Competitive strengthening between dislocation slip and twinning in cast-wrought and additively manufactured CrCoNi medium entropy alloys

W Woo, YS Kim, HB Chae, SY Lee, JS Jeong, CM Lee… - Acta Materialia, 2023 - Elsevier
In situ neutron diffraction experiments have been performed under loading in cast-wrought
(CW) and additively manufactured (AM) equiatomic CoCrNi medium-entropy alloys. The …

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 …

Microstructure evolution and enhanced mechanical properties of additively manufactured CrCoNi medium-entropy alloy composites

P Xue, L Zhu, P Xu, H Lu, S Wang, Z Yang… - Journal of Alloys and …, 2022 - Elsevier
High-entropy alloys (HEAs) and medium-entropy alloys (MEAs) are regarded as promising
advanced material with vast potential applications because of their many functional …

Effect of heat treatment on microstructure and mechanical properties of in-situ synthesized Ni2CrCoNb0. 16 multi-principal element alloy manufactured by directed …

P Xue, L Zhu, P Xu, H Lu, S Wang, Z Yang… - Materials Science and …, 2023 - Elsevier
The variety of multi-principal element alloys (MPEAs) provide the possibility to develop new
materials with excellent mechanical properties. In this study, an in-situ synthesized age …

Microstructures and corrosion resistance enhancement of ultrasonic vibration-assisted medium entropy alloy base laser multi-phase coating

Z Zhang, J Li, Z Fan, Z Ye, Y Li, C Zhang… - Surface and Coatings …, 2023 - Elsevier
The CoCrNi medium entropy alloy base coating (MEABC) was fabricated on the TC4
titanium alloy by the laser cladding (LC) technology, the effects of the ultrasonic vibration …

[HTML][HTML] The machinability and anisotropy of bio-CoCrMo manufactured by directed energy deposition in ultrasonic vibration assisted drilling

H Lu, L Zhu, S Wang, B Yan, P Xue, Y Hao… - Journal of Materials …, 2023 - Elsevier
Holes are an essential component in achieving the desired function of implants. As the
prevalent application of additive manufacturing in the field of implants, the hole-forming …

Dendrite refinement and wear performance enhancement in laser-cladded Fe-based coatings after multi-step laser remelting

B Sun, Q Wang, Y Chen, J Cheng, H Zhao… - Surface and Coatings …, 2022 - Elsevier
In this work, Fe-based coatings were prepared by laser cladding and the effects of multi-step
laser remelting (MLR) on phase components, microstructure evolution, hardness and wear …

Microstructure and mechanical properties of equiatomic Ti-containing medium-entropy alloys

S Son, D Lee, H Kwon, J Moon, KB Park, A Kim… - Journal of Alloys and …, 2023 - Elsevier
Although Ti-containing medium-entropy alloys (Ti-MEAs) have the benefits of Ti such as low
density, high specific strength, and oxidation resistance, their development is slow …

Effect of laser remelting on microstructure and mechanical properties of Ti–6Al–4V alloy prepared by inside-beam powder feeding

Y Wang, G Yang, S Zhou, C Sun, B Li, D An… - Materials Science and …, 2022 - Elsevier
Abstract Ti–6Al–4V alloys fabricated by inside-beam powder feeding (IBPF) generally
exhibit coarse columnar α-lath resulting in slightly poorer mechanical properties than forged …

The effect of heterogeneous microstructure of additively manufactured Ni2CoCrNb0. 16 high-entropy alloy on its machinability and tool wear

P Xue, Y Dun, L Zhu, H Lu, P Xu, J Ning, Z Yang… - Tribology …, 2024 - Elsevier
Compared with traditional forming methods, the heterogeneous microstructure and the high-
density dislocations, elemental segregation and inclusion particles in additive manufactured …