All Outputs (9)

A framework for differentiation in composed digital-physical products (2020)
Journal Article
Baumers, M., Ashcroft, I., Benford, S., Flintham, M., Koleva, B., Tóth, Z., & Winklhofer, H. (2020). A framework for differentiation in composed digital-physical products. International Journal of Mechatronics and Manufacturing Systems, 13(4), 286-298. https://doi.org/10.1504/IJMMS.2020.112351

Product-service systems (PSS) composed of physical products and digital services are emerging as an important new product category. In this paper we suggest that the established metaphor of 'layering' is insufficient to capture the diverse ways in wh... Read More about A framework for differentiation in composed digital-physical products.

Development and Testing of Soft Magnetic Rotor for a Switched Reluctance Motor Built Through Additive Manufacturing Technology (2020)
Conference Proceeding
Gargalis, L., Madonna, V., Giangrande, P., Rocca, R., Ashcroft, I., Hague, R., & Galea, M. (2020). Development and Testing of Soft Magnetic Rotor for a Switched Reluctance Motor Built Through Additive Manufacturing Technology. In 2020 23rd International Conference on Electrical Machines and Systems (ICEMS) (263-268). https://doi.org/10.23919/icems50442.2020.9290893

Additive manufacturing, commonly known as 3D printing, is an emerging technology that is gaining considerable research interest in recent years. In particular, metal printing methodologies might be successfully employed in developing lightweight and... Read More about Development and Testing of Soft Magnetic Rotor for a Switched Reluctance Motor Built Through Additive Manufacturing Technology.

3D Printing as a Technology Enabler for Electrical Machines: Manufacturing and Testing of a Salient Pole Rotor for SRM (2020)
Conference Proceeding
Gargalis, L., Madonna, V., Giangrande, P., Hardy, M., Ashcroft, I., Galea, M., & Hague, R. (2020). 3D Printing as a Technology Enabler for Electrical Machines: Manufacturing and Testing of a Salient Pole Rotor for SRM. In 2020 International Conference on Electrical Machines (ICEM) (12-18). https://doi.org/10.1109/icem49940.2020.9270737

Among the various technology enablers for modern electrical machines, additive manufacturing plays a key role. The advantage of having a precise control of the shape of ferromagnetic structures, whilst achieving good electromagnetic performance, fits... Read More about 3D Printing as a Technology Enabler for Electrical Machines: Manufacturing and Testing of a Salient Pole Rotor for SRM.

Additive Manufacturing and Testing of a Soft Magnetic Rotor for a Switched Reluctance Motor (2020)
Journal Article
Gargalis, L., Madonna, V., Giangrande, P., Rocca, R., Hardy, M., Ashcroft, I., …Hague, R. (2020). Additive Manufacturing and Testing of a Soft Magnetic Rotor for a Switched Reluctance Motor. IEEE Access, 8, 206982-206991. https://doi.org/10.1109/ACCESS.2020.3037190

Additive manufacturing is acknowledged as a key enabling technology, although its adoption is still constrained to niche applications. A promising area for this technology is the production of electrical machines (EMs) and/or their main components (e... Read More about Additive Manufacturing and Testing of a Soft Magnetic Rotor for a Switched Reluctance Motor.

Understanding Mechanical Properties in Fused Filament Fabrication of Polyether Ether Ketone (2020)
Journal Article
Pu, J., McIlroy, C., Jones, A., & Ashcroft, I. (2021). Understanding Mechanical Properties in Fused Filament Fabrication of Polyether Ether Ketone. Additive Manufacturing, 37, Article 101673. https://doi.org/10.1016/j.addma.2020.101673

Using dynamic mechanical analysis (DMA), we investigate differences in the mechanical properties of a single-filament wall of polyether ether ketone (PEEK) constructed using fused filament fabrication (FFF) under a range of different printing conditi... Read More about Understanding Mechanical Properties in Fused Filament Fabrication of Polyether Ether Ketone.

The deformation and elastic anisotropy of a new gyroid-based honeycomb made by laser sintering (2020)
Journal Article
Maskery, I., & Ashcroft, I. A. (2020). The deformation and elastic anisotropy of a new gyroid-based honeycomb made by laser sintering. Additive Manufacturing, 36, https://doi.org/10.1016/j.addma.2020.101548

© 2020 The Author(s) The stiffness, anisotropy and structural deformation of three gyroid-based lattices was investigated, with particular focus on a newly proposed honeycomb gyroid. This honeycomb is based on a modified triply periodic minimal surfa... Read More about The deformation and elastic anisotropy of a new gyroid-based honeycomb made by laser sintering.

Generation of graded porous structures by control of process parameters in the selective laser melting of a fixed ratio salt-metal feedstock (2020)
Journal Article
Aboulkhair, N. T., Zhao, G., Hague, R. J., Kennedy, A. R., Ashcroft, I. A., & Clare, A. T. (2020). Generation of graded porous structures by control of process parameters in the selective laser melting of a fixed ratio salt-metal feedstock. Journal of Manufacturing Processes, 55, 249-253. https://doi.org/10.1016/j.jmapro.2020.04.039

The demonstration of salt dissolution incorporated within laser powder-bed fusion fabrication processes has allowed the creation of complex porous structures without the need for sophisticated design algorithms. This serves to simplify the process, f... Read More about Generation of graded porous structures by control of process parameters in the selective laser melting of a fixed ratio salt-metal feedstock.

Phase-field modelling of brittle fracture in thin shell elements based on the MITC4+ approach (2020)
Journal Article
Pillai, U., Triantafyllou, S. P., Ashcroft, I., Essa, Y., & de la Escalera, F. M. (2020). Phase-field modelling of brittle fracture in thin shell elements based on the MITC4+ approach. Computational Mechanics, 65, 1413–1432. https://doi.org/10.1007/s00466-020-01827-z

We present a phase field based MITC4+ shell element formulation to simulate fracture propagation in thin shell structures. The employed MITC4+ approach renders the element shear- and membrane- locking free, hence providing high-fidelity fracture simu... Read More about Phase-field modelling of brittle fracture in thin shell elements based on the MITC4+ approach.

Optimal orientation of fibre composites for strength based on Hashin’s criteria optimality conditions (2020)
Journal Article
Ferreira, R. T., & Ashcroft, I. A. (2020). Optimal orientation of fibre composites for strength based on Hashin’s criteria optimality conditions. Structural and Multidisciplinary Optimization, 61, 2155–2176. https://doi.org/10.1007/s00158-019-02462-w

© 2020, The Author(s). The Hashin’s strength criteria are usually employed in first ply failure and damage-onset analysis of fibre-reinforced composites. This work presents optimality conditions of local material orientations for these criteria, in t... Read More about Optimal orientation of fibre composites for strength based on Hashin’s criteria optimality conditions.