Ubiquitous short-range order in multi-principal element alloys

Y Han, H Chen, Y Sun, J Liu, S Wei, B **e… - Nature …, 2024 - nature.com
Recent research in multi-principal element alloys (MPEAs) has increasingly focused on the
role of short-range order (SRO) on material performance. However, the mechanisms of SRO …

Deformation mechanisms in an additively manufactured dual-phase eutectic high-entropy alloy

J Ren, M Wu, C Li, S Guan, J Dong, JB Forien, T Li… - Acta Materialia, 2023 - Elsevier
Nanostructured metals and alloys often exhibit high strengths but at the expense of reduced
ductility. Through harnessing the far-from-equilibrium processing conditions of laser powder …

Additive manufacturing of defect-free TiZrNbTa refractory high-entropy alloy with enhanced elastic isotropy via in-situ alloying of elemental powders

S Mooraj, G Kim, X Fan, S Samuha, Y **e, T Li… - Communications …, 2024 - nature.com
Laser powder-bed fusion (L-PBF) additive manufacturing presents ample opportunities to
produce net-shape parts. The complex laser-powder interactions result in high cooling rates …

Crack mitigation in additively manufactured AlCrFe2Ni2 high-entropy alloys through engineering phase transformation pathway

S Mooraj, X Dong, S Zhang, Y Zhang, J Ren… - Communications …, 2024 - nature.com
The far-from-equilibrium solidification during additive manufacturing often creates large
residual stresses that induce solid-state cracking. Here we present a strategy to suppress …

Laser Powder Bed Fusion of Ti-6Al-4 V Alloys for the Production of Defect-Free AM Parts: A Recent Update

BO Omiyale, II Ogedengbe, TO Olugbade… - Lasers in Manufacturing …, 2024 - Springer
Titanium alloy is a material of choice when it comes to applications requiring high-
performing mechanical properties, lightweight structure, superior biocompatibility, and …

Exceptional thermal stability of additively manufactured CoCrFeMnNi high-entropy alloy with cellular dislocation structures

Y Liu, J Ren, J Liu, Y Cao, W Liu, T Li, Y Zhu… - Materials Science and …, 2023 - Elsevier
CoCrFeMnNi high-entropy alloy (HEA) was additively manufactured (AM) by laser powder-
bed fusion (L-PBF). The AM CoCrFeMnNi has prominent cellular dislocation structures with …

Ultrafine-grained Fe-TiB2 high-modulus nanocomposite steel with high strength and isotropic mechanical properties by laser powder bed fusion

S Feng, S Guan, S Zhang, S Mooraj, M Luebbe… - Additive …, 2023 - Elsevier
Fe-TiB 2 metal matrix composite, also called high-modulus steels (HMSs), are of great
interest for applications in fuel-efficient transportation infrastructure, aerospace, and wear …

Martensitic transformation induced strength-ductility synergy in additively manufactured maraging 250 steel by thermal history engineering

S Mooraj, S Feng, M Luebbe, M Register, J Liu… - Journal of Materials …, 2025 - Elsevier
Maraging steels are known for their exceptional strength but suffer from limited work
hardening and ductility. Here, we report an intermittent printing strategy to tailor the …

Laser additive manufacturing for infrastructure repair: A case study of a deteriorated steel bridge beam

S Zhang, P Hou, J Kang, T Li, S Mooraj, Y Ren… - Journal of Materials …, 2023 - Elsevier
As our transportation infrastructure ages, its deterioration is becoming a growing concern.
Rapid and effective methods for repair can reduce the need for time-and cost-intensive …

L-PBF processing and characterization of a Ti35Nb30Zr29Mo3Ta3 multiprincipal element alloy for medical implants

F Arjmand, A Mourgout, A Chali, M Djemai… - Applied Physics …, 2024 - pubs.aip.org
This Letter reports on the processing, mechanical properties, electrochemical performance,
and toxicity behavior of a multiprincipal element Ti 35 Nb 30 Zr 29 Mo 3 Ta 3 alloy. The …