All Outputs (103)

Valorisation of lignin by depolymerisation and fractionation using supercritical fluids and conventional solvents (2017)
Journal Article
Perez, E., Tuck, C. O., & Poliakoff, M. (in press). Valorisation of lignin by depolymerisation and fractionation using supercritical fluids and conventional solvents. Journal of Supercritical Fluids, https://doi.org/10.1016/j.supflu.2017.07.033

A procedure for Lignosulphonate valorisation is investigated. An attempt has been made to obtain diverse value-added products maximizing the atom economy. This procedure is carried in sequential steps starting with an oxidative depolymerization in su... Read More about Valorisation of lignin by depolymerisation and fractionation using supercritical fluids and conventional solvents.

Staged thermomechanical testing of nickel superalloys produced by selective laser melting (2017)
Journal Article
Xu, Z., Hyde, C. J., Thompson, A., Leach, R. K., Maskery, I., Tuck, C., & Clare, A. T. (2017). Staged thermomechanical testing of nickel superalloys produced by selective laser melting. Materials and Design, 133, 520-527. https://doi.org/10.1016/j.matdes.2017.08.009

The creep performance of additively manufactured components remains an issue before additive manufacturing can be put fully implemented. In this study, Inconel 718 two-bar specimens are produced by selective laser melting and subjected to a ‘staged’... Read More about Staged thermomechanical testing of nickel superalloys produced by selective laser melting.

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.

Design and characterisation of food grade powders and inks for microstructure control using 3D printing (2017)
Journal Article
Holland, S., Foster, T., MacNaughtan, W., & Tuck, C. (2018). Design and characterisation of food grade powders and inks for microstructure control using 3D printing. Journal of Food Engineering, 220, 12-19. https://doi.org/10.1016/j.jfoodeng.2017.06.008

Additive Manufacturing techniques have been previously applied to food materials with direct consumption in mind, as opposed to creating structural ingredients as shown in this study. First, semi-crystalline cellulose was mechanically treated by ball... Read More about Design and characterisation of food grade powders and inks for microstructure control using 3D printing.

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.

A Tripropylene Glycol Diacrylate-based Polymeric Support Ink for Material Jetting (2017)
Journal Article
Aboulkhair, N., He, Y., Zhang, F., Saleh, E., Vaithilingam, J., Aboulkhair, N. T., …Wildman, R. D. (2017). A Tripropylene Glycol Diacrylate-based Polymeric Support Ink for Material Jetting. Additive Manufacturing, 16, 153-161. https://doi.org/10.1016/j.addma.2017.06.001

© 2017 Support structures and materials are indispensable components in many Additive Manufacturing (AM) systems in order to fabricate complex 3D structures. For inkjet-based AM techniques (known as Material Jetting), there is a paucity of studies o... Read More about A Tripropylene Glycol Diacrylate-based Polymeric Support Ink for Material Jetting.

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.

Selective laser melting of aluminium alloys (2017)
Journal Article
Aboulkhair, N. T., Everitt, N. M., Maskery, I., Ashcroft, I., & Tuck, C. (2017). Selective laser melting of aluminium alloys. MRS Bulletin, 42(4), 311-319. https://doi.org/10.1557/mrs.2017.63

Metal additive manufacturing (AM) processes, such as selective laser melting, enable powdered metals to be formed into arbitrary 3D shapes. For aluminium alloys, which are desirable in many high-value applications for their low density and good mecha... Read More about Selective laser melting of aluminium alloys.

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.

Fractal scan strategies for selective laser melting of ‘unweldable’ nickel superalloys (2017)
Journal Article
Catchpole-Smith, S., Aboulkhair, N., Parry, L., Tuck, C., Ashcroft, I., & Clare, A. (in press). Fractal scan strategies for selective laser melting of ‘unweldable’ nickel superalloys. Additive Manufacturing, https://doi.org/10.1016/j.addma.2017.02.002

The high thermal gradients experienced during manufacture via selective laser melting commonly result in cracking of high γ/γ′ Nickel based superalloys. Such defects cannot be tolerated in applications where component integrity is of paramount import... Read More about Fractal scan strategies for selective laser melting of ‘unweldable’ nickel superalloys.

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.

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 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.

A mechanical property evaluation of graded density Al-Si10-Mg lattice structures manufactured by selective laser melting (2016)
Journal Article
Maskery, I., Aboulkhair, N., Aremu, A., Tuck, C., Ashcroft, I., Wildman, R., & Hague, R. (2016). A mechanical property evaluation of graded density Al-Si10-Mg lattice structures manufactured by selective laser melting. Materials Science and Engineering: A, 670, 264-274. https://doi.org/10.1016/j.msea.2016.06.013

Metal components with applications across a range of industrial sectors can be manufactured by selective laser melting (SLM). A particular strength of SLM is its ability to manufacture components incorporating periodic lattice structures not realisab... Read More about A mechanical property evaluation of graded density Al-Si10-Mg lattice structures manufactured by selective laser melting.

A new photocrosslinkable polycaprolactone based ink for three dimensional inkjet printing (2016)
Journal Article
He, Y., Tuck, C., Prina, E., Kilsby, S., Christie, S. D., Edmondson, S., …Wildman, R. D. (2017). A new photocrosslinkable polycaprolactone based ink for three dimensional inkjet printing. Journal of Biomedical Materials Research Part B: Applied Biomaterials, 105(6), 1645-1657. https://doi.org/10.1002/jbm.b.33699

A new type of photocrosslinkable polycaprolactone (PCL)-based ink that is suitable for three-dimensional (3D) inkjet printing has been developed. Photocrosslinkable PCL dimethylacrylate was synthesized and mixed with poly(ethylene glycol) diacrylate... Read More about A new photocrosslinkable polycaprolactone based ink for three dimensional inkjet printing.

Improving the fatigue behaviour of a selectively laser melted aluminium alloy: Influence of heat treatment and surface quality (2016)
Journal Article
Aboulkhair, N. T., Maskery, I., Tuck, C., Ashcroft, I., & Everitt, N. M. (2016). Improving the fatigue behaviour of a selectively laser melted aluminium alloy: Influence of heat treatment and surface quality. Materials and Design, 104, 174-182. https://doi.org/10.1016/j.matdes.2016.05.041

Selective laser melting (SLM) is being widely utilised to fabricate intricate structures used in various industries. Widening the range of applications that can benefit from such promising technology requires validating SLM parts in load bearing appl... Read More about Improving the fatigue behaviour of a selectively laser melted aluminium alloy: Influence of heat treatment and surface quality.