4500 - Faculty of Engineering

Using cohesive zone models with digital image correlation to obtain a mixed mode I/II fracture envelope of a tough epoxy (2023)
Journal Article
Jackson, C. M., McGuire, J. A., Losada, M. E., Maskery, I., Ashcroft, I., De Vita, R., & Dillard, D. A. (2024). Using cohesive zone models with digital image correlation to obtain a mixed mode I/II fracture envelope of a tough epoxy. Engineering Fracture Mechanics, 295, Article 109732. https://doi.org/10.1016/j.engfracmech.2023.109732

This work describes a method in which the digital image correlation (DIC) method and finite element analysis (FEA) were used to create a quasi-static mixed-mode fracture envelope for bonded joints consisting of 2024-T3 Al adherends and a tough struct... Read More about Using cohesive zone models with digital image correlation to obtain a mixed mode I/II fracture envelope of a tough epoxy.

The impact of the risk of build failure on energy consumption in additive manufacturing (2022)
Journal Article
Wang, H., Baumers, M., Basak, S., He, Y., & Ashcroft, I. (2022). The impact of the risk of build failure on energy consumption in additive manufacturing. Journal of Industrial Ecology, 26(5), 1771-1783. https://doi.org/10.1111/jiec.13318

Additive manufacturing (AM), also known as 3D printing, is associated with significant promise in the manufacturing sector. However, it has been shown that the risk of build failure has a substantial impact on the costs of AM and that this results fr... Read More about The impact of the risk of build failure on energy consumption in additive manufacturing.

On the thermomechanical aging of LPBF alloy 718 (2022)
Journal Article
Sanchez, S., Gaspard, G., Hyde, C. J., Ashcroft, I. A., Ravi, G. A., & Clare, A. T. (2022). On the thermomechanical aging of LPBF alloy 718. Materials Science and Engineering: A, 841, Article 142998. https://doi.org/10.1016/j.msea.2022.142998

Heat treatment of products post additive manufacture are considered hugely important since the metallurgical condition post process is suboptimal. In the case of nickel-based superalloys, grain size, precipitate distribution and precipitate size are... Read More about On the thermomechanical aging of LPBF alloy 718.

Continuous fibre composite 3D printing with pultruded carbon/PA6 commingled fibres: Processing and mechanical properties (2022)
Journal Article
Zhuo, P., Li, S., Ashcroft, I., & Jones, I. A. (2022). Continuous fibre composite 3D printing with pultruded carbon/PA6 commingled fibres: Processing and mechanical properties. Composites Science and Technology, 221, Article 109341. https://doi.org/10.1016/j.compscitech.2022.109341

Continuous Fibre composite 3D printing (CF-3DP) technology is a newly developed Additive Manufacturing (AM) process. By employing continuous fibre as a reinforcement for the composite, the mechanical properties of the 3D printed part can be significa... Read More about Continuous fibre composite 3D printing with pultruded carbon/PA6 commingled fibres: Processing and mechanical properties.

Reactive Jetting of High Viscosity Nanocomposites for Dielectric Elastomer Actuation (2022)
Journal Article
Malas, A., Saleh, E., Giménez‐López, M. D. C., Rance, G. A., Helps, T., Taghavi, M., …Goodridge, R. D. (2022). Reactive Jetting of High Viscosity Nanocomposites for Dielectric Elastomer Actuation. Advanced Materials Technologies, 7(6), Article 2101111. https://doi.org/10.1002/admt.202101111

The layer-by-layer nature of additive manufacturing is well matched to the layer construction of stacked dielectric actuators, with inkjet printing offering a unique opportunity due to its droplet-on-demand capability, suitable for multi-material pro... Read More about Reactive Jetting of High Viscosity Nanocomposites for Dielectric Elastomer Actuation.

FLatt Pack: A research-focussed lattice design program (2021)
Journal Article
Maskery, I., Parry, L. A., Padrão, D., Hague, R., & Ashcroft, I. A. (2022). FLatt Pack: A research-focussed lattice design program. Additive Manufacturing, 49, Article 102510. https://doi.org/10.1016/j.addma.2021.102510

Lattice structures are an important aspect of design for additive manufacturing (DfAM). They enable significant component light-weighting and the tailoring of a wide range of physical responses; mechanical, thermal, acoustic, etc. In turn, lattice de... Read More about FLatt Pack: A research-focussed lattice design program.

Low thermal expansion machine frame designs using lattice structures (2021)
Journal Article
Juasiripukdee, P., Maskery, I., Ashcroft, I., & Leach, R. (2021). Low thermal expansion machine frame designs using lattice structures. Applied Sciences, 11(19), Article 9135. https://doi.org/10.3390/app11199135

In this work, we investigated tessellating cellular (or lattice) structures for use in a low thermal expansion machine frame. We proposed a concept for a lattice structure with tailorable effective coefficient of thermal expansion (CTE). The design i... Read More about Low thermal expansion machine frame designs using lattice structures.

Process-structure-property relationships in laser powder bed fusion of permanent magnetic Nd-Fe-B (2021)
Journal Article
Wu, J., Aboulkhair, N. T., Degano, M., Ashcroft, I., & Hague, R. J. (2021). Process-structure-property relationships in laser powder bed fusion of permanent magnetic Nd-Fe-B. Materials and Design, 209, Article 109992. https://doi.org/10.1016/j.matdes.2021.109992

Laser powder-bed fusion (L-PBF), as an additive manufacturing (AM) technique, has demonstrated excellent capabilities in achieving degrees of freedom in manufacturing that are otherwise unattainable. The potential of combining Nd-Fe-B as a permanent... Read More about Process-structure-property relationships in laser powder bed fusion of permanent magnetic Nd-Fe-B.

Material extrusion additive manufacturing of continuous fibre reinforced polymer matrix composites: A review and outlook (2021)
Journal Article
Zhuo, P., Li, S., Ashcroft, I. A., & Jones, A. I. (2021). Material extrusion additive manufacturing of continuous fibre reinforced polymer matrix composites: A review and outlook. Composites Part B: Engineering, 224, Article 109143. https://doi.org/10.1016/j.compositesb.2021.109143

In recent years, three-dimensional printing (3DP) technology has developed to include composite materials. Most of the development to date in this area has involved particulate or short fibre reinforced composites, whilst continuous fibre printing re... Read More about Material extrusion additive manufacturing of continuous fibre reinforced polymer matrix composites: A review and outlook.

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