Dr MARCO SIMONELLI's Outputs (36)

Conversion between longitudinal and shear waves at normal incidence using tailored meta-structures (2025)
Journal Article
Clark, M., Fuentes-Domínguez, R., Jin, P., Patel, R., Simonelli, M., & Smith, R. J. (2025). Conversion between longitudinal and shear waves at normal incidence using tailored meta-structures. Journal of Sound and Vibration, Article 119325. https://doi.org/10.1016/j.jsv.2025.119325

The ability to manipulate elastic waves and achieve efficient mode conversion is important for many applications including energy harvesting, vibration mitigation and elastic wave control. In this paper, we present a novel metamaterial-based wave mod... Read More about Conversion between longitudinal and shear waves at normal incidence using tailored meta-structures.

Fundamental Investigation of the Interface Formation of Multi-material Additive Manufactured 316L-CuSn10 Structures (2025)
Journal Article
Bulloch, A., Harris, A., Groom, A., Cruchley, A., Tuck, C. J., & Simonelli, M. (2025). Fundamental Investigation of the Interface Formation of Multi-material Additive Manufactured 316L-CuSn10 Structures. Metallurgical and Materials Transactions A, 56, 2586-2603. https://doi.org/10.1007/s11661-025-07817-1

The combination of the design freedom offered by metal additive manufacturing with multi-metallic capabilities offers the opportunity to fabricate new advanced components for a number of high value industries. However, a deep understanding of the int... Read More about Fundamental Investigation of the Interface Formation of Multi-material Additive Manufactured 316L-CuSn10 Structures.

Development of low-cost Ti alloys with a balanced strength and ductility with generation of ultra-fine microstructures (2025)
Journal Article
Zou, Z., Dunstan, M. K., McWilliams, B., Robertson, S., Hague, R., & Simonelli, M. (2025). Development of low-cost Ti alloys with a balanced strength and ductility with generation of ultra-fine microstructures. Journal of Alloys and Compounds, 1030, Article 180786. https://doi.org/10.1016/j.jallcom.2025.180786

This study aims to understand the interplay between strength and ductility in metastable β-Ti alloys based on eutectoid and neutral elements. A low-cost ternary Ti-7Cr-4Sn alloy was prepared by furnace cooling from the single β region at the end of t... Read More about Development of low-cost Ti alloys with a balanced strength and ductility with generation of ultra-fine microstructures.

Body wave to surface wave conversion using tailored meta-structures (2025)
Journal Article
Fuentes-Domínguez, R., Smith, R. J., Jin, P., Simonelli, M., Gibbon, S., & Clark, M. (2025). Body wave to surface wave conversion using tailored meta-structures. Journal of Sound and Vibration, 603, Article 118989. https://doi.org/10.1016/j.jsv.2025.118989

Elastic waves are important in many application areas. Their manipulation and coupling between different acoustic modes is important and presents a considerable challenge that offers to unlock the flexibility in wave transport required for efficient... Read More about Body wave to surface wave conversion using tailored meta-structures.

Identification of an affordable and printable metastable β Ti alloy with outstanding deformation behaviour for use in laser powder bed fusion (2024)
Journal Article
Zou, Z., Dunstan, M. K., McWilliams, B., Hague, R., & Simonelli, M. (2024). Identification of an affordable and printable metastable β Ti alloy with outstanding deformation behaviour for use in laser powder bed fusion. Materials Science and Engineering: A, 902, Article 146619. https://doi.org/10.1016/j.msea.2024.146619

Research on metastable β Ti alloys has recently shown the possibility to achieve outstanding ductility and work hardening behaviours by engineering the materials’ unique strain transformable attributes and responses to heat treatment. As quenching is... Read More about Identification of an affordable and printable metastable β Ti alloy with outstanding deformation behaviour for use in laser powder bed fusion.

Martensite decomposition kinetics in additively manufactured Ti-6Al-4 V alloy: in-situ characterisation and phase-field modelling (2024)
Journal Article
Boccardo, A., Zou, Z., Simonelli, M., Tong, M., Segurado, J., Leen, S., & Tourret, D. (2024). Martensite decomposition kinetics in additively manufactured Ti-6Al-4 V alloy: in-situ characterisation and phase-field modelling. Materials and Design, 241, Article 112949. https://doi.org/10.1016/j.matdes.2024.112949

Additive manufacturing of Ti-6Al-4V alloy via laser powder-bed fusion leads to non-equilibrium 𝛼′ martensitic microstructures, with high strength but poor ductility and toughness. These properties may be modified by heat treatments, whereby the 𝛼′ ph... Read More about Martensite decomposition kinetics in additively manufactured Ti-6Al-4 V alloy: in-situ characterisation and phase-field modelling.

Drop-on-demand metal jetting of pure copper: On the interaction of molten metal with ceramic and metallic substrates (2024)
Journal Article
Gilani, N., Aboulkhair, N. T., Simonelli, M., East, M., & Hague, R. J. (2024). Drop-on-demand metal jetting of pure copper: On the interaction of molten metal with ceramic and metallic substrates. Materials and Design, 240, Article 112834. https://doi.org/10.1016/j.matdes.2024.112834

Copper, renowned for its exceptional electrical and thermal conductivity at a low cost, holds great promise in electronic applications. While additive manufacturing of copper has attracted interest, the exploration of applying Drop-on-demand Metal Je... Read More about Drop-on-demand metal jetting of pure copper: On the interaction of molten metal with ceramic and metallic substrates.

Microstructural evolution in laser melted boron alloyed Ti-6Al-4V (2024)
Journal Article
Hizli, H., Zou, Z., Murray, J., Clare, A., & Simonelli, M. (2024). Microstructural evolution in laser melted boron alloyed Ti-6Al-4V. Journal of Alloys and Compounds, 981, Article 173762

Grain refinement in cast titanium alloys has been demonstrated through the addition of boron (B) in hypoeutectic concentration. However, there is still a poor understanding of how effective B is towards microstructural refinement under rapid solidifi... Read More about Microstructural evolution in laser melted boron alloyed Ti-6Al-4V.

Off the Grid: a new strategy for material-jet 3D printing with enhanced sub-droplet resolution (2023)
Journal Article
Nelson-Dummett, O., Rivers, G., Gilani, N., Simonelli, M., Tuck, C. J., Wildman, R. D., Hague, R. J., & Turyanska, L. (2024). Off the Grid: a new strategy for material-jet 3D printing with enhanced sub-droplet resolution. Additive Manufacturing Letters, 8, Article 100185. https://doi.org/10.1016/j.addlet.2023.100185

Drop-on-Demand additive manufacturing could offer a facile solution for scalable on-site manufacturing. With an increasing number of functional materials available for this technology, there are growing opportunities for applications, such as electro... Read More about Off the Grid: a new strategy for material-jet 3D printing with enhanced sub-droplet resolution.

On the development of twinning-induced plasticity in additively manufactured 316L stainless steel (2023)
Journal Article
Crociata, D. D., Maskery, I., Hague, R., & Simonelli, M. (2023). On the development of twinning-induced plasticity in additively manufactured 316L stainless steel. Additive Manufacturing Letters, 7, Article 100176. https://doi.org/10.1016/j.addlet.2023.100176

A report on twinning-induced plasticity in 316L stainless steel manufactured by metal additive manufacturing (AM) is presented. A tapered tensile test geometry was used which enabled the investigation of twin formation over a range of strain levels i... Read More about On the development of twinning-induced plasticity in additively manufactured 316L stainless steel.

The development of ultrafine grain structure in an additively manufactured titanium alloy via high-temperature microscopy (2023)
Journal Article
Simonelli, M., Zou, Z., Barriobero-Vila, P., & Tse, Y. Y. (2023). The development of ultrafine grain structure in an additively manufactured titanium alloy via high-temperature microscopy. Materialia, 30, Article 101856. https://doi.org/10.1016/j.mtla.2023.101856

Microstructures dominated by acicular α' martensitic phase, such as in the case of Ti-6Al-4V fabricated by laser powder-bed fusion (PBF-LB), are known to suffer from reduced ductility and low toughness. The decomposition of such metastable microstruc... Read More about The development of ultrafine grain structure in an additively manufactured titanium alloy via high-temperature microscopy.

Facile manipulation of mechanical properties of Ti-6Al-4V through composition tailoring in laser powder bed fusion (2023)
Journal Article
Du, X., Simonelli, M., Murray, J. W., & Clare, A. T. (2023). Facile manipulation of mechanical properties of Ti-6Al-4V through composition tailoring in laser powder bed fusion. Journal of Alloys and Compounds, 941, Article 169022. https://doi.org/10.1016/j.jallcom.2023.169022

Ti-6Al-4 V alloy when processed by laser powder bed fusion (LPBF) is a useful material which can be used for the manufacture of complex 3D components for aerospace and medical applications. LPBF fabricated Ti-6Al-4 V typically shows high tensile stre... Read More about Facile manipulation of mechanical properties of Ti-6Al-4V through composition tailoring in laser powder bed fusion.

Increasing the build rate of high-strength aluminium alloys produced by laser powder bed fusion (2023)
Journal Article
Del Guercio, G., & Simonelli, M. (2023). Increasing the build rate of high-strength aluminium alloys produced by laser powder bed fusion. Optics and Laser Technology, 161, Article 109133. https://doi.org/10.1016/j.optlastec.2023.109133

Aluminium alloys from the 2xxx series represent important structural materials due to their optimal combination of strength and corrosion resistance. However, their production by means of laser powder bed fusion (PBF-LB/M) is hampered by the presence... Read More about Increasing the build rate of high-strength aluminium alloys produced by laser powder bed fusion.

From impact to solidification in drop-on-demand metal additive manufacturing using MetalJet (2022)
Journal Article
Gilani, N., Aboulkhair, N. T., Simonelli, M., East, M., Ashcroft, I. A., & Hague, R. J. (2022). From impact to solidification in drop-on-demand metal additive manufacturing using MetalJet. Additive Manufacturing, 55, Article 102827. https://doi.org/10.1016/j.addma.2022.102827

Drop-on-demand metal jetting is a promising additive manufacturing (AM) technology that is gaining interest due to its capability to directly print complex single and multi-material components at high resolutions. It also has key advantages over othe... Read More about From impact to solidification in drop-on-demand metal additive manufacturing using MetalJet.

Cracking behaviour of high-strength AA2024 aluminium alloy produced by Laser Powder Bed Fusion (2022)
Journal Article
Del Guercio, G., McCartney, D. G., Aboulkhair, N. T., Robertson, S., Maclachlan, R., Tuck, C., & Simonelli, M. (2022). Cracking behaviour of high-strength AA2024 aluminium alloy produced by Laser Powder Bed Fusion. Additive Manufacturing, 54, Article 102776. https://doi.org/10.1016/j.addma.2022.102776

Most wrought aluminium alloys of the 2000 series are difficult to manufacture by laser powder bed fusion (L-PBF) due to the formation of cracks during building. To date, the effects of processing regimes on crack formation are still not well understo... Read More about Cracking behaviour of high-strength AA2024 aluminium alloy produced by Laser Powder Bed Fusion.

Insights into drop-on-demand metal additive manufacturing through an integrated experimental and computational study (2021)
Journal Article
Gilani, N., Aboulkhair, N. T., Simonelli, M., East, M., Ashcroft, I., & Hague, R. J. (2021). Insights into drop-on-demand metal additive manufacturing through an integrated experimental and computational study. Additive Manufacturing, 48(Part B), Article 102402. https://doi.org/10.1016/j.addma.2021.102402

Drop-on-demand metal jetting is a recent additive manufacturing technology opening new opportunities for the fabrication of complex single and multi-metal components. MetalJet, the Océ developed technique used in this study, has the capacity to produ... Read More about Insights into drop-on-demand metal additive manufacturing through an integrated experimental and computational study.

Alloy design against the solidification cracking in fusion additive manufacturing: an application to a FeCrAl alloy (2021)
Journal Article
Dovgyy, B., Simonelli, M., & Pham, M. S. (2021). Alloy design against the solidification cracking in fusion additive manufacturing: an application to a FeCrAl alloy. Materials Research Letters, 9(8), 350-357. https://doi.org/10.1080/21663831.2021.1922945

This study developed a design methodology against liquid-state cracking by combining the Scheil–Gulliver solidification simulations and Machine Learning analysis to design alloys for Fusion Additive Manufacturing. Applying this design approach result... Read More about Alloy design against the solidification cracking in fusion additive manufacturing: an application to a FeCrAl alloy.

Microstructure and tensile properties of additive manufactured Ti-6Al-4V with refined prior-β grain structure obtained by rapid heat treatment (2021)
Journal Article
Zou, Z., Simonelli, M., Katrib, J., Dimitrakis, G., & Hague, R. (2021). Microstructure and tensile properties of additive manufactured Ti-6Al-4V with refined prior-β grain structure obtained by rapid heat treatment. Materials Science and Engineering: A, 814, Article 141271. https://doi.org/10.1016/j.msea.2021.141271

Heat treatments tailored for additive manufactured Ti-6Al-4V can be used to attain desirable microstructures associated with superior mechanical properties. Rapid heat treatments, for example, can be used to recrystallise the microstructure of laser... Read More about Microstructure and tensile properties of additive manufactured Ti-6Al-4V with refined prior-β grain structure obtained by rapid heat treatment.

On the use of small ring testing for the characterisation of elastic and yield material property variation in additively manufactured materials (2020)
Journal Article
Rouse, J. P., Simonelli, M., & Hyde, C. J. (2020). On the use of small ring testing for the characterisation of elastic and yield material property variation in additively manufactured materials. Additive Manufacturing, 36, Article 101589. https://doi.org/10.1016/j.addma.2020.101589

© 2020 Elsevier B.V. The present work introduces a small volume, high throughput testing method that may be used to quickly, and with high spatial fidelity, investigate local material properties in additively manufactured materials. A case study appl... Read More about On the use of small ring testing for the characterisation of elastic and yield material property variation in additively manufactured materials.

The Influence of Iron in Minimizing the Microstructural Anisotropy of Ti-6Al-4V Produced by Laser Powder-Bed Fusion (2020)
Journal Article
Simonelli, M., McCartney, D. G., Barriobero-Vila, P., Aboulkhair, N. T., Tse, Y. Y., Clare, A., & Hague, R. (2020). The Influence of Iron in Minimizing the Microstructural Anisotropy of Ti-6Al-4V Produced by Laser Powder-Bed Fusion. Metallurgical and Materials Transactions A, 51, 2444–2459. https://doi.org/10.1007/s11661-020-05692-6

There remains a significant challenge in adapting alloys for metal based Additive Manufacturing (AM). Adjusting alloy composition to suit the process, particularly under regimes close to industrial practice, is therefore a potential solution. With th... Read More about The Influence of Iron in Minimizing the Microstructural Anisotropy of Ti-6Al-4V Produced by Laser Powder-Bed Fusion.