Harmonic structure, a promising microstructure design

K Ameyama, F Cazes, H Couque, G Dirras… - Materials Research …, 2022 - Taylor & Francis
The harmonic structure is a recently introduced concept paving the way for engineering
metallic materials to achieve excellent mechanical performance. They consist of soft coarse …

[HTML][HTML] Severe plastic deformation for producing Superfunctional ultrafine-grained and heterostructured materials: An interdisciplinary review

K Edalati, AQ Ahmed, S Akrami, K Ameyama… - Journal of Alloys and …, 2024 - Elsevier
Ultrafine-grained and heterostructured materials are currently of high interest due to their
superior mechanical and functional properties. Severe plastic deformation (SPD) is one of …

Enhanced synergy of strength-ductility and low-cycle fatigue resistance of high-entropy alloy through harmonic structure design

Z Zhang, X Zhai, G Chen, X Chen, K Ameyama - Scripta Materialia, 2022 - Elsevier
Compared with homogeneous structured materials, heterogeneous structured materials
exhibit unprecedented performances. In the present work, a series of harmonic structured …

Experimental and numerical investigations of plastic strain mechanisms of AISI 316L alloys with bimodal grain size distribution

C Keller, M Calvat, B Flipon, F Barbe - International Journal of Plasticity, 2022 - Elsevier
In this article, the plastic strain mechanisms of AISI 316L with bimodal grain size distributions
are investigated using experimental characterizations and numerical simulations. Using …

Effects of rolling reduction and direction on fatigue crack propagation in commercially pure titanium with harmonic structure

Y Nakai, S Kikuchi, K Osaki, MO Kawabata… - International Journal of …, 2021 - Elsevier
Cold rolling followed by heat treatment was performed on commercially pure titanium with a
bimodal harmonic structure, which is defined as a coarse-grained region (Core) surrounded …

Fatigue crack growth behavior in a harmonic structure designed austenitic stainless steel

G Zhou, H Ma, Z Zhang, J Sun, X Wang, P Zeng… - Materials Science and …, 2019 - Elsevier
Heterogeneous nanograined structures have been proposed to achieve unprecedented
mechanical properties. The objective of the present work is to investigate fatigue crack …

Low-cycle fatigue behavior and life prediction of fine-grained 316LN austenitic stainless steel

Z Zhang, A Li, Y Wang, Q Lin, X Chen - Journal of Materials …, 2020 - cambridge.org
Grain refinement has been applied to enhance the materials strength for miniaturization and
lightweight design of nuclear equipment. It is critically important to investigate the low-cycle …