All Outputs (82)

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.

Microstructural evolution in laser melted boron alloyed Ti-6Al-4V (2024)
Journal Article
Hizli, H., Zou, Z., Murray, J., Clare, A., & Simonelli, M. (2024). Microstructural evolution in laser melted boron alloyed Ti-6Al-4V. Journal of Alloys and Compounds, 981, Article 173762

Grain refinement in cast titanium alloys has been demonstrated through the addition of boron (B) in hypoeutectic concentration. However, there is still a poor understanding of how effective B is towards microstructural refinement under rapid solidifi... Read More about Microstructural evolution in laser melted boron alloyed Ti-6Al-4V.

Phase change surfaces with porous metallic structures for long-term anti/de-icing application (2024)
Journal Article
Yang, D., Bao, R., Clare, A. T., Choi, K., & Hou, X. (2024). Phase change surfaces with porous metallic structures for long-term anti/de-icing application. Journal of Colloid and Interface Science, 660, 136-146. https://doi.org/10.1016/j.jcis.2024.01.091

Hypothesis Ice mitigation has received increasing attention due to the severe safety and economic threats of icing hazards to modern industries. Slippery icephobic surface is a potential ice mitigation approach due to its ultra-low ice adhesion stre... Read More about Phase change surfaces with porous metallic structures for long-term anti/de-icing application.

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 the in-situ formation of intermetallic phases in the self-lubricating Al-WS2 composite for enhanced tribological performance with wear track evolution analysis (2023)
Journal Article
Li, P., Aboulkhair, N. T., Wu, J., Leng, K. L., Yang, D., Clare, A. T., …Xu, F. (2023). Tailoring the in-situ formation of intermetallic phases in the self-lubricating Al-WS2 composite for enhanced tribological performance with wear track evolution analysis. Journal of Materials Research and Technology, 27, 4891-4907

Self-lubricating aluminium matrix composites with enhanced tribological properties are sought for weight critical applications. In previous studies, the Al composites incorporating the solid lubricant WS2 have been shown to reduce both the coefficien... Read More about Tailoring the in-situ formation of intermetallic phases in the self-lubricating Al-WS2 composite for enhanced tribological performance with wear track evolution analysis.

Facile manipulation of mechanical properties of Ti-6Al-4V through composition tailoring in laser powder bed fusion (2023)
Journal Article
Du, X., Simonelli, M., Murray, J. W., & Clare, A. T. (2023). Facile manipulation of mechanical properties of Ti-6Al-4V through composition tailoring in laser powder bed fusion. Journal of Alloys and Compounds, 941, Article 169022. https://doi.org/10.1016/j.jallcom.2023.169022

Ti-6Al-4 V alloy when processed by laser powder bed fusion (LPBF) is a useful material which can be used for the manufacture of complex 3D components for aerospace and medical applications. LPBF fabricated Ti-6Al-4 V typically shows high tensile stre... Read More about Facile manipulation of mechanical properties of Ti-6Al-4V through composition tailoring in laser powder bed fusion.

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.

Failure modes in dual layer thickness Laser Powder Bed Fusion components using a novel post-mortem reconstruction technique (2022)
Journal Article
Gullane, A., Murray, J. W., Hyde, C. J., Sankare, S., Evirgen, A., & Clare, A. T. (2022). Failure modes in dual layer thickness Laser Powder Bed Fusion components using a novel post-mortem reconstruction technique. Additive Manufacturing, 59(Part B), Article 103186. https://doi.org/10.1016/j.addma.2022.103186

To exploit the design freedoms of Powder Bed Fusion, parameters can be varied within sub-volumes of components to achieve the optimal part for both service conditions and manufacturing productivity. This involves prioritising mechanical strength in a... Read More about Failure modes in dual layer thickness Laser Powder Bed Fusion components using a novel post-mortem reconstruction technique.

Electrolytic-dielectrics: A route to zero recast electrical discharge machining (2022)
Journal Article
Ahmed, S., Speidel, A., Murray, J. W., Ahmed, N., Cuttell, M., & Clare, A. T. (2022). Electrolytic-dielectrics: A route to zero recast electrical discharge machining. International Journal of Machine Tools and Manufacture, 181, Article 103941. https://doi.org/10.1016/j.ijmachtools.2022.103941

Electrical discharge machining (EDM) is a widely used manufacturing process for machining hard or high melting point metals. A characteristic feature of this process is a brittle, porous and rough recast layer on machined surfaces, which undermines i... Read More about Electrolytic-dielectrics: A route to zero recast electrical discharge machining.

Hydrophobically/oleophilically guarded powder metallurgical structures and liquid impregnation for ice mitigation (2022)
Journal Article
Yang, D., Bao, R., Choi, K. S., Clare, A. T., & Hou, X. (2022). Hydrophobically/oleophilically guarded powder metallurgical structures and liquid impregnation for ice mitigation. Chemical Engineering Journal, 446, Article 137115. https://doi.org/10.1016/j.cej.2022.137115

Icing hazards often pose operational and safety challenges. Various surface and coating approaches have been attempted for ice mitigation purposes, but the durability remains an outstanding issue. Inspired by traditional powder metallurgy and slipper... Read More about Hydrophobically/oleophilically guarded powder metallurgical structures and liquid impregnation for ice mitigation.

Stochastic design for additive manufacture of true biomimetic populations (2022)
Journal Article
Groth, J., Magnini, M., Tuck, C., & Clare, A. (2022). Stochastic design for additive manufacture of true biomimetic populations. Additive Manufacturing, 55, Article 102739. https://doi.org/10.1016/j.addma.2022.102739

Current biomimetic designs do not incorporate naturally occurring variance. Instead, the same unit cell is repeatedly copied and pasted to create a pattern. Existing stochastic designs use the same randomness for all parameters. However, nature teach... Read More about Stochastic design for additive manufacture of true biomimetic populations.

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.

Metallurgical reactions and tribological properties of self-lubricating Al-WS2 composites: Laser powder bed fusion Vs. spark plasma sintering (2022)
Journal Article
Li, P., Xu, F., Robertson, S., Zhou, Z., Hou, X., Clare, A. T., & Aboulkhair, N. T. (2022). Metallurgical reactions and tribological properties of self-lubricating Al-WS2 composites: Laser powder bed fusion Vs. spark plasma sintering. Materials and Design, 216, Article 110543. https://doi.org/10.1016/j.matdes.2022.110543

Self-lubricating aluminium-based composites reinforced with solid lubricants promise to meet the demand for lightweight materials in green tribological applications. The design advantages granted by additive manufacturing (AM) processes coupled with... Read More about Metallurgical reactions and tribological properties of self-lubricating Al-WS2 composites: Laser powder bed fusion Vs. spark plasma sintering.

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.

A dual material removal mechanism for clearing of obstructed holes via electrical discharge machining (2021)
Journal Article
Castro-Palacios, M., Ahmed, S., Ahmed, N., Murray, J. W., Speidel, A., Duffin, J., …Clare, A. T. (2022). A dual material removal mechanism for clearing of obstructed holes via electrical discharge machining. Manufacturing Letters, 31, 10-14. https://doi.org/10.1016/j.mfglet.2021.12.003

Cooling hole blockages in gas turbine blades can occur during operation, detrimentally reducing performance and resulting in premature removal from service. Here, electrical discharge machining (EDM) is used to unblock fine holes, which have been obs... Read More about A dual material removal mechanism for clearing of obstructed holes via electrical discharge machining.

Five simple tools for stochastic lattice creation (2021)
Journal Article
Groth, J. H., Anderson, C., Magnini, M., Tuck, C., & Clare, A. (2022). Five simple tools for stochastic lattice creation. Additive Manufacturing, 49, Article 102488. https://doi.org/10.1016/j.addma.2021.102488

Lattices are increasingly used in engineering applications. They can reduce weight in aircraft components, increase the efficiency of heat exchangers and are used as medical implants. Typically a regular and graded lattice, where the unit cells are i... Read More about Five simple tools for stochastic lattice creation.

On the use of multiple layer thicknesses within laser powder bed fusion and the effect on mechanical properties (2021)
Journal Article
Gullane, A., Murray, J. W., Hyde, C. J., Sankare, S., Evirgen, A., & Clare, A. T. (2021). On the use of multiple layer thicknesses within laser powder bed fusion and the effect on mechanical properties. Materials and Design, 212, Article 110256. https://doi.org/10.1016/j.matdes.2021.110256

Laser Powder Bed fusion is capable of rapid production of parts, from conception, compared with traditional manufacturing methods. This said, the time taken to fabricate a single part can still be significant – typically many hours. Processing thicke... Read More about On the use of multiple layer thicknesses within laser powder bed fusion and the effect on mechanical properties.

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.

Powder Bed Fusion of nickel-based superalloys: A review (2021)
Journal Article
Sanchez, S., Xu, Z., Smith, P., Gaspard, G., Hyde, C. J., Ashcroft, I. A., …Clare, A. T. (2021). Powder Bed Fusion of nickel-based superalloys: A review. International Journal of Machine Tools and Manufacture, 165, Article 103729. https://doi.org/10.1016/j.ijmachtools.2021.103729

Powder Bed Fusion (PBF) techniques constitute a family of Additive Manufacturing (AM) processes, which are characterised by high design flexibility and no tooling requirement. This makes PBF techniques attractive to many modern manufacturing sectors... Read More about Powder Bed Fusion of nickel-based superalloys: A review.

Interlaced layer thicknesses within single laser powder bed fusion geometries (2021)
Journal Article
Clare, A., Gullane, A., Hyde, C., Murray, J. W., Sankare, S., & Wits, W. W. (2021). Interlaced layer thicknesses within single laser powder bed fusion geometries. CIRP Annals - Manufacturing Technology, https://doi.org/10.1016/j.cirp.2021.03.001

The geometrical design freedoms associated with additive manufacturing techniques are currently well exploited and finding commercial application. The capability of layer-based processes to allow modification of composition and microstructure in proc... Read More about Interlaced layer thicknesses within single laser powder bed fusion geometries.