High-entropy alloys with heterogeneous microstructure: processing and mechanical properties

P Sathiyamoorthi, HS Kim - Progress in Materials Science, 2022 - Elsevier
Engineering metallic materials are an essential class of materials for a variety of industrial
applications due to their competitive mechanical properties, especially strength and ductility …

The B2 phase-driven microstructural heterogeneities and twinning enable ultrahigh cryogenic strength and large ductility in NiCoCr-based medium-entropy alloy

DD Zhang, JY Zhang, J Kuang, G Liu, J Sun - Acta Materialia, 2022 - Elsevier
In this work, we designed heterogeneous (NiCoCr) 88 Al 10 Ta 2 (at.%) duplex medium-
entropy alloy (MEA) comprising the face-centered-cubic (FCC) matrix and the B2 phase …

Ultra-strong heavy-drawn eutectic high entropy alloy wire

JX Chen, T Li, Y Chen, FH Cao, HY Wang, LH Dai - Acta materialia, 2023 - Elsevier
Metallic wires with high strength-ductility at both room and cryogenic temperatures are
always pursued for engineering applications. However, traditional metallic wires are tortured …

Dual heterogeneous structure facilitating an excellent strength-ductility combination in an additively manufactured multi-principal-element alloy

J Huang, W Li, J He, R Zhou, TH Chou… - Materials Research …, 2022 - Taylor & Francis
The (FeCoNi) 86Ti7Al7 multi-principal-element alloy with a dual heterogeneous
microstructure was successfully fabricated by selective laser melting, exhibiting an excellent …

Deformation-induced grain boundary segregation mediated high-strain rate superplasticity in medium entropy alloy

P Asghari-Rad, NTC Nguyen, A Zargaran… - Scripta Materialia, 2022 - Elsevier
Superplasticity refers to extremely high plastic deformation of crystalline materials at
homologous temperature. In particular, high-strain rate superplasticity (HSRS) at a strain …

Combined strengthening from nanoprecipitates, stacking faults and nano-twins enables a strong and ductile medium-entropy alloy

B Li, K Ming, K Tu, Z Li, L Bai, S Zheng - Materials Science and …, 2023 - Elsevier
Single-phase face-centered cubic (fcc) alloys typically exhibit remarkable strain-hardening
capability and large ductility but possess low yield strength. Conventional strengthening …

A powder-metallurgy-based fabrication route towards achieving high tensile strength with ultra-high ductility in high-entropy alloy

P Asghari-Rad, P Sathiyamoorthi, NTC Nguyen… - Scripta Materialia, 2021 - Elsevier
The strength-ductility trade-off dilemma is perennially problematic in the materials science
community. In particular, the attainability of high tensile strength and large elongation is …

Microstructure evolution and mechanical properties of (CoCrNi) 90 (AlTiZr) 5 (CuFeMo) 5 multicomponent alloy: A pathway through multicomponent alloys toward new …

H Pouraliakbar, SH Shim, YK Kim, MS Rizi… - Journal of Alloys and …, 2021 - Elsevier
Thermodynamic criteria of lattice distortion energy (ΔH el) and enthalpy of mixing (ΔH mix)
were considered to design and estimate the initial phase formation and stability in (CoCrNi) …

Pulsed laser cladding on IN718 alloy using pre-coated CrCoNi-TiC/SiC powders for enhancing wear resistance

Y Liu, L Chai, T Yang, C Hu, C Wang, G Xi - Surface and Coatings …, 2024 - Elsevier
By employing a pulsed laser, laser cladding was performed on IN718 alloy pre-coated with
CrCoNi-TiC/SiC powders and three defect-free coatings were prepared successfully …

Achieving high strength and ductility in Fe50Mn25Ni10Cr15 medium entropy alloy via Al alloying

Z Jiang, R Wei, W Wang, M Li, Z Han, S Yuan… - Journal of Materials …, 2022 - Elsevier
The microstructure and tensile properties of (Fe 50 Mn 25 Ni 10 Cr 15) 100-x Al x (x= 0–8
at.%) medium-entropy alloys (MEAs) were investigated. It was found that the crystalline …