A review from the perspective of structural integrity

JW Gao, X Dai, SP Zhu, JW Zhao, JAFO Correia… - Engineering Failure …, 2022 - Elsevier
Fatigue is a classic and longstanding issue, which challenges railway axles' structural
integrity. In spite of its almost 200 years of research history, it has always been a hot topic …

[HTML][HTML] Recent progress in the CoCrNi alloy system

S Bajpai, BE MacDonald, TJ Rupert, H Hahn… - Materialia, 2022 - Elsevier
The exceptional mechanical properties, particularly at cryogenic temperatures, of the
equiatomic CoCrNi alloy are documented in numerous published studies. Similar to the …

Improving strength–ductility synergy in medium Mn steel by combining heterogeneous structure and TRIP effect

X Zhang, R Teng, T Liu, Y Shi, Z Lv, Q Zhou… - Materials …, 2022 - Elsevier
The deformation mechanisms of a novel medium Mn steel (Fe–0.14 C–7.8 Mn–1.65 Al–0.11
Zr, wt%) were investigated through mixed multiphase preservation-intercritical annealing …

Efficient design of harmonic structure using an integrated hetero-deformation induced hardening model and machine learning algorithm

HK Park, Y Kim, J Jung, HH Lee, JM Park, K Ameyama… - Acta Materialia, 2023 - Elsevier
Harmonic structured material (HSM) of coarse-grained core and fine-grained shell
microstructure in SS304L was designed using a three-dimensional numerical model …

Fabrication of multi-gradient heterostructured CoCrFeMnNi high-entropy alloy using laser metal deposition

GH Gu, ES Kim, H Kwon, S Son, RE Kim, TG Oh… - Materials Science and …, 2022 - Elsevier
Heterostructured materials have superior strength–ductility behavior than conventional
homogenous materials. In this study, a multi-gradient heterostructured CoCrFeMnNi high …