Multi-scale defects in powder-based additively manufactured metals and alloys

J Fu, H Li, X Song, MW Fu - Journal of Materials Science & Technology, 2022 - Elsevier
Defect formation is a critical challenge for powder-based metal additive manufacturing (AM).
Current understanding on the three important issues including formation mechanism …

Review on corrosion performance of laser powder-bed fusion printed 316L stainless steel: Effect of processing parameters, manufacturing defects, post-processing …

VB Vukkum, RK Gupta - Materials & Design, 2022 - Elsevier
The applications of laser-powder bed fusion (LPBF), an emerging additive manufacturing
(AM) technique, are rapidly growing in various industries. The superior and consistent …

Deformation mechanisms of additively manufactured TiNbTaZrMo refractory high-entropy alloy: The role of cellular structure

C Liu, Y Wang, Y Zhang, LC Zhang, L Wang - International Journal of …, 2024 - Elsevier
Additive manufacturing of refractory high-entropy alloys (RHEA) is challenging, limited
information is available on the microstructure and mechanical properties of as-built RHEA. In …

Tailored Lattice “Tape” to Confine Tensile Interface for 11.08%‐Efficiency All‐Inorganic CsPbBr3 Perovskite Solar Cell with an Ultrahigh Voltage of 1.702 V

Q Zhou, J Duan, J Du, Q Guo, Q Zhang… - Advanced …, 2021 - Wiley Online Library
The crystal distortion such as lattice strain and defect located at the surfaces and grain
boundaries induced by soft perovskite lattice highly determines the charge extraction …

Inhibiting cracking and improving strength for additive manufactured AlxCoCrFeNi high entropy alloy via changing crystal structure from BCC-to-FCC

P Niu, R Li, Z Fan, P Cao, D Zheng, M Wang… - Additive …, 2023 - Elsevier
Hot cracking in laser powder bed fused (LPBF) Al x CoCrFeNi high entropy alloys (HEAs)
plague the production of high strength parts. Here we show that the body-centered cubic …

Microstructure and mechanical behavior of additively manufactured CoCrFeMnNi high-entropy alloys: Laser directed energy deposition versus powder bed fusion

Y Liu, J Ren, S Guan, C Li, Y Zhang, S Muskeri, Z Liu… - Acta Materialia, 2023 - Elsevier
CoCrFeMnNi high-entropy alloys (HEAs) are additively manufactured by laser directed
energy deposition (L-DED) and laser powder bed fusion (L-PBF) processes. Comparative …

In-situ experimental and high-fidelity modeling tools to advance understanding of metal additive manufacturing

L Wang, Q Guo, L Chen, W Yan - International Journal of Machine Tools …, 2023 - Elsevier
Metal additive manufacturing has seen extensive research and rapidly growing applications
for its high precision, efficiency, flexibility, etc. However, the appealing advantages are still …

Enhanced plasticity due to melt pool flow induced uniform dispersion of reinforcing particles in additively manufactured metallic composites

G Wang, Y Zhang, B Zou, Y Liu, S Zheng, X Li… - International Journal of …, 2023 - Elsevier
Additive manufacturing has gained increasing interest to fabricate metal matrix composites.
Particle agglomeration remains a critical challenge and can severely compromise the …

Ultrastrong and ductile additively manufactured precipitation-hardening medium-entropy alloy at ambient and cryogenic temperatures

N Yao, T Lu, K Feng, B Sun, RZ Wang, J Wang, Y **e… - Acta Materialia, 2022 - Elsevier
Strong and ductile precipitation-hardening face-centered cubic medium-entropy alloys
(MEAs) are potential structural material candidates for cryogenic applications, which …

A precipitation strengthened high entropy alloy with high (Al+ Ti) content for laser powder bed fusion: synergizing in trinsic hot cracking resistance and ultrahigh …

S Wu, HY Chia, T Zhang, Y Jia, Y Mu, Q Zhang, YZ Lek… - Acta Materialia, 2023 - Elsevier
Additive manufacturing (AM) is a highly promising technique for producing near-net-shape
high-value aerospace components with intricate geometries. However, due to the …