All Outputs (35)

Technique for Processing of Continuous Carbon Fibre Reinforced PEEK for Fused Filament Fabrication (2019)
Presentation / Conference Contribution
Pu, J., Saleh, E., Ashcroft, I., & Jones, A. (2019). Technique for Processing of Continuous Carbon Fibre Reinforced PEEK for Fused Filament Fabrication.

3D printing of light-weight and mechanically-strong structures facilitates several applications. 3D printing of continuous carbon fibre reinforced polyetheretherketone (PEEK) presents exciting possibilities as the high stiffness and strength of the h... Read More about Technique for Processing of Continuous Carbon Fibre Reinforced PEEK for Fused Filament Fabrication.

Geometrical effects on residual stress in selective laser melting (2018)
Journal Article
Parry, L., Ashcroft, I., & Wildman, R. (2019). Geometrical effects on residual stress in selective laser melting. Additive Manufacturing, 25, 166-175. https://doi.org/10.1016/j.addma.2018.09.026

Selective laser melting is an increasingly attractive technology for the manufacture of complex and low volume / high value metal parts. However, the inevitable residual stresses that are generated can lead to defects or build failure. Due to the com... Read More about Geometrical effects on residual stress in selective laser melting.

Electrical resistivity of additively manufactured AlSi10Mg for use in electric motors (2018)
Journal Article
Silbernagel, C., Ashcroft, I., Dickens, P., & Galea, M. (2018). Electrical resistivity of additively manufactured AlSi10Mg for use in electric motors. Additive Manufacturing, 21, https://doi.org/10.1016/j.addma.2018.03.027

Additive manufacturing (AM) opens up a design freedom beyond the limits of traditional manufacturing techniques. Electrical windings created through AM could lead to more powerful and compact electric motors, but only if the electrical properties of... Read More about Electrical resistivity of additively manufactured AlSi10Mg for use in electric motors.

3D reactive inkjet printing of polydimethylsiloxane (2017)
Journal Article
Sturgess, C., Tuck, C. J., Ashcroft, I. A., & Wildman, R. D. (2017). 3D reactive inkjet printing of polydimethylsiloxane. Journal of Materials Chemistry C, 5(37), 9733-9745. https://doi.org/10.1039/c7tc02412f

© 2017 The Royal Society of Chemistry. Material jetting is a process whereby liquid material can be deposited onto a substrate to solidify. Through a process of progressive additional layers, this deposition can then be used to produce 3D structures.... Read More about 3D reactive inkjet printing of polydimethylsiloxane.

Calorimetric study and microstructure analysis of the order-disorder phase transformation in silicon steel built by SLM (2017)
Journal Article
Lemke, J., Simonelli, M., Garibaldi, M., Ashcroft, I., Hague, R., Vedani, M., …Tuck, C. (2017). Calorimetric study and microstructure analysis of the order-disorder phase transformation in silicon steel built by SLM. Journal of Alloys and Compounds, 722, 293-301. https://doi.org/10.1016/j.jallcom.2017.06.085

Innovative Additive Manufacturing (AM) technologies like Selective Laser Melting (SLM) could prove to be efficient for the processing of brittle silicon steel (Fe-Si) with high silicon content. This research elucidates the effects of heat-treatment o... Read More about Calorimetric study and microstructure analysis of the order-disorder phase transformation in silicon steel built by SLM.

A novel approach to design lesion-specific stents for minimum recoil (2016)
Journal Article
Farhan Khan, M., Brackett, D., Ashcroft, I., Tuck, C., & Wildman, R. D. (in press). A novel approach to design lesion-specific stents for minimum recoil. Journal of Medical Devices, 11(1), Article 011001. https://doi.org/10.1115/1.4034880

Stent geometries are obtained by topology optimization for minimized compliance under different stenosis levels and plaque material types. Three levels of stenosis by cross-sectional area, i.e., 30%, 40%, and 50% and three different plaque material p... Read More about A novel approach to design lesion-specific stents for minimum recoil.

A combined inverse finite element – elastoplastic modelling method to simulate the size-effect in nanoindentation and characterise materials from the nano to micro-scale (2016)
Journal Article
Chen, X., Ashcroft, I., Wildman, R. D., & Tuck, C. (2017). A combined inverse finite element – elastoplastic modelling method to simulate the size-effect in nanoindentation and characterise materials from the nano to micro-scale. International Journal of Solids and Structures, 104-105, 25-34. https://doi.org/10.1016/j.ijsolstr.2016.11.004

Material properties such as hardness can be dependent on the size of the indentation load when that load is small, a phenomenon known as the indentation size effect (ISE). In this work an inverse finite element method (IFEM) is used to investigate th... Read More about A combined inverse finite element – elastoplastic modelling method to simulate the size-effect in nanoindentation and characterise materials from the nano to micro-scale.

Understanding the effect of laser scan strategy on residual stress in selective laser melting through thermo-mechanical simulation (2016)
Journal Article
Parry, L., Ashcroft, I., & Wildman, R. D. (2016). Understanding the effect of laser scan strategy on residual stress in selective laser melting through thermo-mechanical simulation. Additive Manufacturing, 12(A), https://doi.org/10.1016/j.addma.2016.05.014

Selective laser melting (SLM) is an attractive technology, enabling the manufacture of customised, complex metallic designs, with minimal wastage. However, uptake by industry is currently impeded by several technical barriers, such as the control of... Read More about Understanding the effect of laser scan strategy on residual stress in selective laser melting through thermo-mechanical simulation.

Metallurgy of high-silicon steel parts produced using selective laser melting (2016)
Journal Article
Garibaldi, M., Ashcroft, I., Simonelli, M., & Hague, R. (2016). Metallurgy of high-silicon steel parts produced using selective laser melting. Acta Materialia, 110, https://doi.org/10.1016/j.actamat.2016.03.037

The metallurgy of high-silicon steel (6.9%wt.Si) processed using Selective Laser Melting (SLM) is presented for the first time in this study. High-silicon steel has great potential as a soft magnetic alloy, but its employment has been limited due to... Read More about Metallurgy of high-silicon steel parts produced using selective laser melting.

The thermo-mechanical degradation of ethylene vinyl acetate used as a solar panel adhesive and encapsulant (2016)
Journal Article
Badiee, A., Ashcroft, I., & Wildman, R. D. (2016). The thermo-mechanical degradation of ethylene vinyl acetate used as a solar panel adhesive and encapsulant. International Journal of Adhesion and Adhesives, 68, 212-218. https://doi.org/10.1016/j.ijadhadh.2016.03.008

© 2016 The Authors. Published by Elsevier Ltd. The thermal ageing of an ethylene-vinyl acetate (EVA) polymer used as an adhesive and encapsulant in a photovoltaic module has been investigated. The EVA is used to bond the silicon solar cells to the fr... Read More about The thermo-mechanical degradation of ethylene vinyl acetate used as a solar panel adhesive and encapsulant.

Surface microstructuring to modify wettability for 3D printing of nano-filled inks (2016)
Journal Article
Vafaei, S., Tuck, C., Ashcroft, I., & Wildman, R. D. (2016). Surface microstructuring to modify wettability for 3D printing of nano-filled inks. Chemical Engineering Research and Design, 109, https://doi.org/10.1016/j.cherd.2016.02.004

This paper investigates the effect of surface wettability on the cross-sectional profiles of printed nanofluid inks which can have a significant role on conductivity of printed lines that are used in the production of printed electronics. Glass subst... Read More about Surface microstructuring to modify wettability for 3D printing of nano-filled inks.

Shape complexity and process energy consumption in electron beam melting: a case of something for nothing in additive manufacturing? (2016)
Journal Article
Baumers, M., Tuck, C., Wildman, R. D., Ashcroft, I., & Hague, R. J. (in press). Shape complexity and process energy consumption in electron beam melting: a case of something for nothing in additive manufacturing?. Journal of Industrial Ecology, https://doi.org/10.1111/jiec.12397

Additive manufacturing (AM) technology is capable of building up component geometry in a layer-by-layer process, entirely without tools, molds, or dies. One advantage of the approach is that it is capable of efficiently creating complex product geome... Read More about Shape complexity and process energy consumption in electron beam melting: a case of something for nothing in additive manufacturing?.

Quantification and characterisation of porosity in selectively laser melted Al–Si10–Mg using x-ray computed tomography (2016)
Journal Article
Maskery, I., Aboulkhair, N., Corfield, M., Tuck, C., Clare, A., Leach, R. K., …Hague, R. J. (2016). Quantification and characterisation of porosity in selectively laser melted Al–Si10–Mg using x-ray computed tomography. Materials Characterization, 111, https://doi.org/10.1016/j.matchar.2015.12.001

We used X-ray computed tomography (CT), microscopy and hardness measurements to study Al–Si10–Mg produced by selective laser melting (SLM). Specimens were subject to a series of heat treatments including annealing and precipitation hardening. The spe... Read More about Quantification and characterisation of porosity in selectively laser melted Al–Si10–Mg using x-ray computed tomography.

A Study on the Laser Spatter and the Oxidation Reactions During Selective Laser Melting of 316L Stainless Steel, Al-Si10-Mg, and Ti-6Al-4V (2015)
Journal Article
Hague, R., Tuck, C., Simonelli, M., Tuck, C., Aboulkhair, N. T., Maskery, I., …Hague, R. J. (2015). A Study on the Laser Spatter and the Oxidation Reactions During Selective Laser Melting of 316L Stainless Steel, Al-Si10-Mg, and Ti-6Al-4V. Metallurgical and Materials Transactions A, 46(9), 3842-3851. https://doi.org/10.1007/s11661-015-2882-8

The creation of an object by selective laser melting (SLM) occurs by melting contiguous areas of a powder bed according to a corresponding digital model. It is therefore clear that the success of this metal Additive Manufacturing (AM) technology reli... Read More about A Study on the Laser Spatter and the Oxidation Reactions During Selective Laser Melting of 316L Stainless Steel, Al-Si10-Mg, and Ti-6Al-4V.

Modelling damage and failure in adhesive joints using a combined XFEM-cohesive element methodology (2014)
Journal Article
Mubashar, A., Ashcroft, I., & Crocombe, A. D. (2014). Modelling damage and failure in adhesive joints using a combined XFEM-cohesive element methodology. Journal of Adhesion, 90(8), 682-697. https://doi.org/10.1080/00218464.2013.826580

In recent years, cohesive elements based on the cohesive zone model (CZM) have been increasingly used within finite element analyses of adhesively bonded joints to predict failure. The cohesive element approach has advantages over fracture mechanics... Read More about Modelling damage and failure in adhesive joints using a combined XFEM-cohesive element methodology.