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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.

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.

Recent Advances in Hybrid Optical Materials: Integrating Nanoparticles within a Glass Matrix (2019)
Journal Article
Wei, Y., Ebendorff-Heidepriem, H., & Zhao, J. (. (2019). Recent Advances in Hybrid Optical Materials: Integrating Nanoparticles within a Glass Matrix. Advanced Optical Materials, 7(21), Article 1900702. https://doi.org/10.1002/adom.201900702

Abstract Glass containing optically active nanoparticles have been manufactured for centuries. However, only in the early 1900s, the invention of ultramicroscope and development of Mie theory paved the way to discovering the occurrence of nanoparticl... Read More about Recent Advances in Hybrid Optical Materials: Integrating Nanoparticles within a Glass Matrix.

A model to predict acoustic resonant frequencies of distributed Helmholtz resonators on gas turbine engines (2019)
Journal Article
Wang, J., Rubini, P., Qin, Q., & Houston, B. (2019). A model to predict acoustic resonant frequencies of distributed Helmholtz resonators on gas turbine engines. Applied Sciences, 9(7), Article 1419. https://doi.org/10.3390/app9071419

© 2019 by the authors. Helmholtz resonators, traditionally designed as a narrow neck backed by a cavity, are widely applied to attenuate combustion instabilities in gas turbine engines. The use of multiple small holes with an equivalent open area to... Read More about A model to predict acoustic resonant frequencies of distributed Helmholtz resonators on gas turbine engines.

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.

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.

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.

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.

Application of a porous media model for the acoustic damping of perforated plate absorbers (2017)
Journal Article
Wang, J., Rubini, P., & Qin, Q. (2017). Application of a porous media model for the acoustic damping of perforated plate absorbers. Applied acoustics. Acoustique appliqué. Angewandte Akustik, 127, 324-335. https://doi.org/10.1016/j.apacoust.2017.07.003

Perforated panel, or plate, absorbers are commonly employed to reduce sound pressure levels across a broad range of applications including the built environment, industrial installations and propulsion devices. The acoustic performance of a perforate... Read More about Application of a porous media model for the acoustic damping of perforated plate absorbers.

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.

On the occurrence of a eutectic-type structure in solidification of Al-Zr alloys (2017)
Journal Article
Wang, F., Eskin, D. G., Khvan, A. V., Starodub, K. F., Lim, J. J., Burke, M. G., …Mi, J. (2017). On the occurrence of a eutectic-type structure in solidification of Al-Zr alloys. Scripta materialia, 133, 75-78. https://doi.org/10.1016/j.scriptamat.2017.02.027

For the first time, experimental evidence is presented for the occurrence of a eutectic reaction in dilute Al-Zr alloys solidified at cooling rates from 0.5 to 5 K/s. Particles which formed at grain boundaries during solidification were confirmed by... Read More about On the occurrence of a eutectic-type structure in solidification of Al-Zr alloys.

Numerical and physical simulation of rapid microstructural evolution of gas atomised Ni superalloy powders (2016)
Journal Article
Li, Z., Grant, P. S., Zheng, L., Lee, T. L., Liu, N., Liu, Z., …Grant, P. (2017). Numerical and physical simulation of rapid microstructural evolution of gas atomised Ni superalloy powders. Materials & design, 117, 157-167. https://doi.org/10.1016/j.matdes.2016.12.074

The rapid microstructural evolution of gas atomised Ni superalloy powder compacts over timescales of a few seconds was studied using a Gleeble 3500 thermomechanical simulator, finite element based numerical model and electron microscopy. The study fo... Read More about Numerical and physical simulation of rapid microstructural evolution of gas atomised Ni superalloy powders.

Design and characterisation of metallic glassy alloys of high neutron shielding capability (2016)
Journal Article
Khong, J. C., Daisenberger, D., Burca, G., Kockelmann, W., Tremsin, A. S., & Mi, J. (2016). Design and characterisation of metallic glassy alloys of high neutron shielding capability. Scientific reports, 6(1), Article 36998. https://doi.org/10.1038/srep36998

This paper reports the design, making and characterisation of a series of Fe-based bulk metallic glass alloys with the aim of achieving the combined properties of high neutron absorption capability and sufficient glass forming ability. Synchrotron X-... Read More about Design and characterisation of metallic glassy alloys of high neutron shielding capability.

A refining mechanism of primary Al3Ti intermetallic particles by ultrasonic treatment in the liquid state (2016)
Journal Article
Wang, F., Eskin, D., Mi, J., Connolley, T., Lindsay, J., & Mounib, M. (2016). A refining mechanism of primary Al3Ti intermetallic particles by ultrasonic treatment in the liquid state. Acta Materialia, 116, 354-363. https://doi.org/10.1016/j.actamat.2016.06.056

The mechanism underlying the considerable refinement of primary Al3Ti intermetallic particles induced by ultrasonic treatment (UST) in an Al-0.4 wt% Ti alloy in the fully liquid state was investigated. Scanning electron microscopy, energy dispersive... Read More about A refining mechanism of primary Al3Ti intermetallic particles by ultrasonic treatment in the liquid state.

Multi-scale characterisation of the 3D microstructure of a thermally-shocked bulk metallic glass matrix composite (2016)
Journal Article
Zhang, W., Bodey, A. J., Sui, T., Kockelmann, W., Rau, C., Korsunsky, A. M., & Mi, J. (2016). Multi-scale characterisation of the 3D microstructure of a thermally-shocked bulk metallic glass matrix composite. Scientific reports, 6(1), 18545-1-18545-7. https://doi.org/10.1038/srep18545

Bulk metallic glass matrix composites (BMGMCs) are a new class of metal alloys which have significantly increased ductility and impact toughness, resulting from the ductile crystalline phases distributed uniformly within the amorphous matrix. However... Read More about Multi-scale characterisation of the 3D microstructure of a thermally-shocked bulk metallic glass matrix composite.