All Outputs (10)

Operando study of the dynamic evolution of multiple Fe-rich intermetallics of an Al recycled alloy in solidification by synchrotron X-ray and machine learning (2024)
Journal Article
Xiang, K., Qin, L., Zhao, Y., Huang, S., Du, W., Boller, E., Rack, A., Li, M., & Mi, J. (2024). Operando study of the dynamic evolution of multiple Fe-rich intermetallics of an Al recycled alloy in solidification by synchrotron X-ray and machine learning. Acta Materialia, 279, Article 120267. https://doi.org/10.1016/j.actamat.2024.120267

Using synchrotron X-ray diffraction, tomography and machine-learning enabled phase segmentation strategy, we have studied under operando conditions the nucleation, co-growth and dynamic interplays among the dendritic and multiple intermetallic phases... Read More about Operando study of the dynamic evolution of multiple Fe-rich intermetallics of an Al recycled alloy in solidification by synchrotron X-ray and machine learning.

New insights into the mechanism of ultrasonic atomization for the production of metal powders in additive manufacturing (2024)
Journal Article
Priyadarshi, A., Bin Shahrani, S., Choma, T., Zrodowski, L., Qin, L., Leung, C. L. A., …Tzanakis, I. (2024). New insights into the mechanism of ultrasonic atomization for the production of metal powders in additive manufacturing. Additive Manufacturing, 83, Article 104033. https://doi.org/10.1016/j.addma.2024.104033

Ultrasonic atomization is one of the promising technologies for producing metal powders for additive manufacturing, where precise control of particle size and morphology is essential. In this study, we coupled an ultrasonic transducer with a carbon f... Read More about New insights into the mechanism of ultrasonic atomization for the production of metal powders in additive manufacturing.

Synchrotron X-ray operando study and multiphysics modelling of the solidification dynamics of intermetallic phases under electromagnetic pulses (2023)
Journal Article
Qin, L., Du, W., Cipiccia, S., Bodey, A. J., Rau, C., & Mi, J. (2024). Synchrotron X-ray operando study and multiphysics modelling of the solidification dynamics of intermetallic phases under electromagnetic pulses. Acta Materialia, 265, Article 119593. https://doi.org/10.1016/j.actamat.2023.119593

In this paper, we used synchrotron X-ray radiography and tomography to study systematically and in operando conditions the growth dynamics of the primary Al3Ni intermetallic phases in an Al-15wt%Ni alloy in the solidification process with magnetic pu... Read More about Synchrotron X-ray operando study and multiphysics modelling of the solidification dynamics of intermetallic phases under electromagnetic pulses.

Direct Evidence of the Exfoliation Efficiency and Graphene Dispersibility of Green Solvents toward Sustainable Graphene Production (2022)
Journal Article
Ng, K. L., Maciejewska, B. M., Qin, L., Johnston, C., Barrio, J., Titirici, M. M., …Grobert, N. (2023). Direct Evidence of the Exfoliation Efficiency and Graphene Dispersibility of Green Solvents toward Sustainable Graphene Production. ACS Sustainable Chemistry and Engineering, 11(1), 58-66. https://doi.org/10.1021/acssuschemeng.2c03594

Achieving a sustainable production of pristine high-quality graphene and other layered materials at a low cost is one of the bottlenecks that needs to be overcome for reaching 2D material applications at a large scale. Liquid phase exfoliation in con... Read More about Direct Evidence of the Exfoliation Efficiency and Graphene Dispersibility of Green Solvents toward Sustainable Graphene Production.

3D local atomic structure evolution in a solidifying Al-0.4Sc dilute alloy melt revealed in operando by synchrotron X-ray total scattering and modelling (2022)
Journal Article
Huang, S., Luo, S., Qin, L., Shu, D., Sun, B., Lunt, A. J. G., …Mi, J. (2022). 3D local atomic structure evolution in a solidifying Al-0.4Sc dilute alloy melt revealed in operando by synchrotron X-ray total scattering and modelling. Scripta materialia, 211, Article 114484. https://doi.org/10.1016/j.scriptamat.2021.114484

Using synchrotron X-ray total scattering and empirical potential structure refinement modelling, we studied systematically in operando condition the disorder-to-order local atomic structure transition in a pure Al and a dilute Al-0.4Sc alloy melt in... Read More about 3D local atomic structure evolution in a solidifying Al-0.4Sc dilute alloy melt revealed in operando by synchrotron X-ray total scattering and modelling.

Ultrasound cavitation induced nucleation in metal solidification: an analytical model and validation by real-time experiments (2021)
Journal Article
Huang, H., Qin, L., Tang, H., Shu, D., Yan, W., Sun, B., & Mi, J. (2021). Ultrasound cavitation induced nucleation in metal solidification: an analytical model and validation by real-time experiments. Ultrasonics Sonochemistry, 80, Article 105832. https://doi.org/10.1016/j.ultsonch.2021.105832

Microstructural refinement of metallic alloys via ultrasonic melt processing (USMP) is an environmentally friendly and promising method. However, so far there has been no report in open literature on how to predict the solidified microstructures and... Read More about Ultrasound cavitation induced nucleation in metal solidification: an analytical model and validation by real-time experiments.

Ultrafast synchrotron X-ray imaging and multiphysics modelling of liquid phase fatigue exfoliation of graphite under ultrasound (2021)
Journal Article
Qin, L., Maciejewska, B. M., Subroto, T., Morton, J. A., Porfyrakis, K., Tzanakis, I., …Mi, J. (2022). Ultrafast synchrotron X-ray imaging and multiphysics modelling of liquid phase fatigue exfoliation of graphite under ultrasound. Carbon, 186, 227-237. https://doi.org/10.1016/j.carbon.2021.10.014

Ultrasound-assisted liquid phase exfoliation is a promising method for manufacturing of 2D materials in large scale and sustainable manner. A large number of studies using ex-situ nano/micro structural characterization techniques have been made to in... Read More about Ultrafast synchrotron X-ray imaging and multiphysics modelling of liquid phase fatigue exfoliation of graphite under ultrasound.

Characterization of the Convoluted 3D Intermetallic Phases in a Recycled Al Alloy by Synchrotron X-ray Tomography and Machine Learning (2021)
Journal Article
Li, Z., Qin, L., Guo, B., Yuan, J., Zhang, Z., Li, W., & Mi, J. (2022). Characterization of the Convoluted 3D Intermetallic Phases in a Recycled Al Alloy by Synchrotron X-ray Tomography and Machine Learning. Acta Metallurgica Sinica (English Letters), 35(1), 115–123. https://doi.org/10.1007/s40195-021-01312-3

Fe-rich intermetallic phases in recycled Al alloys often exhibit complex and 3D convoluted structures and morphologies. They are the common detrimental intermetallic phases to the mechanical properties of recycled Al alloys. In this study, we used sy... Read More about Characterization of the Convoluted 3D Intermetallic Phases in a Recycled Al Alloy by Synchrotron X-ray Tomography and Machine Learning.

New insights into sono-exfoliation mechanisms of graphite: In situ high-speed imaging studies and acoustic measurements (2021)
Journal Article
Morton, J. A., Khavari, M., Qin, L., Maciejewska, B. M., Tyurnina, A. V., Grobert, N., …Tzanakis, I. (2021). New insights into sono-exfoliation mechanisms of graphite: In situ high-speed imaging studies and acoustic measurements. Materials Today, 49, 10-22. https://doi.org/10.1016/j.mattod.2021.05.005

The application of ultrasound and acoustic cavitation in liquid exfoliation of bulk layered materials is a widely used method. However, despite extensive research, the fundamental mechanisms remain far from being fully understood. A number of theorie... Read More about New insights into sono-exfoliation mechanisms of graphite: In situ high-speed imaging studies and acoustic measurements.

Multiscale characterization of the 3D network structure of metal carbides in a Ni superalloy by synchrotron X-ray microtomography and ptychography (2020)
Journal Article
Zhang, Z., Khong, J. C., Koe, B., Luo, S., Huang, S., Qin, L., Cipiccia, S., Batey, D., Bodey, A. J., Rau, C., Chiu, Y. L., Zhang, Z., Gebelin, J. C., Green, N., & Mi, J. (2021). Multiscale characterization of the 3D network structure of metal carbides in a Ni superalloy by synchrotron X-ray microtomography and ptychography. Scripta materialia, 193, 71-76. https://doi.org/10.1016/j.scriptamat.2020.10.032

Synchrotron X-ray microtomography and ptychography were used to characterize the 3D network structure, morphology and distribution of metal carbides in an as-cast IN713LC Ni superalloy. MC typed carbides were found to distribute mainly on the grain b... Read More about Multiscale characterization of the 3D network structure of metal carbides in a Ni superalloy by synchrotron X-ray microtomography and ptychography.