Bulk metallic glass composites containing B2 phase

Y Chen, C Tang, JZ Jiang - Progress in Materials Science, 2021 - Elsevier
The brittleness and work-softening of Bulk Metallic Glasses (BMGs) prevent their wide
applications as structural engineering materials. In order to settle this problem, the BMG …

High-entropy intermetallic compound with ultra-high strength and thermal stability

K Yao, L Liu, J Ren, Y Guo, Y Liu, Y Cao, R Feng, F Wu… - Scripta Materialia, 2021 - Elsevier
The current research of high-entropy alloys (HEAs) is mainly focused on simple solid-
solution alloys or alloys with precipitation strengthening phases. In the present work, we …

In situ neutron diffraction and polycrystal plasticity modeling of a Mg–Y–Nd–Zr alloy: effects of precipitation on individual deformation mechanisms

SR Agnew, RP Mulay, FJ Polesak Iii, CA Calhoun… - Acta Materialia, 2013 - Elsevier
In situ neutron diffraction compression tests were performed on Mg–Y–Nd–Zr alloy WE43, in
the solution heat-treated, peak-and over-aged conditions. The flow curves and internal strain …

Refractory high entropy alloy with ductile intermetallic B2 matrix/hard bcc particles and exceptional strain hardening capacity

N Yurchenko, E Panina, D Shaysultanov, S Zherebtsov… - Materialia, 2021 - Elsevier
In this study, a new Nb 30 Mo 30 Hf 20 Co 20 (at.%) refractory high entropy alloy (RHEA)
comprising an intermetallic (Hf, Co)-rich B2 matrix and disordered (Nb, Mo)-rich bcc particles …

Mechanical properties of (HfCo) 100− x (NbMo) x refractory high-entropy alloys with a dual-phase bcc-B2 structure

E Panina, N Yurchenko, A Tojibaev, M Mishunin… - Journal of Alloys and …, 2022 - Elsevier
The common concept for the development of the high-performance metallic materials is
associated with the combination of a soft disordered matrix and hard ordered …

[HTML][HTML] Deformation mechanisms and their role in the lack of ductility in the refractory-based high entropy alloy AlMo0. 5NbTa0. 5TiZr

GB Viswanathan, ZT Kloenne, JP Couzinié, BA Welk… - Acta Materialia, 2024 - Elsevier
The deformation mechanisms in the refractory high entropy alloy AlMo 0.5 NbTa 0.5 TiZr
have been investigated, with their potential impact on ductility. Specifically, the modes of …

Significantly ameliorating room-temperature brittleness of refractory high-entropy alloys via in situ heterogeneous structure

D Han, B Yang, W Xu, H Yang, G Han, X Wang… - Journal of Materials …, 2024 - Elsevier
Although refractory high-entropy alloys (RHEAs) possess excellent softening resistance and
thermal stability at high temperatures, their practical application is often limited due to room …

A Study of the Structure and Mechanical Properties of Nb-Mo-Co-X (X= Hf, Zr, Ti) Refractory High-Entropy Alloys

ES Panina, NY Yurchenko, AA Tozhibaev… - Physical …, 2023 - Springer
Refractory high-entropy alloys (HEAs) are a new class of metallic materials based on group
4–6 elements of the periodic table with possible additions of Al, Si, Re, C, or B. Some single …

[HTML][HTML] Co and Ti effect on hot workability of phosphor bronze

HS Shin, SZ Han, EA Choi, JH Ahn, S Kim… - Journal of Alloys and …, 2022 - Elsevier
It is known that Cu-Sn alloy is difficult to hot working due to Sn segregation which occurs
during solidification. Sn segregation is formed at grain boundary and it acts as crack …

Neutron strain measurement

AD Krawitz - Materials Science and Technology, 2011 - Taylor & Francis
The use of neutrons has extended the technique of diffraction strain measurement from an
essentially two-dimensional, near-surface tool using X-rays to a true three-dimensional …