Twin-coupled shear bands in an ultrafine-grained CoCrFeMnNi high-entropy alloy deformed at 77K

X Li, S Sun, Y Zou, Q Zhu, Y Tian… - Materials Research …, 2022 - Taylor & Francis
Two different types of shear bands generate in ultrafine-grained (UFG) CoCrFeMnNi high-
entropy alloys deformed at 77 K, ie commonly-observed low angle grain boundary (LAGB) …

Transition of twinning behavior in CoCrFeMnNi high entropy alloy with grain refinement

SJ Sun, YZ Tian, HR Lin, HJ Yang, XG Dong… - Materials Science and …, 2018 - Elsevier
Fully recrystallized CoCrFeMnNi high entropy alloys (HEAs) with different grain sizes
ranging from 503 nm to 88.9 µm were fabricated by cold rolling and controlled annealing …

Element effects of Mn and Ge on the tuning of mechanical properties of high-entropy alloys

TN Lam, CW Tsai, BK Chen, BH Lai, HC Liu… - … Materials Transactions A, 2020 - Springer
Abstract Substitution of Ge for Mn increases the elastic moduli of different {hkl} orientations
of the CoCrFeMnNi-based high-entropy alloy. Our findings indicate that tuning minor …

Strain-Rate-Dependent mechanical behavior of a non-Equimolar CoCrFeMnNi high entropy alloy with a segmented coarse grain structure

H Li, C Shao, OK Orhan, DF Rojas, M Ponga… - Materialia, 2022 - Elsevier
The mechanical response of a Co 11.3 Cr 20.4 Fe 22.6 Mn 21.8 Ni 23.9 (wt%) high entropy
alloy with a segmented coarse grain structure is investigated using strain-rate-dependent …

Microstructure and mechanical properties of cold drawing CoCrFeMnNi high entropy alloy

X Ma, J Chen, X Wang, Y Xu, Y Xue - Journal of Alloys and Compounds, 2019 - Elsevier
The present study investigated the effects of cold drawing deformation on the microstructure
and mechanical properties of CoCrFeMnNi high entropy alloy. The results showed that at …

Twinning-mediated work hardening and texture evolution in CrCoFeMnNi high entropy alloys at cryogenic temperature

TK Liu, Z Wu, AD Stoica, Q Xie, W Wu, YF Gao, H Bei… - Materials & Design, 2017 - Elsevier
The cryogenic plastic deformation of CrCoFeMnNi high entropy alloy is characterized by
three distinct stages based on the change of the work hardening rate. Microstructure and …

Mechanical behavior and shear band of a powder-metallurgy-fabricated CoCrFeMnNi high-entropy alloy during high strain-rate deformation

W Li, B Wang, X Huang, B Liu, J Brechtl… - journal of materials …, 2022 - Elsevier
High-entropy alloys (HEAs) fabricated by powder metallurgy are considered to exhibit
extremely-great potential application values in the field for high-speed impact deformation …

Effect of strain path on microstructure and texture formation in cold-rolled and annealed FCC equiatomic CoCrFeMnNi high entropy alloy

SR Reddy, MZ Ahmed, GD Sathiaraj, PP Bhattacharjee - Intermetallics, 2017 - Elsevier
The effect of strain path on microstructure and texture formation in an equiatomic
CoCrFeMnNi high entropy alloy was investigated. For this purpose, the alloy was cold-rolled …

Domain structure and lattice effects in a severely plastically deformed CoCrFeMnNi high entropy alloy

A Singh, DA Basha, Y Matsushita, K Tsuchiya… - Journal of Alloys and …, 2020 - Elsevier
An equiatomic high entropy CoCrFeMnNi alloy has been processed by caliber rolling and its
microstructure studied by transmission electron microscopy (TEM). The cast dendritic …

Mechanical properties and deformation twinning behavior of as-cast CoCrFeMnNi high-entropy alloy at low and high temperatures

JH Kim, KR Lim, JW Won, YS Na, HS Kim - Materials Science and …, 2018 - Elsevier
Tensile properties of an as-cast CoCrFeMnNi high-entropy alloy were investigated at
various temperatures ranging from− 160 to 1000° C. The tensile strength and ductility did not …