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Design optimization for an additively manufactured automotive component (2018)
Journal Article
Abdi, M., Ashcroft, I., & Wildman, R. D. (2018). Design optimization for an additively manufactured automotive component. International Journal of Powertrains, 7(1-3), https://doi.org/10.1504/IJPT.2018.090371

The aim of this paper is to investigate the design optimization and additive manufacture of automotive components. A Titanium brake pedal processed through Selective Laser Melting (SLM) is considered as a test case. Different design optimisation tech... Read More about Design optimization for an additively manufactured automotive component.

Insights into the mechanical properties of several triplyperiodic minimal surface lattice structures made by polymeradditive manufacturing (2017)
Journal Article
Maskery, I., Sturm, L., Aremu, A., Panesar, A., Williams, C., Tuck, C., …Hague, R. J. (2018). Insights into the mechanical properties of several triplyperiodic minimal surface lattice structures made by polymeradditive manufacturing. Polymer, 152, 62-71. https://doi.org/10.1016/j.polymer.2017.11.049

Three-dimensional lattices have applications across a range of fields including structural lightweighting, impact absorption and biomedicine. In this work, lattices based on triply periodic minimal surfaces were produced by polymer additive manufactu... Read More about Insights into the mechanical properties of several triplyperiodic minimal surface lattice structures made by polymeradditive manufacturing.

3D inkjet printing of electronics using UV conversion (2017)
Journal Article
Saleh, E., Zhang, F., He, Y., Vaithilingam, J., Fernandez, J. L., Wildman, R. D., …Tuck, C. (2017). 3D inkjet printing of electronics using UV conversion. Advanced Materials Technologies, 2(10), Article 1700134. https://doi.org/10.1002/admt.201700134

The production of electronic circuits and devices is limited by current manufacturing methods that limit both the form and potentially the performance of these systems. Additive Manufacturing (AM) is a technology that has been shown to provide cross... Read More about 3D inkjet printing of electronics using UV conversion.

3D printing of tablets using inkjet with UV photoinitiation (2017)
Journal Article
Clark, E. A., Alexander, M. R., Irvine, D. J., Roberts, C. J., Wallace, M. J., Sharpe, S., …Wildman, R. D. (2017). 3D printing of tablets using inkjet with UV photoinitiation. International Journal of Pharmaceutics, 529(1-2), 523-530. https://doi.org/10.1016/j.ijpharm.2017.06.085

Additive manufacturing (AM) offers significant potential benefits in the field of drug delivery and pharmaceutical/medical device manufacture. Of AM processes, 3D inkjet printing enables precise deposition of a formulation, whilst offering the potent... Read More about 3D printing of tablets using inkjet with UV photoinitiation.

Multi-branched benzylidene ketone based photoinitiators for multiphoton fabrication (2017)
Journal Article
Zhang, F., Hu, Q., Castanon, A., He, Y., Liu, Y., Paul, B., …Wildman, R. D. (2017). Multi-branched benzylidene ketone based photoinitiators for multiphoton fabrication. Additive Manufacturing, 16, 206-212. https://doi.org/10.1016/j.addma.2017.06.008

In this article, we report the synthesis of a series of multi-branched benzylidene (BI) ketone-based photo-initiators for two-photon polymerisation based 3D printing/additive manufacturing. Resins prepared by the addition of 1 wt.% of these initiator... Read More about Multi-branched benzylidene ketone based photoinitiators for multiphoton fabrication.

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.

Design framework for multifunctional additive manufacturing: coupled optimization strategy for structures with embedded functional systems (2017)
Journal Article
Panesar, A., Ashcroft, I., Brackett, D., Wildman, R. D., & Hague, R. (2017). Design framework for multifunctional additive manufacturing: coupled optimization strategy for structures with embedded functional systems. Additive Manufacturing, 16, https://doi.org/10.1016/j.addma.2017.05.009

The driver for this research is the development of multi-material additive manufacturing processes that provide the potential for multi-functional parts to be manufactured in a single operation. In order to exploit the potential benefits of this emer... Read More about Design framework for multifunctional additive manufacturing: coupled optimization strategy for structures with embedded functional systems.

An investigation into the depth and time dependent behavior of UV cured 3D ink jet printed objects (2017)
Journal Article
Chen, X., Ashcroft, I., Tuck, C., He, Y., Hague, R. J., & Wildman, R. D. (2017). An investigation into the depth and time dependent behavior of UV cured 3D ink jet printed objects. Journal of Materials Research, 32(8), 1407-1420. https://doi.org/10.1557/jmr.2017.4

An ultra-violet (UV) curable ink jet 3D printed material was characterized by an inverse finite element modeling (IFEM) technique employing a nonlinear viscoelastic–viscoplastic (NVEVP) material constitutive model; this methodology was compared direc... Read More about An investigation into the depth and time dependent behavior of UV cured 3D ink jet printed objects.

Combined inkjet printing and infrared sintering of silver nanoparticles using a swathe-by-swathe and layer-by-layer approach for 3-dimensional structures (2017)
Journal Article
Vaithilingam, J., Simonelli, M., Saleh, E., Senin, N., Wildman, R. D., Hague, R. J. M., …Tuck, C. J. (2017). Combined inkjet printing and infrared sintering of silver nanoparticles using a swathe-by-swathe and layer-by-layer approach for 3-dimensional structures. ACS Applied Materials and Interfaces, 9(7), 6560-6570. https://doi.org/10.1021/acsami.6b14787

Despite the advancement of additive manufacturing (AM)/3-dimensional (3D) printing, single-step fabrication of multifunctional parts using AM is limited. With the view of enabling multifunctional AM (MFAM), in this study, sintering of metal nanoparti... Read More about Combined inkjet printing and infrared sintering of silver nanoparticles using a swathe-by-swathe and layer-by-layer approach for 3-dimensional structures.

Hierarchical remeshing strategies with mesh mapping for topology optimisation (2016)
Journal Article
Panesar, A., Brackett, D., Ashcroft, I., Wildman, R. D., & Hague, R. (2017). Hierarchical remeshing strategies with mesh mapping for topology optimisation. International Journal for Numerical Methods in Engineering, https://doi.org/10.1002/nme.5488

This work investigates the use of hierarchical mesh decomposition strategies for topology optimisation using bi-directional evolutionary structural optimisation algorithm. The proposed method uses a dual mesh system that decouples the design variable... Read More about Hierarchical remeshing strategies with mesh mapping for topology optimisation.

A voxel-based method of constructing and skinning conformal and functionally graded lattice structures suitable for additive manufacturing (2016)
Journal Article
Aremu, A., Brennan-Craddock, J., Panesar, A., Ashcroft, I., Hague, R. J., Wildman, R. D., & Tuck, C. (in press). A voxel-based method of constructing and skinning conformal and functionally graded lattice structures suitable for additive manufacturing. Additive Manufacturing, 13, https://doi.org/10.1016/j.addma.2016.10.006

Additive Manufacturing (AM) enables the production of geometrically complex parts that are difficult to manufacture by other means. However, conventional CAD systems are limited in the representation of such parts. This issue is exacerbated when latt... Read More about A voxel-based method of constructing and skinning conformal and functionally graded lattice structures suitable for additive manufacturing.

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.

3D inkjet-printed UV-curable inks for multi-functional electromagnetic applications (2016)
Journal Article
Saleh, E., Woolliams, P., Clarke, B., Gregory, A., Greedy, S., Smartt, C., …Tuck, C. (2017). 3D inkjet-printed UV-curable inks for multi-functional electromagnetic applications. Additive Manufacturing, 13, 143-148. https://doi.org/10.1016/j.addma.2016.10.002

Inkjet printing of multiple materials is usually processed in multiple steps due to various jetting and curing/sintering conditions. In this paper we report on the development of all inkjet-printed UV-curable electromagnetic responsive inks in a sing... Read More about 3D inkjet-printed UV-curable inks for multi-functional electromagnetic applications.

Additive manufacture of three dimensional nanocomposite based objects through multiphoton fabrication (2016)
Journal Article
Liu, Y., Hu, Q., Zhang, F., Tuck, C., Irvine, D., Hague, R. J., …Wildman, R. D. (2016). Additive manufacture of three dimensional nanocomposite based objects through multiphoton fabrication. Polymers, 8(9), 1-14. https://doi.org/10.3390/polym8090325

Three dimensional structures prepared from a gold-polymer composite formulation have been fabricated using multiphoton lithography. In this process, gold nanoparticles were simultaneously formed through photoreduction whilst polymerisation of two pos... Read More about Additive manufacture of three dimensional nanocomposite based objects through multiphoton fabrication.

Development, printability and post-curing studies of formulations of materials resistant to microbial attachment for use in inkjet based 3D printing (2016)
Journal Article
Begines, B., Hook, A. L., Alexander, M. R., Tuck, C. J., & Wildman, R. D. (2016). Development, printability and post-curing studies of formulations of materials resistant to microbial attachment for use in inkjet based 3D printing. Rapid Prototyping Journal, 22(5), 835-841. https://doi.org/10.1108/RPJ-11-2015-0175

Purpose: This paper aims to print 3D structures from polymers that resist bacterial attachment by reactive jetting of acrylate monomers. Design/methodology/approach: The first step towards printing was ink development. Inks were characterised to car... Read More about Development, printability and post-curing studies of formulations of materials resistant to microbial attachment for use in inkjet based 3D printing.

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.

Three dimensional ink-jet printing of biomaterials using ionic liquids and co-solvents (2016)
Journal Article
Gunasekera, D. H., Kuek, S., Hasanaj, D., He, Y., Tuck, C., Croft, A. K., & Wildman, R. D. (2016). Three dimensional ink-jet printing of biomaterials using ionic liquids and co-solvents. Faraday Discussions, 190, 509-523. https://doi.org/10.1039/C5FD00219B

1-Ethyl-3-methylimidazolium acetate ([C2C1Im][OAc]) and 1-butyl-3-methylimidazolium acetate ([C4C1Im][OAc]) have been used as solvents for the dissolution and ink-jet printing of cellulose from 1.0 to 4.8 wt%, mixed with the co-solvents 1-butanol and... Read More about Three dimensional ink-jet printing of biomaterials using ionic liquids and co-solvents.

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.