All Outputs (7)

From scrap metal to highly efficient electrodes: harnessing the nanotextured surface of swarf for effective utilisation of Pt and Co for hydrogen production (2024)
Journal Article
Thangamuthu, M., Kohlrausch, E. C., Li, M., Speidel, A., Clare, A. T., Plummer, R., Geary, P., Murray, J. W., Khlobystov, A. N., & Alves Fernandes, J. (2024). From scrap metal to highly efficient electrodes: harnessing the nanotextured surface of swarf for effective utilisation of Pt and Co for hydrogen production. Journal of Materials Chemistry A, 12(25), 15137-15144. https://doi.org/10.1039/d4ta00711e

Hydrogen is considered to be the key element to achieving climate neutrality, leading to a massive demand for electrocatalysts. This work explores the transformation of metal waste into active and stable electrode materials for water splitting by mod... Read More about From scrap metal to highly efficient electrodes: harnessing the nanotextured surface of swarf for effective utilisation of Pt and Co for hydrogen production.

Driving next generation manufacturing through advanced metals characterisation capability (2024)
Journal Article
Clare, A., Seita, M., Speidel, A., Collins, P., & Clark, M. (2024). Driving next generation manufacturing through advanced metals characterisation capability. Scripta Materialia, 246, Article 116009. https://doi.org/10.1016/j.scriptamat.2024.116009

Understanding the effects of manufacturing methods upon materials has driven constant innovation for over 300 years. While our ability to fabricate metallurgical wonders extends into the annals of history our ability to understand the scientific prin... Read More about Driving next generation manufacturing through advanced metals characterisation capability.

Ambient grain orientation imaging on complex surfaces (2023)
Journal Article
Speidel, A., Bisterov, I., Ahmed, S., & Clare, A. T. (2024). Ambient grain orientation imaging on complex surfaces. Acta Materialia, 265, Article 119604. https://doi.org/10.1016/j.actamat.2023.119604

Crystal orientation imaging is generally confined to the laboratory, typically following destructive sectioning, with most current techniques reliant on electron-material interactions that require a vacuum. This information is gathered in a manner th... Read More about Ambient grain orientation imaging on complex surfaces.

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.

Direct Writing Unclonable Watermarks with an Electrochemical Jet (2022)
Journal Article
Speidel, A., Bisterov, I., & Clare, A. T. (2022). Direct Writing Unclonable Watermarks with an Electrochemical Jet. Advanced Functional Materials, 32(51), Article 2208116. https://doi.org/10.1002/adfm.202208116

Counterfeit parts result in significant losses per annum and are often dangerous, therefore they represent a serious concern for manufacturers and end users alike. Easily written but unclonable watermarks undermine the proposition of the counterfeite... Read More about Direct Writing Unclonable Watermarks with an Electrochemical Jet.

Chemical recovery of spent copper powder in laser powder bed fusion (2022)
Journal Article
Speidel, A., Gargalis, L., Ye, J., Matthews, M. J., Spierings, A., Hague, R., …Murray, J. W. (2022). Chemical recovery of spent copper powder in laser powder bed fusion. Additive Manufacturing, 52, Article 102711. https://doi.org/10.1016/j.addma.2022.102711

In laser powder bed fusion (LPBF), recovered unfused powder from the powder bed often degrades upon sequential processing through mechanisms like thermal oxidation and particle satelliting from ejected weld spatters and particle-laser interactions. G... Read More about Chemical recovery of spent copper powder in laser powder bed fusion.

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.