In-situ tailoring microstructures to promote strength-ductility synergy in laser powder bed fusion of NiCoCr medium-entropy alloy

K Zhou, D Cui, Z Chai, Y Zhang, Z Yang, C Zhu… - Additive …, 2023 - Elsevier
Laser powder bed fusion (LPBF) has received widespread attention owing to its digital,
flexible, and controllable fabrication process, which opens new possibilities for the direct …

Multiscale defects enable synergetic improvement in yield strength of CrCoNi-based medium-entropy alloy fabricated via laser-powder bed fusion

H Jung, J Lee, GH Gu, H Lee, SM Seo, A Zargaran… - Additive …, 2023 - Elsevier
Recently, laser-powder bed fusion (L-PBF) has overcome a shortcoming concerning the
relatively modest yield strength in the face-centered cubic structure of CrCoNi medium …

[HTML][HTML] Enhanced strength and ductility of laser powder bed fused NbMoTaW refractory high-entropy alloy via carbon microalloying

J Xu, R Duan, K Feng, C Zhang, Q Zhou, P Liu… - Additive Manufacturing …, 2022 - Elsevier
NbMoTaW refractory high-entropy alloy (RHEA) shows outstanding mechanical properties at
ultra-high temperatures, while room-temperature brittleness limits its application. In this …

Segregation engineering of grain boundaries of a metastable Fe-Mn-Co-Cr-Si high entropy alloy with laser-powder bed fusion additive manufacturing

S Thapliyal, P Agrawal, P Agrawal, SS Nene… - Acta Materialia, 2021 - Elsevier
Laser-powder bed fusion (L-PBF) additive manufacturing offers unprecedented
microstructural fine-tuning capabilities. Naturally, benefitting from such capability requires …

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 Xie, 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 …

Additive manufacturing of high-entropy alloys by laser processing

V Ocelík, N Janssen, SN Smith, JTM De Hosson - Jom, 2016 - Springer
This contribution concentrates on the possibilities of additive manufacturing of high-entropy
clad layers by laser processing. In particular, the effects of the laser surface processing …

Texture evolution in a CrMnFeCoNi high-entropy alloy manufactured by laser powder bed fusion

XY He, H Wang, ZG Zhu, LZ Wang, JQ Liu… - Journal of Materials …, 2022 - Springer
Additive manufacturing (AM) techniques including laser powder bed fusion have been
widely used to produce metallic components with microstructures and mechanical properties …

[HTML][HTML] Strength-ductility synergy of CoCrNi medium-entropy alloy processed with laser powder bed fusion

J Ge, C Chen, R Zhao, Q Liu, Y Long, J Wang, Z Ren… - Materials & Design, 2022 - Elsevier
In this work, CoCrNi medium-entropy alloy (MEA) parts were fabricated by laser powder bed
fusion (LPBF) with different laser powers. The microstructural evolution before and after …

Cell boundary engineering of ferrous medium-entropy alloy fabricated by laser powder bed fusion

JM Park, H Kwon, J Choe, KT Kim, JH Yu, YU Heo… - Scripta Materialia, 2023 - Elsevier
The concept of cell boundary (CB) engineering was proposed to explore the potential
benefits of segregation engineering in obtaining superior mechanical properties in materials …

Damage-tolerant, corrosion-resistant high entropy alloy with high strength and ductility by laser powder bed fusion additive manufacturing

S Thapliyal, SS Nene, P Agrawal, T Wang… - Additive …, 2020 - Elsevier
Use of laser powder bed fusion (LPBF) additive manufacturing (AM) in structural
applications requires development of a) damage-tolerant alloys (alloys that exhibit high …