Laser melting modes in metal powder bed fusion additive manufacturing

C Zhao, B Shi, S Chen, D Du, T Sun, BJ Simonds… - Reviews of Modern …, 2022 - APS
In the laser powder bed fusion additive manufacturing of metals, extreme thermal conditions
create many highly dynamic physical phenomena, such as vaporization and recoil …

Recent progress on in-situ characterization of laser additive manufacturing process by synchrotron radiation

W Lu, L Zhao, Z Su, J Li, Q Hu - Journal of Materials Science & Technology, 2024 - Elsevier
Laser additive manufacturing (LAM) has been widely used in high-end manufacturing fields
such as aerospace, nuclear power, and shipbuilding. However, it is a grand challenge for …

Tensile properties of Ti-6Al-4V as-built by laser metal deposition: The relationship between heat affected zone bands, strain localization and anisotropy in ductility

T Yvinec, A Naït-Ali, D Mellier, D Bertheau… - Additive …, 2022 - Elsevier
Expanded structural applications of additively fabricated or repaired components rely on a
thorough understanding of relationships between the anisotropic microstructure and …

A numerical study on microstructural features evolved across the melt pool in additively manufactured IN718 alloy

A Pandey, S Choudhary, V Gaur - Materials Science and Engineering: A, 2023 - Elsevier
A numerically efficient 3D transient thermal-based computational framework was developed
to predict the microstructure and morphology within the molten pool. The results show that a …

Multi-physics modeling of the 2022 NIST additive manufacturing benchmark (AM-Bench) test series

Q Zhu, Z Zhao, J Yan - Computational Mechanics, 2024 - Springer
This paper presents an effective high-fidelity multi-physics model for metal additive
manufacturing (AM). Using a mixed interface-capturing/interface-tracking approach, the …

Study of phase evolution, mechanical, and tribological behaviour of a novel β-phase strengthened Ti-alloy with Fe and Co alloying via a laser material deposition …

I Mohanty, S Misra, SK Kar, P Saha - Journal of Alloys and Compounds, 2024 - Elsevier
Abstract A new Ti64-Fe-Co alloy was studied via a laser-material-deposition method.
Associated with high growth restriction factors, β-eutectoid (Fe, Co) alloying minimizes …

Solidification and crystallographic texture modeling of laser powder bed fusion Ti-6Al-4V using finite difference-monte carlo method

BC Whitney, TM Rodgers, AG Spangenberger… - Materialia, 2024 - Elsevier
Laser powder bed fusion (LPBF) additive manufacturing makes near-net-shaped parts with
reduced material cost and time, rising as a promising technology to fabricate Ti-6Al-4 V, a …

Classification of melt pool states for defect detection in laser directed energy deposition using FixConvNeXt model

X Zeng, S Peng, J Guo, G Chen, J Tang… - Measurement Science …, 2024 - iopscience.iop.org
Laser directed energy deposition (L-DED) has emerged as a promising technique for rapid
prototy** due to its cost-effectiveness and efficiency. However, the intricate and multi …

Predicting and correlating melt pool characteristics with processing parameters in IN625 powder bed fusion additive manufacturing

M Abdelmoula, W Musinski - Journal of Manufacturing Processes, 2024 - Elsevier
Predicting the melt pool's various characteristics and develo** a reliable correlation
between these melt pool characteristics and powder bed fusion (PBF) process parameters is …

A high-temperature Ti-6.8 Al-6.8 Zr-2.3 V-2.1 Mo-0.7 Nb alloy suitable for laser-additive manufacturing

Z Zhu, C Wang, X Hang, T Liu, C Dong - Materials Science and …, 2023 - Elsevier
Abstract A high-temperature Ti-6.8 Al-6.8 Zr-2.3 V-2.1 Mo-0.7 Nb alloy suitable for laser
additive manufacturing is designed on the basis of the cluster formula of Ti–6Al–4V …