All Outputs (99)

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.

In-situ synchrotron X-ray imaging and tomography studies of the evolution of solidification microstructures under pulse electromagnetic fields (2018)
Thesis
Du, W. (2018). In-situ synchrotron X-ray imaging and tomography studies of the evolution of solidification microstructures under pulse electromagnetic fields. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4221948

This research studies the dynamic evolution of dendritic structures and intermetallic phases of four Al based alloys during the solidification under pulse electromagnetic fields (PMFs). An advanced PMF solidification device was upgraded, built, commi... Read More about In-situ synchrotron X-ray imaging and tomography studies of the evolution of solidification microstructures under pulse electromagnetic 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., 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.

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., Reinhard, C., & 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., Connolley, T., Fezzaa, K., & 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., Reinhard, C., & 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.

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., Connolley, T., & 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., Zhang, G., Mi, J., & 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.

Study of the multi-length scale structure of metallic glasses using synchrotron X-rays and phase-field crystal modelling (2016)
Thesis
Zhang, W. (2016). Study of the multi-length scale structure of metallic glasses using synchrotron X-rays and phase-field crystal modelling. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4218491

Metallic glasses and composites are a new class of metal alloys which have unique mechanical and functional properties. The structure of metallic glasses and composites are key to understand the glass formation ability and also their unique propertie... Read More about Study of the multi-length scale structure of metallic glasses using synchrotron X-rays and phase-field crystal modelling.

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.

In situ imaging and diffraction studies of the deformation of metallic glasses and composites (2016)
Thesis
Khong, J. C. (2016). In situ imaging and diffraction studies of the deformation of metallic glasses and composites. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4219302

Three types of experimental studies were done on metallic glass alloys in this PhD project. Firstly, in situ tensile deformation of bulk metallic glass alloy Zr₄₁.₂Ti₁₃.₈Cu₁₂.₅Ni₁₀Be₂₂.₅ (Vit-1), and a bulk metallic glass matrix composite, Zr₃₉.₆Ti₃₃... Read More about In situ imaging and diffraction studies of the deformation of metallic glasses and composites.

Effect of ultrasonic melt treatment on the refinement of primary Al3Ti intermetallic in an Al–0.4Ti alloy (2015)
Journal Article
Mi, J., Connolley, T., Eskin, D., & Wang, F. (2016). Effect of ultrasonic melt treatment on the refinement of primary Al3Ti intermetallic in an Al–0.4Ti alloy. Journal of Crystal Growth, 435, 24-30. https://doi.org/10.1016/j.jcrysgro.2015.11.034

High intensity ultrasonic melt treatment was applied to an Al–0.4 wt% Ti alloy over three selected temperature ranges: 810 to 770 °C (above liquidus), 770 to 730 °C (across liquidus), and 730 to 690 °C (below liquidus). The size and morphology of the... Read More about Effect of ultrasonic melt treatment on the refinement of primary Al3Ti intermetallic in an Al–0.4Ti alloy.

Modelling and experimental study of the spray forming of dissimilar metals (2015)
Thesis
Lee, T. L. (2015). Modelling and experimental study of the spray forming of dissimilar metals. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4218236

This research describes a systematic study to develop a strong interfacial bond in as-sprayed dissimilar metallic alloys. Non-destructive three-dimensional microstructure and residual stress characterisations via X-ray micro-computed tomography and n... Read More about Modelling and experimental study of the spray forming of dissimilar metals.