Strengthening mechanisms in equiatomic ultrafine grained AlCoCrCuFeNi high-entropy alloy studied by micro-and nanoindentation methods

RS Ganji, PS Karthik, KBS Rao, KV Rajulapati - Acta Materialia, 2017 - Elsevier
A single phase fcc based nanocrystalline solid solution in equiatomic AlCoCrCuFeNi high-
entropy alloy (HEA) has been synthesized using ball milling. The milled powders were of …

Effect of substitution of Zn with Ni on microstructure evolution and mechanical properties of LPSO dominant Mg–Y–Zn alloys

J Lyu, J Kim, H Liao, J She, J Song, J Peng… - Materials Science and …, 2020 - Elsevier
The microstructures and mechanical properties of Mg 96 Y 2 Zn 2 (MYZ), Mg 96 Y 2 Zn 1 Ni
1 (MYZN), and Mg 96 Y 2 Ni 2 (MYN)(at.%) alloys have been systematically examined in this …

Unveiling initial oxidation behavior of Mg-Y-Zn long-period stacking ordered (LPSO) phase

LD Xu, SJ Ding, XC Cai, Y Wu, ZJ Li, KK Wen, SW Xin… - Corrosion …, 2022 - Elsevier
The oxidation of long-period stacking ordered (LPSO) phase has received little attention.
The present work reveals the inherent oxidation behavior of Mg-Y-Zn LPSO phase at initial …

Characterization of a novel 14H-LPSO structure and related elevated-temperature mechanical behaviors in an extruded Mg–Y–Zn–Cu alloy

BQ Shi, LY Zhao, DC Chen, CQ Li, Y Dong… - Materials Science and …, 2020 - Elsevier
Abstract A Mg-2.1 Y-0.5 Zn-0.6 Cu-0.1 Zr (WZC200, in at.%) alloy was developed and
conducted to extrusion process to refine the grains as well as LPSO structure, aiming to …

Suppressing effect of heat treatment on the Portevin–Le Chatelier phenomenon of Mg–4% Li–6% Zn–1.2% Y alloy

CQ Li, DK Xu, BJ Wang, LY Sheng, EH Han - Journal of Materials Science & …, 2016 - Elsevier
Microstructural evolution and Portevin–Le Chatelier (PLC) phenomenon of the as-extruded
Mg–4% Li–6% Zn–1.2% Y alloy before and after heat treatment have been investigated. It …

Exceptional thermal stability of ultrafine-grained long-period stacking ordered Mg alloy

SJ Ding, LD Xu, XC Cai, SXY Gu, KK Wen, H Yu… - Rare Metals, 2022 - Springer
The hierarchical long-period stacking ordered (LPSO) architecture composed mainly of an
ultrafine-grained LPSO matrix has been demonstrated to be a feasible design strategy for …

Tailoring Deformation Homogeneity of WE43 Alloy through Strain Rate Sensitivity and Back Pressure during Equal Channel Angular Pressing

M Daghigh, M Mohri, M Nili-ahmadabadi - Journal of Materials …, 2024 - Springer
Equal channel angular pressing (ECAP) of the magnesium alloys at room temperature
owing to their limited workability is challenging. Successful ECAP processing of WE43 …

Nanoindentation on the Transformation of LPSO Phases during Different Solution Heat Treatments in an Mg-Dy-Nd-Zn-Zr Alloy

P Maier, M Schmahl, B Clausius, C Joy, C Fleck - Crystals, 2022 - mdpi.com
The objective of this study is the investigation of nanomechanical properties using
nanoindentation of extruded and heat-treated Mg-Dy-Nd-Zn-Zr, with an emphasis on the …

Age strengthening behavior and mechanical properties of Mg–Dy based alloys containing LPSO phases

G Zou, X Cai, D Fang, Z Wang, T Zhao… - Materials Science and …, 2015 - Elsevier
A unique age strengthening behavior of a Mg–2.2 Dy–1Cu (at%) alloy containing long-
period stacking order (LPSO) phases has been observed during the heat-treatment process …

Length scale dependent alloying and strain-rate sensitivity of Ti/Ni multilayers

J Shi, MZ Wei, YJ Ma, LJ Xu, ZH Cao… - Materials Science and …, 2015 - Elsevier
In this paper, we prepared alloying Ti/Ni multilayers through changing modulation periods
(λ) and subsequent annealing. Strain rate sensitivity of the multilayers was investigated by …