All Outputs (17)

Self-assembled titanium-based macrostructures with hierarchical (macro-, micro-, and nano) porosities: A fundamental study (2024)
Journal Article
Wadge, M. D., Agyakwa, P. A., Felfel, R. M., Homer, R., Cooper, T. P., Kudrynskyi, Z. R., …Grant, D. M. (2024). Self-assembled titanium-based macrostructures with hierarchical (macro-, micro-, and nano) porosities: A fundamental study. Materials and Design, 240, Article 112835. https://doi.org/10.1016/j.matdes.2024.112835

This study details the novel self-assembly of sodium titanate converted Ti-based microspheres into hierarchical porous 3D constructs, with macro-, micro-, and nanoporosity, for the first time. Ti6Al4V microspheres were suspended into 5 M NaOH (60 °C/... Read More about Self-assembled titanium-based macrostructures with hierarchical (macro-, micro-, and nano) porosities: A fundamental study.

Stoichiometry and annealing condition on hydrogen capacity of TiCr2-x AB2 alloys (2023)
Journal Article
McGrath, A. J., Wadge, M. D., Adams, M., Manickam, K., Ling, S., Walker, G. S., & Grant, D. M. (2024). Stoichiometry and annealing condition on hydrogen capacity of TiCr2-x AB2 alloys. International Journal of Hydrogen Energy, 53, 582-591. https://doi.org/10.1016/j.ijhydene.2023.12.062

This study presents the effect of stoichiometry and annealing condition on Ti–Cr AB2-type hydrogen storage alloys. Prior to annealing the majority phase of the as-cast alloys was the C14 Laves phase, with separate Ti and Cr phases. Annealing treatmen... Read More about Stoichiometry and annealing condition on hydrogen capacity of TiCr2-x AB2 alloys.

Towards Pareto optimal high entropy hydrides via data-driven materials discovery (2023)
Journal Article
Witman, M. D., Ling, S., Wadge, M., Bouzidi, A., Pineda-Romero, N., Clulow, R., …Stavila, V. (2023). Towards Pareto optimal high entropy hydrides via data-driven materials discovery. Journal of Materials Chemistry A, 11(29), 15878-15888. https://doi.org/10.1039/d3ta02323k

The ability to rapidly screen material performance in the vast space of high entropy alloys is of critical importance to efficiently identify optimal hydride candidates for various use cases. Given the prohibitive complexity of first principles simul... Read More about Towards Pareto optimal high entropy hydrides via data-driven materials discovery.

Rapid synthesis of magnetic microspheres and the development of new macro-micro hierarchically porous magnetic framework composites (2023)
Journal Article
Woodliffe, J. L., Molinar-Díaz, J., Islam, M. T., Stevens, L. A., Wadge, M. D., Rance, G. A., …Laybourn, A. (2023). Rapid synthesis of magnetic microspheres and the development of new macro-micro hierarchically porous magnetic framework composites. Journal of Materials Chemistry A, 11(27), 14705-14719. https://doi.org/10.1039/D3TA01927F

Magnetic framework composites (MFCs) are a highly interesting group of materials that contain both metal–organic frameworks (MOFs) and magnetic materials. Combining the unique benefits of MOFs (tuneable natures, high surface areas) with the advantage... Read More about Rapid synthesis of magnetic microspheres and the development of new macro-micro hierarchically porous magnetic framework composites.

Tailoring absorptivity of highly reflective Ag powders by pulsed-direct current magnetron sputtering for additive manufacturing processes (2023)
Journal Article
Wadge, M. D., Lowther, M., Cooper, T. P., Reynolds, W. J., Speidel, A., Carter, L. N., …Cox, S. C. (2023). Tailoring absorptivity of highly reflective Ag powders by pulsed-direct current magnetron sputtering for additive manufacturing processes. Journal of Materials Processing Technology, 317, Article 117985. https://doi.org/10.1016/j.jmatprotec.2023.117985

Processing of highly reflective and high thermally conductive materials (Cu, Ag, etc.) by laser powder bed fusion (LPBF) is of increasing interest to broaden the range of materials that can be additively manufactured. However, these alloys are challe... Read More about Tailoring absorptivity of highly reflective Ag powders by pulsed-direct current magnetron sputtering for additive manufacturing processes.

Developing alkaline titanate surfaces for medical applications (2023)
Journal Article
Wadge, M. D., McGuire, J., Thomas, K. G., Stuart, B. W., Felfel, R. M., Ahmed, I., & Grant, D. M. (in press). Developing alkaline titanate surfaces for medical applications. International Materials Reviews, Article 2153217. https://doi.org/10.1080/09506608.2022.2153217

Improving the surface of medical implants by plasma spraying of a hydroxyapatite coating can be of critical importance to their longevity and the patient’s convalescence. However, residual stresses, cracking, undesired crystallisation and delaminatio... Read More about Developing alkaline titanate surfaces for medical applications.

Nanostructured, Alkaline Titanate‐Converted, and Heat‐Treated Ti6Al4V Microspheres via Wet‐Chemical Alkaline Modification and their ORR Electrocatalytic Response (2022)
Journal Article
Wadge, M. D., Bird, M. A., Sankowski, A., Constantin, H., Fay, M. W., Cooper, T. P., …Grant, D. M. (2023). Nanostructured, Alkaline Titanate‐Converted, and Heat‐Treated Ti6Al4V Microspheres via Wet‐Chemical Alkaline Modification and their ORR Electrocatalytic Response. Advanced Materials Interfaces, 10(5), Article 2201523. https://doi.org/10.1002/admi.202201523

This study describes the chemical conversion and heat treatment of Ti6Al4V microspheres (Ti6_MS), and the resulting effects on their electrocatalytic properties. The wet-chemical conversion (5.0m NaOH, 60°C, 24h; Sample label: Ti6_TC) converts the to... Read More about Nanostructured, Alkaline Titanate‐Converted, and Heat‐Treated Ti6Al4V Microspheres via Wet‐Chemical Alkaline Modification and their ORR Electrocatalytic Response.

Hydrogen-Induced Conversion of SnS2 into SnS or Sn: A Route to Create SnS2/SnS Heterostructures (2022)
Journal Article
Patanè, A., Felton, J., Blundo, E., Kudrynskyi, Z., Ling, S., Bradford, J., …Patane, A. (2022). Hydrogen-Induced Conversion of SnS2 into SnS or Sn: A Route to Create SnS2/SnS Heterostructures. Small, 18(33), Article 2202661. https://doi.org/10.1002/smll.202202661

The family of van der Waals (vdW) materials is large and diverse with applications ranging from electronics and optoelectronics to catalysis and chemical storage. However, despite intensive research, there remains significant knowledge-gaps pertainin... Read More about Hydrogen-Induced Conversion of SnS2 into SnS or Sn: A Route to Create SnS2/SnS Heterostructures.

Characterization of potential nanoporous sodium titanate film formation on Ti6Al4V and TiO2 microspherical substrates via wet-chemical alkaline conversion (2022)
Journal Article
Wadge, M. D., Carrington, M. J., Constantin, H., Orange, K., Greaves, J., Islam, M. T., …Grant, D. M. (2022). Characterization of potential nanoporous sodium titanate film formation on Ti6Al4V and TiO2 microspherical substrates via wet-chemical alkaline conversion. Materials Characterization, 185, Article 111760. https://doi.org/10.1016/j.matchar.2022.111760

The authors present novel insights into the formation of nanoporous, wet-chemically produced sodium titanate films onto microspherical substrates of varying composition. Microspheres of Ti6Al4V (atomised; ca. 20–50 μm), which were utilised due to the... Read More about Characterization of potential nanoporous sodium titanate film formation on Ti6Al4V and TiO2 microspherical substrates via wet-chemical alkaline conversion.

The interaction of volatile metal coatings during the laser powder bed fusion of copper (2021)
Journal Article
Speidel, A., Wadge, M. D., Gargalis, L., Cooper, T. P., Reynolds, W., Grant, D., …Murray, J. W. (2022). The interaction of volatile metal coatings during the laser powder bed fusion of copper. Journal of Materials Processing Technology, 299, Article 117332. https://doi.org/10.1016/j.jmatprotec.2021.117332

The high optical reflectance of Cu at near-infrared wavelengths narrows the process window to fabricate Cu parts by laser powder bed fusion (LPBF). Coating powders with optically absorptive materials has been investigated to improve processability an... Read More about The interaction of volatile metal coatings during the laser powder bed fusion of copper.

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.

Tailoring the degradation rate of magnesium through biomedical nano-porous titanate coatings (2020)
Journal Article
Wadge, M. D., McGuire, J., Hanby, B. V., Felfel, R. M., Ahmed, I., & Grant, D. M. (2021). Tailoring the degradation rate of magnesium through biomedical nano-porous titanate coatings. Journal of Magnesium and Alloys, 9(1), 336-350. https://doi.org/10.1016/j.jma.2020.07.001

A novel approach was developed to reduce the corrosion rate of magnesium (Mg) metal, utilising titanate coatings. Magnetron sputtering was used to deposit ca. 500 nm titanium (Ti) coatings onto pure Mg discs, followed by hydrothermal conversion and i... Read More about Tailoring the degradation rate of magnesium through biomedical nano-porous titanate coatings.

Production of High Silicon-Doped Hydroxyapatite Thin Film Coatings via Magnetron Sputtering: Deposition, Characterisation, and In Vitro Biocompatibility (2020)
Journal Article
Coe, S. C., Wadge, M. D., Felfel, R. M., Ahmed, I., Walker, G. S., Scotchford, C. A., & Grant, D. M. (2020). Production of High Silicon-Doped Hydroxyapatite Thin Film Coatings via Magnetron Sputtering: Deposition, Characterisation, and In Vitro Biocompatibility. Coatings, 10(2), Article 190. https://doi.org/10.3390/coatings10020190

In recent years, it has been found that small weight percent additions of silicon to HA can be used to enhance the initial response between bone tissue and HA. A large amount of research has been concerned with bulk materials, however, only recently... Read More about Production of High Silicon-Doped Hydroxyapatite Thin Film Coatings via Magnetron Sputtering: Deposition, Characterisation, and In Vitro Biocompatibility.

Developing highly nanoporous titanate structures via wet chemical conversion of DC magnetron sputtered titanium thin films (2020)
Journal Article
Wadge, M. D., Turgut, B., Murray, J. W., Stuart, B. W., Felfel, R. M., Ahmed, I., & Grant, D. M. (2020). Developing highly nanoporous titanate structures via wet chemical conversion of DC magnetron sputtered titanium thin films. Journal of Colloid and Interface Science, 566, 271-283. https://doi.org/10.1016/j.jcis.2020.01.073

© 2020 The Authors Titanate structures have been widely investigated as biomedical component surfaces due to their bioactive, osteoinductive and antibacterial properties. However, these surfaces are limited to Ti and its alloys, due to the nature of... Read More about Developing highly nanoporous titanate structures via wet chemical conversion of DC magnetron sputtered titanium thin films.

Thermal and crystallization kinetics of yttrium-doped phosphate-based glasses (2019)
Journal Article
Arafat, A., Samad, S. A., Wadge, M. D., Islam, M. T., Lewis, A. L., Barney, E. R., & Ahmed, I. (2020). Thermal and crystallization kinetics of yttrium-doped phosphate-based glasses. International Journal of Applied Glass Science, 11(1), 120-133. https://doi.org/10.1111/ijag.14163

© 2019 The American Ceramic Society and Wiley Periodicals, Inc Yttrium-doped glasses have been utilized for biomedical applications such as radiotherapy, especially for liver cancer treatment. In this paper, the crystallization behavior of phosphate-... Read More about Thermal and crystallization kinetics of yttrium-doped phosphate-based glasses.

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.

Generation and characterisation of gallium titanate surfaces through hydrothermal ion-exchange processes (2018)
Journal Article
Wadge, M. D., Stuart, B. W., Thomas, K. G., & Grant, D. M. (2018). Generation and characterisation of gallium titanate surfaces through hydrothermal ion-exchange processes. Materials and Design, 155, https://doi.org/10.1016/j.matdes.2018.05.060

Infection negation and biofilm prevention are necessary developments needed for implant materials. Furthermore, an increase in publications regarding gallium (Ga) as an antimicrobial ion has resulted in bacterial-inhibitory surfaces incorporating gal... Read More about Generation and characterisation of gallium titanate surfaces through hydrothermal ion-exchange processes.