All Outputs (81)

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., …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., …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., …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.

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., …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.

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., …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., …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., …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.

In-situ synchrotron X-ray radiography observation of primary Al2Cu intermetallic growth on fragments of aluminium oxide film (2017)
Journal Article
Wang, F., Eskin, D., Connolley, T., Wang, C., Koe, B., King, A., …Mi, J. (2018). In-situ synchrotron X-ray radiography observation of primary Al2Cu intermetallic growth on fragments of aluminium oxide film. Materials letters, 213, 303-305. https://doi.org/10.1016/j.matlet.2017.11.090

While using synchrotron X-ray radiography for studying ultrasonic melt processing, the growth of the primary Al2Cu intermetallic phase on fragments of aluminium oxide film during solidification of a hypereutectic Al-35% Cu alloy was observed in-situ... Read More about In-situ synchrotron X-ray radiography observation of primary Al2Cu intermetallic growth on fragments of aluminium oxide film.

Ultrafast synchrotron X-ray imaging studies of microstructure fragmentation in solidification under ultrasound (2017)
Journal Article
Wang, B., Tan, D., Lee, T. L., Khong, J. C., Wang, F., Eskin, D., …Mi, J. (2018). Ultrafast synchrotron X-ray imaging studies of microstructure fragmentation in solidification under ultrasound. Acta Materialia, 144, 505-515. https://doi.org/10.1016/j.actamat.2017.10.067

Ultrasound processing of metal alloys is an environmental friendly and promising green technology for liquid metal degassing and microstructural refinement. However many fundamental issues in this field are still not fully understood, because of the... Read More about Ultrafast synchrotron X-ray imaging studies of microstructure fragmentation in solidification under ultrasound.

A synchrotron X-radiography study of the fragmentation and refinement of primary intermetallic particles in an Al-35 Cu alloy induced by ultrasonic melt processing (2017)
Journal Article
Wang, F., Eskin, D., Mi, J., Wang, C., Koe, B., King, A., …Connolley, T. (2017). A synchrotron X-radiography study of the fragmentation and refinement of primary intermetallic particles in an Al-35 Cu alloy induced by ultrasonic melt processing. Acta Materialia, 141, 142-153. https://doi.org/10.1016/j.actamat.2017.09.010

Using synchrotron X-ray high speed radiography, the fragmentation and refinement of pre-existing primary Al2Cu intermetallic dendrites induced by ultrasonic melt processing in a hypereutectic Al-35% Cu alloy were studied in-situ and in real time. The... Read More about A synchrotron X-radiography study of the fragmentation and refinement of primary intermetallic particles in an Al-35 Cu alloy induced by ultrasonic melt processing.

Influence of ultrasonic treatment on formation of primary Al3Zr in Al–0.4Zr alloy (2017)
Journal Article
WANG, F., ESKIN, D., CONNOLLEY, T., & MI, J. W. (2017). Influence of ultrasonic treatment on formation of primary Al3Zr in Al–0.4Zr alloy. Transactions of Nonferrous Metals Society of China, 27(5), 977-985. https://doi.org/10.1016/S1003-6326%2817%2960115-8

© 2017 The Nonferrous Metals Society of China The effect of ultrasonic treatment on the formation of primary Al3Zr was investigated by applying ultrasound to an Al–0.4Zr alloy. Three temperature ranges were selected, i.e., 830 to 790 °C (above liquid... Read More about Influence of ultrasonic treatment on formation of primary Al3Zr in Al–0.4Zr alloy.

In situ observation of ultrasonic cavitation-induced fragmentation of the primary crystals formed in Al alloys (2017)
Journal Article
Wang, F., Tzanakis, I., Eskin, D., Mi, J., & Connolley, T. (2017). In situ observation of ultrasonic cavitation-induced fragmentation of the primary crystals formed in Al alloys. Ultrasonics Sonochemistry, 39, 66-76. https://doi.org/10.1016/j.ultsonch.2017.03.057

The cavitation-induced fragmentation of primary crystals formed in Al alloys were investigated for the first time by high-speed imaging using a novel experimental approach. Three representative primary crystal types, Al3Ti, Si and Al3V with different... Read More about In situ observation of ultrasonic cavitation-induced fragmentation of the primary crystals formed in Al alloys.