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Auxetic metamaterial optimisation for head impact mitigation in American football (2021)
Journal Article
Burek, R., Hanna, B., Adams, R., Townsend, S., Robinson, M., Soe, S., …Theobald, P. (2021). Auxetic metamaterial optimisation for head impact mitigation in American football. International Journal of Impact Engineering, 157, https://doi.org/10.1016/j.ijimpeng.2021.103991

American football has a comparatively high rate of sports-related concussions, despite mitigating strategies including the use of protective helmets. The traditional energy absorbing component, elastomeric foam pads, have limited scope for leveraging... Read More about Auxetic metamaterial optimisation for head impact mitigation in American football.

Investigating the dynamic compression response of elastomeric, additively manufactured fluid-filled structures via experimental and finite element analyses (2021)
Journal Article
Soe, S., Adams, R., Hossain, M., & Theobald, P. (2021). Investigating the dynamic compression response of elastomeric, additively manufactured fluid-filled structures via experimental and finite element analyses. Additive Manufacturing, 39, 101885. https://doi.org/10.1016/j.addma.2021.101885

This study evaluates a fluid-filled, closed-cell lattice as a novel route to reducing peak acceleration in impact environments. A conical structure was designed and built using fused filament fabrication. One structure was manufactured hollow (100% a... Read More about Investigating the dynamic compression response of elastomeric, additively manufactured fluid-filled structures via experimental and finite element analyses.

Laser powder bed fusion of WC-reinforced Hastelloy-X composite: Microstructure and mechanical properties (2020)
Journal Article
Han, Q., Gu, Y., Gu, H., Yin, Y., Song, J., Zhang, Z., & Soe, S. (2021). Laser powder bed fusion of WC-reinforced Hastelloy-X composite: Microstructure and mechanical properties. Journal of Materials Science, 56, 1768-1782. https://doi.org/10.1007/s10853-020-05327-6

Nickel-based superalloys such as Hastelloy X (HX) are widely used in gas turbine engines for their exceptional oxidation resistance and high-temperature strength. The addition of ceramic reinforcement further enhances these superalloys’ mechanical pe... Read More about Laser powder bed fusion of WC-reinforced Hastelloy-X composite: Microstructure and mechanical properties.

The effect of heat treatment of AlSi10Mg on the energy absorption performance of surface-based structures (2020)
Conference Proceeding
Robinson, M., Han, Q., Gu, H., Soe, S., & Setchi, R. (2021). The effect of heat treatment of AlSi10Mg on the energy absorption performance of surface-based structures. In S. Scholz, R. Howlett, & R. Setchi (Eds.), Sustainable Design and Manufacturing 2020. , (395-402). https://doi.org/10.1007/978-981-15-8131-1_35

Additive Manufacturing of cellular lattice structures offers opportunities to fine-tune the mechanical response by altering geometric variables. It is known that heat treatment cycles provide an effective way of altering mechanical properties while r... Read More about The effect of heat treatment of AlSi10Mg on the energy absorption performance of surface-based structures.

Using FFF and topology optimisation to increase crushing strength in equestrian helmets (2020)
Conference Proceeding
Soe, S., Robinson, M., Gaisin, K., Adams, R., Palkowski, T., & Theobald, P. (2021). Using FFF and topology optimisation to increase crushing strength in equestrian helmets. In S. Scholz, R. Howlett, & R. Setchi (Eds.), Sustainable Design and Manufacturing 2020. , (369-377). https://doi.org/10.1007/978-981-15-8131-1_33

International standards ensure that equestrian helmets achieve high performance. Recently, one such standard (PAS 015) was revised to include a lateral deformation requirement, ensuring helmets can withstand the potential crushing forces associated w... Read More about Using FFF and topology optimisation to increase crushing strength in equestrian helmets.

Effect of hot cracking on the mechanical properties of Hastelloy X superalloy fabricated by laser powder bed fusion additive manufacturing (2019)
Journal Article
Han, Q., Gu, Y., Soe, S., Lacan, F., & Setchi, R. (2020). Effect of hot cracking on the mechanical properties of Hastelloy X superalloy fabricated by laser powder bed fusion additive manufacturing. Optics and Laser Technology, 124, https://doi.org/10.1016/j.optlastec.2019.105984

Nickel-based superalloys such as Hastelloy X (HX) are widely used in gas turbine engine applications and the aerospace industry. HX is susceptible to hot cracking, however, when processed using additive manufacturing technologies such as laser powder... Read More about Effect of hot cracking on the mechanical properties of Hastelloy X superalloy fabricated by laser powder bed fusion additive manufacturing.

A novel pathway for efficient characterisation of additively manufactured thermoplastic elastomers (2019)
Journal Article
Adams, R., Soe, S., Santiago, R., Robinson, M., Hanna, B., McShane, G., …Theobald, P. (2019). A novel pathway for efficient characterisation of additively manufactured thermoplastic elastomers. Materials and Design, 180, https://doi.org/10.1016/j.matdes.2019.107917

Thermoplastic elastomers (TPE) are commonly used to fabricate structures for application in repeatable, energy absorption environments. The emergence of additive manufacturing (AM) means scope now exists to design and build complex TPE components tha... Read More about A novel pathway for efficient characterisation of additively manufactured thermoplastic elastomers.

Finite element modeling of gyroid structures subjected to impact loadings (2019)
Presentation / Conference
Ramos, H., Santiago, R., Alves, M., Theobald, P., Soe, S., & Brasil, R. (2019, April). Finite element modeling of gyroid structures subjected to impact loadings. Paper presented at 7th International Symposium on Solid Mechanics, ABCM, Sao Carlos, SP, Brazil

On the AIC-based model reduction for the general Holzapfel–Ogden myocardial constitutive law (2019)
Journal Article
Guan, D., Ahmad, F., Theobald, P., Soe, S., Luo, X., & Gao, H. (2019). On the AIC-based model reduction for the general Holzapfel–Ogden myocardial constitutive law. Biomechanics and Modeling in Mechanobiology, 18(4), 1213-1232. https://doi.org/10.1007/s10237-019-01140-6

© 2019, The Author(s). Constitutive laws that describe the mechanical responses of cardiac tissue under loading hold the key to accurately model the biomechanical behaviour of the heart. There have been ample choices of phenomenological constitutive... Read More about On the AIC-based model reduction for the general Holzapfel–Ogden myocardial constitutive law.

Mechanical characterisation of additively manufactured elastomeric structures for variable strain rate applications (2019)
Journal Article
Robinson, M., Soe, S., Johnston, R., Adams, R., Hanna, B., Burek, R., …Theobald, P. (2019). Mechanical characterisation of additively manufactured elastomeric structures for variable strain rate applications. Additive Manufacturing, 27, 398-407. https://doi.org/10.1016/j.addma.2019.03.022

© 2019 Elsevier B.V. Additive manufacturing (AM) enables production of geometrically-complex elastomeric structures. The elastic recovery and strain-rate dependence of these materials means they are ideal for use in dynamic, repetitive mechanical loa... Read More about Mechanical characterisation of additively manufactured elastomeric structures for variable strain rate applications.

Manufacturability of AlSi10Mg overhang structures fabricated by laser powder bed fusion (2018)
Journal Article
Setchi, R., Han, Q., Gu, H., Soe, S., Setchi, R., Lacan, F., & Hill, J. (2018). Manufacturability of AlSi10Mg overhang structures fabricated by laser powder bed fusion. Materials and Design, 160, 1080-1095. https://doi.org/10.1016/j.matdes.2018.10.043

© 2018 Elsevier Ltd The main advantage of laser powder bed fusion (LPBF) is its use for directly manufacturing metal components with highly complex geometries. But the LPBF manufacture of overhang structures, also known as downward-facing surfaces, i... Read More about Manufacturability of AlSi10Mg overhang structures fabricated by laser powder bed fusion.

Biomechanical properties and microstructure of neonatal porcine ventricles (2018)
Journal Article
Ahmad, F., Prabhu, R., Liao, J., Soe, S., Jones, M. D., Miller, J., …Theobald, P. S. (2018). Biomechanical properties and microstructure of neonatal porcine ventricles. Journal of the Mechanical Behavior of Biomedical Materials, 88, 18-28. https://doi.org/10.1016/j.jmbbm.2018.07.038

© 2018 Elsevier Ltd Neonatal heart disorders represent a major clinical challenge, with congenital heart disease alone affecting 36,000 new-borns annually within the European Union. Surgical intervention to restore normal function includes the implan... Read More about Biomechanical properties and microstructure of neonatal porcine ventricles.

Region-Specific Microstructure in the Neonatal Ventricles of a Porcine Model (2018)
Journal Article
Jones, M., Ahmad, F., Ahmad, F., Soe, S., White, N., Johnston, R., …Theobald, P. (2018). Region-Specific Microstructure in the Neonatal Ventricles of a Porcine Model. Annals of Biomedical Engineering, 46(12), 2162-2176. https://doi.org/10.1007/s10439-018-2089-4

© 2018, Biomedical Engineering Society. The neonate transitions from placenta-derived oxygen, to supply from the pulmonary system, moments after birth. This requires a series of structural developments to divert more blood through the right heart and... Read More about Region-Specific Microstructure in the Neonatal Ventricles of a Porcine Model.

Developing elastomeric cellular structures for multiple head impacts (2017)
Conference Proceeding
Robinson, M., Soe, S., McShane, G., Celeghini, R., Burek, R., Alves, M., & Theobald, P. (2017). Developing elastomeric cellular structures for multiple head impacts. In 2017 IRCOBI Conference Proceedings

Foam?based materials were originally incorporated into helmets in the 1970?s, providing an effective method of absorbing impact energy and so protecting against severe head injury. Similar materials still exist in the majority of protective helmets t... Read More about Developing elastomeric cellular structures for multiple head impacts.

Quasi-static analysis of mechanical properties of Ti6Al4V lattice structures manufactured using selective laser melting (2017)
Journal Article
Setchi, R., Feng, Q., Tang, Q., Liu, Y., Soe, S., Ma, S., & Bai, L. (2018). Quasi-static analysis of mechanical properties of Ti6Al4V lattice structures manufactured using selective laser melting. International Journal of Advanced Manufacturing Technology, 94(5-8), 2301-2313. https://doi.org/10.1007/s00170-017-0932-7

© 2017, Springer-Verlag London Ltd. Selective laser melting (SLM) is a transformative manufacturing process due to its ability to manufacture complex metal parts directly from various bulk powders. With the capability of reducing powder consumption a... Read More about Quasi-static analysis of mechanical properties of Ti6Al4V lattice structures manufactured using selective laser melting.

Enhancing parametric design through non-manifold topology (2017)
Journal Article
Lannon, S., Jabi, W., Soe, S., Theobald, P., & Aish, R. (2017). Enhancing parametric design through non-manifold topology. Design Studies, 52, 96-114. https://doi.org/10.1016/j.destud.2017.04.003

© 2017 Elsevier Ltd This paper aims to build a theoretical foundation for parametric design thinking by exploring its cognitive roots, unfolding its basic tenets, expanding its definition through new concepts, and exemplifying its potential through a... Read More about Enhancing parametric design through non-manifold topology.

An integrated eco-design decision making tool (2016)
Conference Proceeding
Romli, A., Prickett, P., Setchi, R., & Soe, S. (2016). An integrated eco-design decision making tool. In Sustainable Design and Manufacturing 2016, (537--548). https://doi.org/10.1007/978-3-319-32098-4

The application of an integrated eco-design decision making tool is presented as a case study considering the design of an office chair base. This study brings together the analysis of factors relating to manufacturing processes, product usage and en... Read More about An integrated eco-design decision making tool.

Eco-case based reasoning (Eco-CBR) for supporting sustainable product design (2015)
Conference Proceeding
Romli, A., Setchi, R., Soe, S., & Prickett, P. (2015). Eco-case based reasoning (Eco-CBR) for supporting sustainable product design. In SDM'2015: 2nd International Conference on Sustainable Design and Manufacturing, 145-158

A major challenge for any manufacturer is including aspects of sustainable development in product design. These are related to the social, environmental and economic impacts of the proposed product. This paper proposes the development of an eco- case... Read More about Eco-case based reasoning (Eco-CBR) for supporting sustainable product design.