All Outputs (33)

Thermoplastic composite injection-overmoulding with indirectly-loaded reinforcement: Design for manufacture (2024)
Journal Article
Parsons, A. J., Chen, S., Ryder, A., Bradley, D., Warrior, N. A., & Harper, L. T. (2024). Thermoplastic composite injection-overmoulding with indirectly-loaded reinforcement: Design for manufacture. Composite Structures, 337, Article 118056. https://doi.org/10.1016/j.compstruct.2024.118056

Thermoplastic Overmoulding is an emerging manufacturing method combining low-cost, high-rate injection moulding with continuous fibre composite elements. The combination of materials with dissimilar stiffnesses can create stress concentrations and wa... Read More about Thermoplastic composite injection-overmoulding with indirectly-loaded reinforcement: Design for manufacture.

Process parameter optimisation for manufacturing porous bioactive silicate glass microspheres via flame spheroidisation: The goldilocks effect (2023)
Journal Article
Islam, M. T., Parsons, A. J., Nuzulia, N. A., Sari, Y. W., Ren, H., Booth, J., & Ahmed, I. (2023). Process parameter optimisation for manufacturing porous bioactive silicate glass microspheres via flame spheroidisation: The goldilocks effect. Journal of Non-Crystalline Solids, 614, Article 122393. https://doi.org/10.1016/j.jnoncrysol.2023.122393

This study investigated the influence of flame spheroidisation process parameters for successfully manufacturing solid (dense) and highly porous microspheres from Food and Drug Administration approved bioactive 45S5 glass and 45S5 with addition of vi... Read More about Process parameter optimisation for manufacturing porous bioactive silicate glass microspheres via flame spheroidisation: The goldilocks effect.

Reinforcing fibres (2023)
Book Chapter
Parsons, A. (2023). Reinforcing fibres. In L. Harper, & M. Clifford (Eds.), Design and Manufacture of Structural Composites (19-34). Elsevier. https://doi.org/10.1016/B978-0-12-819160-6.00008-1

This chapter provides information on the type of reinforcing fibres commonly used in polymer composites. Inorganic and organic fibres are described along with general information on their manufacture, applications, and representative properties. Suit... Read More about Reinforcing fibres.

L-DOPA coating improved phosphate glass fibre strength and fibre/matrix interface (2022)
Journal Article
Tan, C., Rudd, C. D., Parsons, A. J., Sharmin, N., & Ahmed, I. (2022). L-DOPA coating improved phosphate glass fibre strength and fibre/matrix interface. Journal of the Mechanical Behavior of Biomedical Materials, 136, Article 105480. https://doi.org/10.1016/j.jmbbm.2022.105480

The levodopa (L-DOPA) has been reported as a promising adhesive for various materials. In this study, we utilized L-DOPA as an interfacial agent for phosphate glass fibre/polycaprolactone (PGF/PCL) composites, with the aim to enhance the interfacial... Read More about L-DOPA coating improved phosphate glass fibre strength and fibre/matrix interface.

Controlling mass loss from RTM6 epoxy resin under simulated vacuum infusion conditions (2022)
Journal Article
Parsons, A. J., Gonciaruk, A., Zeng, X., Thomann, F. S., Schubel, P., Lorrillard, J., & Johnson, M. S. (2022). Controlling mass loss from RTM6 epoxy resin under simulated vacuum infusion conditions. Polymer Testing, 107, Article 107473. https://doi.org/10.1016/j.polymertesting.2022.107473

A certified aerospace resin (RTM 6) normally utilised for resin transfer moulding is considered for vacuum infusion. The resin was subjected to simulated vacuum infusion conditions by using a specialised thermogravimetric analysis that enables contro... Read More about Controlling mass loss from RTM6 epoxy resin under simulated vacuum infusion conditions.

Characterisation of bone regeneration in 3D printed ductile PCL/PEG/hydroxyapatite scaffolds with high ceramic microparticle concentrations (2021)
Journal Article
Cao, C., Huang, P., Prasopthum, A., Parsons, A. J., Ai, F., & Yang, J. (2022). Characterisation of bone regeneration in 3D printed ductile PCL/PEG/hydroxyapatite scaffolds with high ceramic microparticle concentrations. Biomaterials Science, 10(1), 138-152. https://doi.org/10.1039/d1bm01645h

3D printed bioactive glass or bioceramic particle reinforced composite scaffolds for bone tissue engineering currently suffer from low particle concentration (100% breaking strain) by adding poly(ethylene glycol) which is biocompatible and FDA approv... Read More about Characterisation of bone regeneration in 3D printed ductile PCL/PEG/hydroxyapatite scaffolds with high ceramic microparticle concentrations.

Preparation and characterization of composites using blends of divinylbenzene-based hyperbranched and linear functionalized polymers (2021)
Journal Article
Kabir, S. F., Adlington, K., Parsons, A. J., Irvine, D. J., & Ahmed, I. (2021). Preparation and characterization of composites using blends of divinylbenzene-based hyperbranched and linear functionalized polymers. Polymers for Advanced Technologies, 32(8), 3333-3342. https://doi.org/10.1002/pat.5346

In this study, hyperbranched polymers were explored as matrix modifiers to create E-glass fiber (GF) reinforced polymer composites with enhanced mechanical properties. Hyperbranched polymers have lower viscosities than their linear equivalents, poten... Read More about Preparation and characterization of composites using blends of divinylbenzene-based hyperbranched and linear functionalized polymers.

Water resistant fibre/matrix interface in a degradable composite: Synergistic effects of heat treatment and polydopamine coating (2021)
Journal Article
Felfel, R. M., Parsons, A. J., Chen, M., Stuart, B. W., Wadge, M. D., & Grant, D. M. (2021). Water resistant fibre/matrix interface in a degradable composite: Synergistic effects of heat treatment and polydopamine coating. Composites Part A: Applied Science and Manufacturing, 146, Article 106415. https://doi.org/10.1016/j.compositesa.2021.106415

Retaining a robust fibre-matrix interface in an aqueous environment has been an enduring challenge for fibre-reinforced biocomposites. This study addresses the issue by applying a polydopamine coating as a coupling agent to annealed and non-annealed... Read More about Water resistant fibre/matrix interface in a degradable composite: Synergistic effects of heat treatment and polydopamine coating.

Improved phosphate‐based glass fiber performance achieved through acid etch/polydopamine treatment (2019)
Journal Article
Parsons, A. J., Felfel, R. M., Wadge, M. D., & Grant, D. M. (2020). Improved phosphate‐based glass fiber performance achieved through acid etch/polydopamine treatment. International Journal of Applied Glass Science, 11(1), 35-45. https://doi.org/10.1111/ijag.13672

Phosphate based glass fibres (PGF) are of interest as reinforcements for degradable implants, but have seen limited application due to their rapid loss of strength when subjected to aqueous conditions. Previous studies have utilised heat treatments t... Read More about Improved phosphate‐based glass fiber performance achieved through acid etch/polydopamine treatment.

Production and characterisation of novel phosphate glass fibre yarns, textiles, and textile composites for biomedical applications (2019)
Journal Article
Wang, Y., Liu, X., Zhu, C., Parsons, A., Liu, J., Huang, S., …Sharmin, N. (2019). Production and characterisation of novel phosphate glass fibre yarns, textiles, and textile composites for biomedical applications. Journal of the Mechanical Behavior of Biomedical Materials, 99, 47-55. https://doi.org/10.1016/j.jmbbm.2019.07.017

This work presents manufacturing, processing and characterisation of the phosphate glass fibre (PGF) products for biomedical applications, including multifilament PGF strands, yarns and textiles, and PGF textile composites. The multifilament producti... Read More about Production and characterisation of novel phosphate glass fibre yarns, textiles, and textile composites for biomedical applications.

The effect of MgO/TiO2 on structural and crystallization behavior of near invert phosphate-based glasses (2019)
Journal Article
Islam, M. T., Sharmin, N., Rance, G. A., Titman, J. J., Parsons, A. J., Hossain, K. M. Z., & Ahmed, I. (2020). The effect of MgO/TiO2 on structural and crystallization behavior of near invert phosphate-based glasses. Journal of Biomedical Materials Research Part B: Applied Biomaterials, 108(3), 674-686. https://doi.org/10.1002/jbm.b.34421

Varying formulations in the glass system of 40P2O5─(24 − x)MgO─(16 + x)CaO─(20 − y)Na2O─yTiO2 (where 0 ≤ x ≤ 22 and y = 0 or 1) were prepared via melt-quenching. The structure of the glasses was confirmed by X-ray diffraction (XRD), Fourier transform... Read More about The effect of MgO/TiO2 on structural and crystallization behavior of near invert phosphate-based glasses.

Ga and Ce ion-doped phosphate glass fibres with antibacterial properties and their composite for wound healing applications (2019)
Journal Article
Łapa, A., Cresswell, M., Campbell, I., Jackson, P., Goldmann, W. H., Detsch, R., …Boccaccini, A. R. (2019). Ga and Ce ion-doped phosphate glass fibres with antibacterial properties and their composite for wound healing applications. Journal of Materials Chemistry B, 7(44), 6981-6993. https://doi.org/10.1039/c9tb00820a

© 2019 The Royal Society of Chemistry. Novel gallium/cerium-doped phosphate glass fibres (PGF) were successfully manufactured by the melt-quenching and melt-spinning process. The amorphous character of the materials produced was confirmed using X-ray... Read More about Ga and Ce ion-doped phosphate glass fibres with antibacterial properties and their composite for wound healing applications.

Effects of ZnO addition on thermal properties, degradation and biocompatibility of P45Mg24Ca16Na(15−x)Znx glasses (2019)
Journal Article
Wang, Y., Zhu, C., Parsons, A., Rudd, C., Ahmed, I., & Sharmin, N. (2019). Effects of ZnO addition on thermal properties, degradation and biocompatibility of P45Mg24Ca16Na(15−x)Znx glasses. Biomedical Glasses, 5(1), 53-66. https://doi.org/10.1515/bglass-2019-0005

Four phosphate-based glass formulations in the system P45Mg24Ca16Na(15−x)Znx, referred to as P45Znx (x = 0, 5, 10 and 15 mol%), were prepared using a melt quenching process. The effect of ZnO addition on density, molar volume, thermal properties and... Read More about Effects of ZnO addition on thermal properties, degradation and biocompatibility of P45Mg24Ca16Na(15−x)Znx glasses.

Chitosan as a coupling agent for phosphate glass fibre/polycaprolactone composites (2018)
Journal Article
Tan, C., Rudd, C., Parsons, A. J., Sharmin, N., Zhang, J., Chen, W., & Ahmed, I. (2018). Chitosan as a coupling agent for phosphate glass fibre/polycaprolactone composites. Fibers, 6(4), https://doi.org/10.3390/fib6040097

This study shows that chitosan (CS) could be highly useful as a coupling agent in phosphate glass fibre/polycaprolactone (PGF/PCL) composites, as it improved the interfacial shear strength by up to 78%. PGFs of composition 45P2O5-5B2O3-5Na2O-24CaO-10... Read More about Chitosan as a coupling agent for phosphate glass fibre/polycaprolactone composites.

The mechanical property, degradation and cytocompatibility analysis of novel phosphate glass fiber textiles (2018)
Journal Article
Zhu, C., Ahmed, I., Parsons, A., Liu, J., & Liu, X. (2019). The mechanical property, degradation and cytocompatibility analysis of novel phosphate glass fiber textiles. Textile Research Journal, 89(16), 3280-3290. https://doi.org/10.1177/0040517518809052

© The Author(s) 2018. Phosphate glass fibers have been widely considered as potential biomedical materials for orthopedical application due to their full degradability and excellent cytocompatibility. In this study, phosphate-based glass fibers were... Read More about The mechanical property, degradation and cytocompatibility analysis of novel phosphate glass fiber textiles.

Novel bioresorbable textile composites for medical applications (2018)
Conference Proceeding
Zhu, C., Ahmed, I., Parsons, A. J., Wang, Y., Tan, C., Liu, J., …Liu, X. (2018). Novel bioresorbable textile composites for medical applications. In N/A

Currently, phosphate glass fibre (PGF) reinforced composites are a potential solution for bone repairing due to sufficient mechanical properties and full bioresorbability. In this study, a small inkle-type loom for hand weaving facilitated the produc... Read More about Novel bioresorbable textile composites for medical applications.

Effects of Fe2O3 addition and annealing on the mechanical and dissolution properties of MgO- and CaO-containing phosphate glass fibres for bio-applications (2018)
Journal Article
Tan, C., Ahmed, I., Parsons, A. J., Zhu, C., Betanzos, F. B., & Liu, X. (2018). Effects of Fe2O3 addition and annealing on the mechanical and dissolution properties of MgO- and CaO-containing phosphate glass fibres for bio-applications. Biomedical Glasses, 4(1), https://doi.org/10.1515/bglass-2018-0006

This paper investigated the preparation of phosphate glass fibres (PGFs) in the following systems: i) 45P2O5-5B2O3-5Na2O-(29-x)CaO-16MgO-(x)Fe2O3and ii) 45P2O5-5B2O3-5Na2O-24CaO-(21-x)MgO-(x)Fe2O3(where x = 5, 8 and 11 mol%) for biomedical applicatio... Read More about Effects of Fe2O3 addition and annealing on the mechanical and dissolution properties of MgO- and CaO-containing phosphate glass fibres for bio-applications.

Processing and properties of PLA-HA nanocomposites: The effect of particle morphology and dispersants (2017)
Conference Proceeding
Tomczynska, M. M., Ward, M., Choong, G. Y. H., Walton, K., De Focatiis, D. S. A., Grant, D. M., …Parsons, A. J. (2017). Processing and properties of PLA-HA nanocomposites: The effect of particle morphology and dispersants. In Proceedings of PPS-32: The 32nd International Conference of the Polymer Processing Society - Conference Papers (150004-1 - 150004-5). https://doi.org/10.1063/1.5016781

Biodegradable polylactic acid nanocomposites for orthopaedic implants require optimum particle dispersion and high molecular weight in load bearing applications. Novel coated hydroxyapatite nanoparticles can offer new opportunities for enhanced dispe... Read More about Processing and properties of PLA-HA nanocomposites: The effect of particle morphology and dispersants.

Novel bioresorbable phosphate glass fiber textile composites for medical applications (2017)
Journal Article
Zhu, C., Ahmed, I., Parsons, A. J., Wang, Y., Tan, C., Liu, J., …Liu, X. (2018). Novel bioresorbable phosphate glass fiber textile composites for medical applications. Polymer Composites, 39(S1), E140-E151. https://doi.org/10.1002/pc.24499

A manual bench-top inkle-type loom was designed to enable hand woven textiles. These PGF textiles, along with unidirectional (UD) fiber mats made from the same batch of yarns, were utilized to manufacture fully resorbable textile composites (T-C), un... Read More about Novel bioresorbable phosphate glass fiber textile composites for medical applications.

Wet and dry flexural high cycle fatigue behaviour of fully bioresorbable glass fibre composites: In-situ polymerisation versus laminate stacking (2017)
Journal Article
Chen, M., Lu, J., Felfel, R. M., Parsons, A. J., Irvine, D. J., Rudd, C. D., & Ahmed, I. (2017). Wet and dry flexural high cycle fatigue behaviour of fully bioresorbable glass fibre composites: In-situ polymerisation versus laminate stacking. Composites Science and Technology, 150, 1-15. https://doi.org/10.1016/j.compscitech.2017.07.006

Fully bioresorbable phosphate based glass fibre reinforced polycaprolactone (PCL/PGF) composites are potentially excellent candidates to address current issues experienced with use of metal implants for hard tissue repair, such as stress shielding ef... Read More about Wet and dry flexural high cycle fatigue behaviour of fully bioresorbable glass fibre composites: In-situ polymerisation versus laminate stacking.