Professor RUTH GOODRIDGE's Outputs (19)

The effect of inter-and intra-layer delay time on TPU parts fabricated by laser powder bed fusion (2024)
Journal Article
Connor, S., Goodridge, R., & Maskery, I. (in press). The effect of inter-and intra-layer delay time on TPU parts fabricated by laser powder bed fusion. Progress in Additive Manufacturing,

In polymer laser powder bed fusion (PBF-LB-P) techniques, such as laser sintering, the time between scanning a given point in one layer and the same x-y point in the next layer is known as the `inter-layer delay time'. Multiple parts are normally fa... Read More about The effect of inter-and intra-layer delay time on TPU parts fabricated by laser powder bed fusion.

Adding functionality to powder bed fusion materials: Creating magnetic polymers using hybridized hollow carbon nanofibres (2023)
Journal Article
Goodridge, R. D., Herreros-Lucas, C., & del Carmen Gimenez-Lopez, M. (2023). Adding functionality to powder bed fusion materials: Creating magnetic polymers using hybridized hollow carbon nanofibres. Additive Manufacturing, 69, Article 103518. https://doi.org/10.1016/j.addma.2023.103518

A method is presented, using Fe3O4 nanoparticles hybridized with hollow carbon nanofibers (Fe3O4NP@CNF) as an example, to add functionality to polymer powders for powder bed fusion with laser beam (PBF/LB-P). There are currently only a small number o... Read More about Adding functionality to powder bed fusion materials: Creating magnetic polymers using hybridized hollow carbon nanofibres.

Electrochemical Oscillatory Baffled Reactors Fabricated with Additive Manufacturing for Efficient Continuous-Flow Oxidations (2022)
Journal Article
Alvarez, E., Romero-Fernandez, M., Iglesias, D., Martinez-Cuenca, R., Okafor, O., Delorme, A., Lozano, P., Goodridge, R., Paradisi, F., Walsh, D. A., & Sans, V. (2022). Electrochemical Oscillatory Baffled Reactors Fabricated with Additive Manufacturing for Efficient Continuous-Flow Oxidations. ACS Sustainable Chemistry and Engineering, 10(7), 2388-2396. https://doi.org/10.1021/acssuschemeng.1c06799

Electrochemical continuous-flow reactors offer a great opportunity for enhanced and sustainable chemical syntheses. Here, we present a novel application of electrochemical continuous-flow oscillatory baffled reactors (ECOBRs) that combines advanced m... Read More about Electrochemical Oscillatory Baffled Reactors Fabricated with Additive Manufacturing for Efficient Continuous-Flow Oxidations.

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., Rossiter, J. M., Tuck, C. J., Ashcroft, I. A., & 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.

Laser powder bed fusion of soda lime silica glass: optimisation of processing parameters and evaluation of part properties (2021)
Journal Article
Datsiou, K. C., Spirrett, F., Ashcroft, I., Magallanes, M., Christie, S., & Goodridge, R. (2021). Laser powder bed fusion of soda lime silica glass: optimisation of processing parameters and evaluation of part properties. Additive Manufacturing, 39, Article 101880. https://doi.org/10.1016/j.addma.2021.101880

Glass has a number of attractive properties, such as transparency, chemical resistance, good thermal stability and high electrical resistivity , that make it a favourable material for a range of applications, including medical technology, electronics... Read More about Laser powder bed fusion of soda lime silica glass: optimisation of processing parameters and evaluation of part properties.

Additive manufacturing of advanced ceramic materials (2020)
Journal Article
Lakhdar, Y., Tuck, C., Binner, J., Terry, A., & Goodridge, R. (2021). Additive manufacturing of advanced ceramic materials. Progress in Materials Science, 116, Article 100736. https://doi.org/10.1016/j.pmatsci.2020.100736

Additive manufacturing (AM) has the potential to disrupt the ceramic industry by offering new opportunities to manufacture advanced ceramic components without the need for expensive tooling, thereby reducing production costs and lead times and increa... Read More about Additive manufacturing of advanced ceramic materials.

Dispersion and stability of colloidal boron carbide suspensions (2020)
Journal Article
Lakhdar, Y., Tuck, C., Terry, A., & Goodridge, R. (2020). Dispersion and stability of colloidal boron carbide suspensions. Ceramics International, 46(18, Part A), 27957-27966. https://doi.org/10.1016/j.ceramint.2020.07.289

The effects of several anionic, cationic and non-ionic polyelectrolyte dispersants on the stability and rheology of aqueous boron carbide (B4C) suspensions were investigated using zeta potential measurements, settling experiments, and rheological stu... Read More about Dispersion and stability of colloidal boron carbide suspensions.

Continuous-flow crystallisation in 3D-printed compact devices (2019)
Journal Article
Okafor, O., Robertson, K., Goodridge, R., & Sans, V. (2019). Continuous-flow crystallisation in 3D-printed compact devices. Reaction Chemistry and Engineering, 4(9), 1682-1688. https://doi.org/10.1039/c9re00188c

© 2019 The Royal Society of Chemistry. A flexible and cost-effective methodology to develop compact flow devices with heat exchange ability is presented here. Additive manufacturing techniques allow the rapid design and manufacture of modular jackete... Read More about Continuous-flow crystallisation in 3D-printed compact devices.

Additive manufacturing of glass with laser powder bed fusion (2019)
Journal Article
Datsiou, K. C., Saleh, E., Spirrett, F., Goodridge, R., Ashcroft, I., & Eustice, D. A. (2019). Additive manufacturing of glass with laser powder bed fusion. Journal of the American Ceramic Society, 102(8), 4410-4414. https://doi.org/10.1111/jace.16440

Its transparency, aesthetic appeal, chemical inertness and electrical resistivity make glass an excellent candidate for small and large‐scale applications in the chemical, electronics, automotive, aerospace and architectural industries. Additive manu... Read More about Additive manufacturing of glass with laser powder bed fusion.

In-process measurement and monitoring of a polymer laser sintering powder bed with fringe projection (2018)
Journal Article
Southon, N., Stavroulakis, P., Goodridge, R., & Leach, R. (2018). In-process measurement and monitoring of a polymer laser sintering powder bed with fringe projection. Materials and Design, 157, 227-234. https://doi.org/10.1016/j.matdes.2018.07.053

We investigate the feasibility of using fringe projection to monitor the powder bed of a polyamide 12 polymer laser sintering machine. In particular, we demonstrate the ability of fringe projection to identify a number of defects arising during the p... Read More about In-process measurement and monitoring of a polymer laser sintering powder bed with fringe projection.

Laser sintering of nano-hydroxyapatite coated polyamide 12 powders (2018)
Journal Article
Hui, D., Goodridge, R. D., Scotchford, C., & Grant, D. M. (2018). Laser sintering of nano-hydroxyapatite coated polyamide 12 powders. Additive Manufacturing, 22, 560-570. https://doi.org/10.1016/j.addma.2018.05.045

As part of a larger study on the laser sintering (LS) of nano-composite structures for biomedical applications, a wet mixing method was used to coat Polyamide 12 (PA12) particles with nano-hydroxyapatite (nHA). The addition of nHA significantly affec... Read More about Laser sintering of nano-hydroxyapatite coated polyamide 12 powders.

Tuneable 3D printed bioreactors for transaminations under continuous-flow (2017)
Journal Article
Peris, E., Okafor, O., Kulchinskaja, E., Goodridge, R. D., Luis, S. V., Garcia-Verdugo, E., O'Reilly, E., & Sans, V. (2017). Tuneable 3D printed bioreactors for transaminations under continuous-flow. Green Chemistry, 19(22), https://doi.org/10.1039/C7GC02421E

A method to efficiently immobilize enzymes on 3D printed continuous-flow devices is presented. Application of these chemically modified devices enables rapid screening of immobilization mechanisms and reaction conditions, simple transfer of optimised... Read More about Tuneable 3D printed bioreactors for transaminations under continuous-flow.

Advanced reactor engineering with 3D printing for the continuous-flow synthesis of silver nanoparticles (2017)
Journal Article
Okafor, O., Weilhard, A., Fernandes, J. A., Karjalainen, E., Goodridge, R., & Sans, V. (2017). Advanced reactor engineering with 3D printing for the continuous-flow synthesis of silver nanoparticles. Reaction Chemistry and Engineering, 2(2), 129-136. https://doi.org/10.1039/c6re00210b

© 2017 The Royal Society of Chemistry. The implementation of advanced reactor engineering concepts employing additive manufacturing is demonstrated. The design and manufacturing of miniaturised continuous flow oscillatory baffled reactors (mCOBR) emp... Read More about Advanced reactor engineering with 3D printing for the continuous-flow synthesis of silver nanoparticles.

3D printed fluidics with embedded analytic functionality for automated reaction optimisation (2017)
Journal Article
Capel, A. J., Wright, A., Harding, M. J., Weaver, G. W., Li, Y., Harris, R. A., Edmondson, S., Goodridge, R. D., & Christie, S. D. (2017). 3D printed fluidics with embedded analytic functionality for automated reaction optimisation. Beilstein Journal of Organic Chemistry, 13, https://doi.org/10.3762/bjoc.13.14

Additive manufacturing or ‘3D printing’ is being developed as a novel manufacturing process for the production of bespoke micro- and milliscale fluidic devices. When coupled with online monitoring and optimisation software, this offers an advanced, c... Read More about 3D printed fluidics with embedded analytic functionality for automated reaction optimisation.

Surface chemistry of Ti6Al4V components fabricated using selective laser melting for biomedical applications (2016)
Journal Article
Vaithilingam, J., Prina, E., Goodridge, R. D., Hague, R. J., Edmondson, S., Rose, F. R., & Christie, S. D. (2016). Surface chemistry of Ti6Al4V components fabricated using selective laser melting for biomedical applications. Materials Science and Engineering: C, 67, 294-303. https://doi.org/10.1016/j.msec.2016.05.054

Selective laser melting (SLM) has previously been shown to be a viable method for fabricating biomedical implants; however, the surface chemistry of SLM fabricated parts is poorly understood. In this study, X-ray photoelectron spectroscopy (XPS) was... Read More about Surface chemistry of Ti6Al4V components fabricated using selective laser melting for biomedical applications.

The effect of laser remelting on the surface chemistry of Ti6al4V components fabricated by selective laser melting (2016)
Journal Article
Vaithilingam, J., Goodridge, R. D., Hague, R. J., Christie, S. D., & Edmondson, S. (2016). The effect of laser remelting on the surface chemistry of Ti6al4V components fabricated by selective laser melting. Journal of Materials Processing Technology, 232, https://doi.org/10.1016/j.jmatprotec.2016.01.022

Surface remelting/skin scanning of components is generally performed during the selective laser melting (SLM) process to improve the surface quality of a part. However, the chemical effects of surface remelting are not well understood. In this study,... Read More about The effect of laser remelting on the surface chemistry of Ti6al4V components fabricated by selective laser melting.

Functionalisation of Ti6Al4V components fabricated using selective laser melting with a bioactive compound (2014)
Journal Article
Vaithilingam, J., Kilsby, S., Goodridge, R. D., Christie, S. D., Edmondson, S., & Hague, R. J. (2015). Functionalisation of Ti6Al4V components fabricated using selective laser melting with a bioactive compound. Materials Science and Engineering: C, 46, 52-61. https://doi.org/10.1016/j.msec.2014.10.015

Surface modification of an implant with a biomolecule is used to improve its biocompatibility and to reduce post-implant complications. In this study, a novel approach has been used to functionalise phosphonic acid monolayers with a drug. Ti6Al4V com... Read More about Functionalisation of Ti6Al4V components fabricated using selective laser melting with a bioactive compound.

Aging behavior of thermoplastic elastomers in the laser sintering process (2014)
Journal Article
Ziegelmeier, S., Wöllecke, F., Tuck, C. J., Goodridge, R. D., & Hague, R. J. (2014). Aging behavior of thermoplastic elastomers in the laser sintering process. Journal of Materials Research, 29(17), 1841-1851. https://doi.org/10.1557/jmr.2014.172

It is known that polymers used in laser sintering (LS) change their intrinsic properties due to processing conditions that are close to the crystalline melting temperature. This paper evaluates the aging behavior of a thermoplastic polyurethane powde... Read More about Aging behavior of thermoplastic elastomers in the laser sintering process.

An experimental study into the effects of bulk and flow behaviour of laser sintering polymer powders on resulting part properties (2014)
Journal Article
Ziegelmeier, S., Christou, P., Wöllecke, F., Tuck, C., Goodridge, R. D., Hague, R. J., Krampe, E., & Wintermantel, E. (2015). An experimental study into the effects of bulk and flow behaviour of laser sintering polymer powders on resulting part properties. Journal of Materials Processing Technology, 215, https://doi.org/10.1016/j.jmatprotec.2014.07.029

The properties of parts manufactured by laser sintering (LS) are, amongst others, influenced by the packing and flow efficiencies of the powders being processed.

In particular, this study investigated the influence of the bulk and flow characteris... Read More about An experimental study into the effects of bulk and flow behaviour of laser sintering polymer powders on resulting part properties.