The correlation between X-ray scattering structure factor and shear bands density of a metallic glass and a composite

Zhang, C.; Lee, T. L.; Khong, J. C.; Qiao, J. C.; Daisenberger, D.; Yao, Y.; Mi, J.

doi:10.1016/j.matlet.2021.130727

Dual frequency ultrasonic liquid phase exfoliation method for the production of few layer graphene in green solvents (2024)
Journal Article
Kaur, A., Morton, J. A., Tyurnina, A. V., Priyadarshi, A., Ghorbani, M., Mi, J., …Tzanakis, I. (2024). Dual frequency ultrasonic liquid phase exfoliation method for the production of few layer graphene in green solvents. Ultrasonics Sonochemistry, 108, Article 106954. https://doi.org/10.1016/j.ultsonch.2024.106954

In this work, we implement a dual frequency (24 kHz and 1174 kHz) ultrasonic assisted liquid phase exfoliation (ULPE) technique in deionized water (DIW) and other eco-friendly solvents, to produce a variety of high-quality few-layer graphene (FLG) so... Read More about Dual frequency ultrasonic liquid phase exfoliation method for the production of few layer graphene in green solvents.

Tailoring hierarchical microstructures and nanoprecipitates in additive-manufactured Al-Zn-Mg-Cu-Nb alloys for simultaneously enhancing strength and ductility (2024)
Journal Article
Xiao, F., Shu, D., Wang, Y., Sun, Q., Wang, D., Yang, C., …StJohn, D. H. (2024). Tailoring hierarchical microstructures and nanoprecipitates in additive-manufactured Al-Zn-Mg-Cu-Nb alloys for simultaneously enhancing strength and ductility. communications materials, 5(1), Article 52. https://doi.org/10.1038/s43246-024-00489-1

Additive manufacturing provides an efficient way of producing metallic components with complex geometries. Their microstructure is substantially different to those from conventional processing, creating opportunities for manipulating the final micros... Read More about Tailoring hierarchical microstructures and nanoprecipitates in additive-manufactured Al-Zn-Mg-Cu-Nb alloys for simultaneously enhancing strength and ductility.

Recent advances in synchrotron X-ray studies of the atomic structures of metal alloys in liquid state (2024)
Journal Article
Huang, S., Xiang, K., & Mi, J. (2024). Recent advances in synchrotron X-ray studies of the atomic structures of metal alloys in liquid state. Journal of Materials Science & Technology, 203, 180-200. https://doi.org/10.1016/j.jmst.2024.02.038

Research into the atomic structures of metal materials in the liquid state, their dynamic evolution versus temperature until the onset of crystal nucleation has been a central research topic in condensed matter physics and materials science for well... Read More about Recent advances in synchrotron X-ray studies of the atomic structures of metal alloys in liquid state.

Revealing in situ stress-induced short- and medium-range atomic structure evolution in a multicomponent metallic glassy alloy (2024)
Journal Article
Luo, S., Khong, J. C., Huang, S., Yang, G., & Mi, J. (2024). Revealing in situ stress-induced short- and medium-range atomic structure evolution in a multicomponent metallic glassy alloy. Acta Materialia, 272, Article 119917. https://doi.org/10.1016/j.actamat.2024.119917

Deformation behaviour of multicomponent metallic glasses are determined by the evolution/reconfiguration of the short- and medium-range order (SRO and MRO) atomic structures. A precise understanding of how different atom species rearrange themselves... Read More about Revealing in situ stress-induced short- and medium-range atomic structure evolution in a multicomponent metallic glassy alloy.

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.

Effects of green solvents and surfactants on the characteristics of few-layer graphene produced by dual-frequency ultrasonic liquid phase exfoliation technique (2023)
Journal Article
Tyurnina, A. V., Morton, J. A., Kaur, A., Mi, J., Grobert, N., Porfyrakis, K., …Eskin, D. G. (2023). Effects of green solvents and surfactants on the characteristics of few-layer graphene produced by dual-frequency ultrasonic liquid phase exfoliation technique. Carbon, 206, 7-15. https://doi.org/10.1016/j.carbon.2023.01.062

Nowadays, one of the promising methods for scalable graphene production is ultrasound-aided liquid phase exfoliation (ULPE) of graphite. Two current limiting factors of ULPE are the use of harmful solutions (such as N-Methyl-2-pyrrolidone or Dimethyl... Read More about Effects of green solvents and surfactants on the characteristics of few-layer graphene produced by dual-frequency ultrasonic liquid phase exfoliation technique.

Dual frequency ultrasonic cavitation in various liquids: High-speed imaging and acoustic pressure measurements (2023)
Journal Article
Morton, J. A., Khavari, M., Priyadarshi, A., Kaur, A., Grobert, N., Mi, J., …Tzanakis, I. (2023). Dual frequency ultrasonic cavitation in various liquids: High-speed imaging and acoustic pressure measurements. Physics of Fluids, 35(1), Article 017135. https://doi.org/10.1063/5.0136469

Ultrasonic cavitation is used in various processes and applications, utilizing powerful shock waves and high-speed liquid jets generated by the collapsing bubbles. Typically, a single frequency source is used to produce the desired effects. However,... Read More about Dual frequency ultrasonic cavitation in various liquids: High-speed imaging and acoustic pressure measurements.

An eco-friendly solution for liquid phase exfoliation of graphite under optimised ultrasonication conditions (2022)
Journal Article
Morton, J. A., Kaur, A., Khavari, M., Tyurnina, A. V., Priyadarshi, A., Eskin, D. G., …Tzanakis, I. (2023). An eco-friendly solution for liquid phase exfoliation of graphite under optimised ultrasonication conditions. Carbon, 204, 434-446. https://doi.org/10.1016/j.carbon.2022.12.070

Ultrasonic assisted liquid phase exfoliation (ULPE) is a promising method for the large scale production of 2D materials. Currently, toxic solvents such as N-Methyl-2-pyrrolidone (NMP) are commonly used for the production of graphene. In this paper f... Read More about An eco-friendly solution for liquid phase exfoliation of graphite under optimised ultrasonication conditions.

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.

Temperature as a key parameter for graphene sono-exfoliation in water (2022)
Journal Article
Kaur, A., Morton, J. A., Tyurnina, A. V., Priyadarshi, A., Holland, A., Mi, J., …Tzanakis, I. (2022). Temperature as a key parameter for graphene sono-exfoliation in water. Ultrasonics Sonochemistry, 90, Article 106187. https://doi.org/10.1016/j.ultsonch.2022.106187

Graphene dispersions in water are highly desirable for a range of applications such as biomedicines, separation membranes, coatings, inkjet printing and more. Recent novel research has been focussed on developing a green approach for scalable product... Read More about Temperature as a key parameter for graphene sono-exfoliation in water.

Multiscale interactions of liquid, bubbles and solid phases in ultrasonic fields revealed by multiphysics modelling and ultrafast X-ray imaging (2022)
Journal Article
Qin, L., Porfyrakis, K., Tzanakis, I., Grobert, N., Eskin, D. G., Fezzaa, K., & Mi, J. (2022). Multiscale interactions of liquid, bubbles and solid phases in ultrasonic fields revealed by multiphysics modelling and ultrafast X-ray imaging. Ultrasonics Sonochemistry, 89, Article 106158. https://doi.org/10.1016/j.ultsonch.2022.106158

The volume of fluid (VOF) and continuous surface force (CSF) methods were used to develop a bubble dynamics model for the simulation of bubble oscillation and implosion dynamics under ultrasound. The model was calibrated and validated by the X-ray im... Read More about Multiscale interactions of liquid, bubbles and solid phases in ultrasonic fields revealed by multiphysics modelling and ultrafast X-ray imaging.

Synchrotron x-ray total scattering and modeling study of high-pressure-induced inhomogeneous atom reconfiguration in an equiatomic Zr50Cu50 metallic glassy alloy (2022)
Journal Article
Luo, S., Khong, J. C., Daisenberger, D., Huang, S., McMillan, P. F., & Mi, J. (2022). Synchrotron x-ray total scattering and modeling study of high-pressure-induced inhomogeneous atom reconfiguration in an equiatomic Zr50Cu50 metallic glassy alloy. Physical Review B, 105(6), Article 064203. https://doi.org/10.1103/PhysRevB.105.064203

We studied in situ the local atomic structure evolution of an equiatomic Zr50Cu50 metallic glassy alloy under high pressure compression inside a diamond anvil cell using synchrotron x-ray total scattering. The empirical potential structure refinement... Read More about Synchrotron x-ray total scattering and modeling study of high-pressure-induced inhomogeneous atom reconfiguration in an equiatomic Zr50Cu50 metallic glassy alloy.

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.

Effect of Temperature and Acoustic Pressure During Ultrasound Liquid-Phase Processing of Graphite in Water (2021)
Journal Article
Morton, J. A., Eskin, D. G., Grobert, N., Mi, J., Porfyrakis, K., Prentice, P., & Tzanakis, I. (2021). Effect of Temperature and Acoustic Pressure During Ultrasound Liquid-Phase Processing of Graphite in Water. JOM Journal of the Minerals, Metals and Materials Society, https://doi.org/10.1007/s11837-021-04910-9

Ultrasound-assisted liquid-phase exfoliation is a promising method for manufacturing two-dimensional materials. Understanding the effect of ultrasonication parameters such as the temperature and input power on the developed pressure field is pivotal... Read More about Effect of Temperature and Acoustic Pressure During Ultrasound Liquid-Phase Processing of Graphite in Water.

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.

Environment friendly dual-frequency ultrasonic exfoliation of few-layer graphene (2021)
Journal Article
Tyurnina, A. V., Morton, J. A., Subroto, T., Khavari, M., Maciejewska, B., Mi, J., …Eskin, D. G. (2021). Environment friendly dual-frequency ultrasonic exfoliation of few-layer graphene. Carbon, 185, 536-545. https://doi.org/10.1016/j.carbon.2021.09.036

Ultrasound-aided liquid phase exfoliation (ULPE) of graphene in pure water is environment-friendly. Two limiting factors of ULPE are the non-uniform thickness of few-layer graphene (FLG) and a relatively low graphene yield. Here we describe ULPE in w... Read More about Environment friendly dual-frequency ultrasonic exfoliation of few-layer graphene.

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.

The correlation between X-ray scattering structure factor and shear bands density of a metallic glass and a composite (2021)
Journal Article
Zhang, C., Lee, T. L., Khong, J. C., Qiao, J. C., Daisenberger, D., Yao, Y., & Mi, J. (2021). The correlation between X-ray scattering structure factor and shear bands density of a metallic glass and a composite. Materials letters, 304, Article 130727. https://doi.org/10.1016/j.matlet.2021.130727

The tensile fractured surfaces of ZrTi-based bulk metallic glass and composite samples were studied using synchrotron X-ray total scattering. The scanned areas contain different shear bands densities. The shear bands create localized atomic strains,... Read More about The correlation between X-ray scattering structure factor and shear bands density of a metallic glass and a composite.

All Outputs (91)