All Outputs (91)

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.

Synchrotron X-ray imaging and ultrafast tomography in situ study of the fragmentation and growth dynamics of dendritic microstructures in solidification under ultrasound (2021)
Journal Article
Zhang, Z., Wang, C., Koe, B., Schlepütz, C. M., Irvine, S., & Mi, J. (2021). Synchrotron X-ray imaging and ultrafast tomography in situ study of the fragmentation and growth dynamics of dendritic microstructures in solidification under ultrasound. Acta Materialia, 209, Article 116796. https://doi.org/10.1016/j.actamat.2021.116796

High speed synchrotron X-ray imaging and ultrafast tomography were used to study in situ and in real time the fragmentation and growth dynamics of dendritic microstructures of an Al-15%Cu alloy in solidification under ultrasound. An ultrasound of 30... Read More about Synchrotron X-ray imaging and ultrafast tomography in situ study of the fragmentation and growth dynamics of dendritic microstructures in solidification under ultrasound.

3D phase field modeling of multi-dendrites evolution in solidification and validation by synchrotron x-ray tomography (2021)
Journal Article
Wang, S., Guo, Z., Kang, J., Zou, M., Li, X., Zhang, A., Du, W., Zhang, W., Lee, T. L., Xiong, S., & Mi, J. (2021). 3D phase field modeling of multi-dendrites evolution in solidification and validation by synchrotron x-ray tomography. Materials, 14(3), Article 520. https://doi.org/10.3390/ma14030520

© 2021 by the authors. Licensee MDPI, Basel, Switzerland. In this paper, the dynamics of multi-dendrite concurrent growth and coarsening of an Al-15 wt.% Cu alloy was studied using a highly computationally efficient 3D phase field model and real-time... Read More about 3D phase field modeling of multi-dendrites evolution in solidification and validation by synchrotron x-ray tomography.

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.

In-situ multiscale shear failure of a bistable composite tape-spring (2020)
Journal Article
Wang, B., Seffen, K. A., Guest, S. D., Lee, T. L., Huang, S., Luo, S., & Mi, J. (2020). In-situ multiscale shear failure of a bistable composite tape-spring. Composites Science and Technology, 200, Article 108348. https://doi.org/10.1016/j.compscitech.2020.108348

A bistable composite tape-spring (CTS) is stable in both the extended and coiled configurations, with fibres oriented at ±45°. It is light weight and multifunctional, and has attracted growing interest in shape-adaptive and energy harvesting systems... Read More about In-situ multiscale shear failure of a bistable composite tape-spring.

Ultrasonic exfoliation of graphene in water: A key parameter study (2020)
Journal Article
Tyurnina, A. V., Tzanakis, I., Morton, J., Mi, J., Porfyrakis, K., Maciejewska, B., Grobert, N., & Eskin, D. G. (2020). Ultrasonic exfoliation of graphene in water: A key parameter study. Carbon, 168, 737-747. https://doi.org/10.1016/j.carbon.2020.06.029

Liquid Phase Exfoliation (LPE) is an efficient method for graphene flake exfoliation and considered to be compatible with industrial production requirements. However, most of available LPE methods require the use of harmful and expensive solvents for... Read More about Ultrasonic exfoliation of graphene in water: A key parameter study.

Non-destructive testing and evaluation of composite materials/structures: A state-of-the-art review (2020)
Journal Article
Wang, B., Zhong, S., Lee, T. L., Fancey, K., & Mi, J. (2020). Non-destructive testing and evaluation of composite materials/structures: A state-of-the-art review. Advances in Mechanical Engineering, 12(4), 1-28. https://doi.org/10.1177/1687814020913761

Composite materials/structures are advancing in product efficiency, cost-effectiveness and the development of superior specific properties. There are increasing demands in their applications to load-carrying structures in aerospace, wind turbines, tr... Read More about Non-destructive testing and evaluation of composite materials/structures: A state-of-the-art review.

A novel electromagnetic apparatus for in-situ synchrotron X-ray imaging study of the separation of phases in metal solidification (2020)
Journal Article
Koe, B., Abraham, C., Bailey, C., Greening, B., Small, M., Connolley, T., & Mi, J. (2020). A novel electromagnetic apparatus for in-situ synchrotron X-ray imaging study of the separation of phases in metal solidification. HardwareX, 7, Article e00104. https://doi.org/10.1016/j.ohx.2020.e00104

As a part of a research into new techniques for purifying recycled aluminium alloys, a novel electromagnetic apparatus had been developed for investigating in real-time the separation mechanisms of detrimental inclusions in aluminium alloy melts unde... Read More about A novel electromagnetic apparatus for in-situ synchrotron X-ray imaging study of the separation of phases in metal solidification.

Characterization of ultrasonic bubble clouds in a liquid metal by synchrotron X-ray high speed imaging and statistical analysis (2019)
Journal Article
Wang, C., Connolley, T., Tzanakis, I., Eskin, D., & Mi, J. (2020). Characterization of ultrasonic bubble clouds in a liquid metal by synchrotron X-ray high speed imaging and statistical analysis. Materials, 13(1), Article 44. https://doi.org/10.3390/ma13010044

Quantitative understanding of the interactions of ultrasonic waves with liquid and solidifying metals is essential for developing optimal processing strategies for ultrasound processing of metal alloys in the solidification processes. In this researc... Read More about Characterization of ultrasonic bubble clouds in a liquid metal by synchrotron X-ray high speed imaging and statistical analysis.

Understanding the Highly Dynamic Phenomena in Ultrasonic Melt Processing by Ultrafast Synchrotron X-ray Imaging (2019)
Book Chapter
Mi, J., Eskin, D., Connolley, T., & Fezzaa, K. (2019). Understanding the Highly Dynamic Phenomena in Ultrasonic Melt Processing by Ultrafast Synchrotron X-ray Imaging. In C. Chesonis (Ed.), Light Metals 2019 (1539-1544). Springer. https://doi.org/10.1007/978-3-030-05864-7_194

In this paper, we present some highlighted findings from our recent research on real-time and in situ studies of the fundamentals of ultrasonic melt processing, including (1) ultrasonic bubble implosion, oscillation in liquid and semi-liquid (semi-so... Read More about Understanding the Highly Dynamic Phenomena in Ultrasonic Melt Processing by Ultrafast Synchrotron X-ray Imaging.

Synchrotron X-ray real-time studies of the nucleation and growth of intermetallic phases in solidification (2019)
Book Chapter
Mi, J. (2019). Synchrotron X-ray real-time studies of the nucleation and growth of intermetallic phases in solidification. In M. Tiryakioğlu, W. Griffiths, & M. Jolly (Eds.), Shape Casting : 7th International Symposium Celebrating Prof. John Campbell's 80th Birthday (65-71). Springer. https://doi.org/10.1007/978-3-030-06034-3_6

In this paper, real-time, direct observation of the nucleation of primary Al 2 Cu phases on entrained oxide films during the solidification of an Al-35%Cu alloy, and the change of growth mode from planner to dendritic type structure of Al 3 Ni phases... Read More about Synchrotron X-ray real-time studies of the nucleation and growth of intermetallic phases in solidification.

Solidification Processing of Metallic Alloys Under External Fields (2018)
Book
Eskin, D. G., & Mi, J. (Eds.). (2018). Solidification Processing of Metallic Alloys Under External Fields. Cham: Springer. https://doi.org/10.1007/978-3-319-94842-3

Fundamental studies of ultrasonic melt processing (2018)
Journal Article
Eskin, D. G., Tzanakis, I., Wang, F., Lebon, G. S., Subroto, T., Pericleous, K., & Mi, J. (2019). Fundamental studies of ultrasonic melt processing. Ultrasonics Sonochemistry, 52, 455-467. https://doi.org/10.1016/j.ultsonch.2018.12.028

Ultrasonic (cavitation) melt processing attracts considerable interest from both academic and industrial communities as a promising route to provide clean, environment friendly and energy efficient solutions for some of the core issues of the metal c... Read More about Fundamental studies of ultrasonic melt processing.

In situ high speed imaging study and modelling of the fatigue fragmentation of dendritic structures in ultrasonic fields (2018)
Journal Article
Wang, S., Kang, J., Guo, Z., Lee, T. L., Zhang, X., Wang, Q., Deng, C., & Mi, J. (2019). In situ high speed imaging study and modelling of the fatigue fragmentation of dendritic structures in ultrasonic fields. Acta Materialia, 165, 388-397. https://doi.org/10.1016/j.actamat.2018.11.053

The fatigue fragmentation of dendritic structures of a SCN-5wt.% Camphor transparent alloy in an ultrasound field was investigated systematically using high-speed imaging. Dynamic interactions between oscillating ultrasonic bubbles and the primary an... Read More about In situ high speed imaging study and modelling of the fatigue fragmentation of dendritic structures in ultrasonic fields.

Pulse External Fields Processing of Metal Alloys (2018)
Book Chapter
Mi, J. (2018). Pulse External Fields Processing of Metal Alloys. In D. G. Eskin, & J. Mi (Eds.), Solidification Processing of Metallic Alloys Under External Fields (243-275). Springer. https://doi.org/10.1007/978-3-319-94842-3_7

© 2018, Springer Nature Switzerland AG. Research and applications of electromagnetic processing of materials began in the 1930s. In those early days, electromagnetic induction was the main technique and it was used for heating or melting metal alloys... Read More about Pulse External Fields Processing of Metal Alloys.

In Situ Studies of the Solidification Dynamics of Metal Alloys (2018)
Book Chapter
Mi, J. (2018). In Situ Studies of the Solidification Dynamics of Metal Alloys. In D. G. Eskin, & J. Mi (Eds.), Solidification Processing of Metallic Alloys Under External Fields (19-74). Springer. https://doi.org/10.1007/978-3-319-94842-3_2

© 2018, Springer Nature Switzerland AG. Since the 1990s, tens of 3rd generation synchrotron X-ray facilities have been built around the world and made available for research in almost all scientific disciplines. The high brilliance, high coherence an... Read More about In Situ Studies of the Solidification Dynamics of Metal Alloys.

CO2 capture using mesocellular siliceous foam (MCF)-supported CaO (2018)
Journal Article
Gao, F., Huang, J., Sun, H., Hu, J., Wang, M., Mi, J., & Wu, C. (2019). CO2 capture using mesocellular siliceous foam (MCF)-supported CaO. Journal of the Energy Institute, 92(5), 1591-1598. https://doi.org/10.1016/j.joei.2018.07.015

CaO is a promising material as an alternative CO2 capture material which can be used at high temperature. However, CaO sinters to form large particles under long-term high temperature conditions, resulting in a rapid decrease of its surface area and... Read More about CO2 capture using mesocellular siliceous foam (MCF)-supported CaO.

Modelling and neutron diffraction characterization of the interfacial bonding of spray formed dissimilar steels (2018)
Journal Article
Lee, T. L., Mi, J., Ren, S., Zhao, S., Fan, J., Kabra, S., Zhang, S., & Grant, P. S. (2018). Modelling and neutron diffraction characterization of the interfacial bonding of spray formed dissimilar steels. Acta Materialia, 155, 318-330. https://doi.org/10.1016/j.actamat.2018.05.055

The spray forming of thick, dissimilar steel clad tubes with the objective of achieving a high integrity metallurgical bond across the cladding-substrate interface able to withstand residual stresses and subsequent thermo-mechanical processing was in... Read More about Modelling and neutron diffraction characterization of the interfacial bonding of spray formed dissimilar steels.

Data and videos for ultrafast synchrotron X-ray imaging studies of metal solidification under ultrasound (2018)
Journal Article
Wang, B., Tan, D., Lee, T. L., Khong, J. C., Wang, F., Eskin, D., Connolley, T., Fezzaa, K., & Mi, J. (2018). Data and videos for ultrafast synchrotron X-ray imaging studies of metal solidification under ultrasound. Data in Brief, 17, 837-841. https://doi.org/10.1016/j.dib.2018.01.110

The data presented in this article are related to the paper entitled ‘Ultrafast synchrotron X-ray imaging studies of microstructure fragmentation in solidification under ultrasound’ [Wang et al., Acta Mater. 144 (2018) 505-515]. This data article pro... Read More about Data and videos for ultrafast synchrotron X-ray imaging studies of metal solidification under ultrasound.

3D characterisation of the Fe-rich intermetallic phases in recycled Al alloys by synchrotron X-ray microtomography and skeletonisation (2018)
Journal Article
Schlepütz, C. M., Zhao, Y., Du, W., Koe, B., Connolley, T., Irvine, S., Allan, P. K., Schlepütz, C. M., Zhang, W., Wang, F., Eskin, D. G., & Mi, J. (2018). 3D characterisation of the Fe-rich intermetallic phases in recycled Al alloys by synchrotron X-ray microtomography and skeletonisation. Scripta materialia, 146, 321-326. https://doi.org/10.1016/j.scriptamat.2017.12.010

© 2017 Elsevier Ltd Synchrotron X-ray microtomography and skeletonisation method were used to study the true 3D network structures and morphologies of the Fe-rich intermetallic phases in recycled Al-5.0%Cu-0.6%Mn alloys with 0.5% and 1.0% Fe. It was... Read More about 3D characterisation of the Fe-rich intermetallic phases in recycled Al alloys by synchrotron X-ray microtomography and skeletonisation.