All Outputs (104)

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., Leach, R. K., & 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.

Environmental Impacts of Selective Laser Melting: Do Printer, Powder, Or Power Dominate? (2016)
Journal Article
Faludi, J., Baumers, M., Maskery, I., & Hague, R. (2017). Environmental Impacts of Selective Laser Melting: Do Printer, Powder, Or Power Dominate?. Journal of Industrial Ecology, 21(S1), S144-S156. https://doi.org/10.1111/jiec.12528

© 2016 The Authors. Journal of Industrial Ecology, published by Wiley Periodicals, Inc., on behalf of Yale University. This life cycle assessment measured environmental impacts of selective laser melting, to determine where most impacts arise: machin... Read More about Environmental Impacts of Selective Laser Melting: Do Printer, Powder, Or Power Dominate?.

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.

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., Wildman, R. D., Ashcroft, I., Hague, R. J., Dickens, P., & 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., Yinfeng, H., Simonelli, M., Rance, G., Smith, E., & 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.

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., Hague, R. J., Rose, F. R., & 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.

Surface chemistry of Ti6Al4V components fabricated using selective laser melting for biomedical applications (2016)
Journal Article
Vaithilingam, J., Prina, E., Goodridge, R. D., Hague, R. J., Edmondson, S., Rose, F. R., & Christie, S. D. (2016). Surface chemistry of Ti6Al4V components fabricated using selective laser melting for biomedical applications. Materials Science and Engineering: C, 67, 294-303. https://doi.org/10.1016/j.msec.2016.05.054

Selective laser melting (SLM) has previously been shown to be a viable method for fabricating biomedical implants; however, the surface chemistry of SLM fabricated parts is poorly understood. In this study, X-ray photoelectron spectroscopy (XPS) was... Read More about Surface chemistry of Ti6Al4V components fabricated using selective laser melting for biomedical applications.

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.

An investigation into reinforced and functionally graded lattice structures (2016)
Journal Article
Maskery, I., Hussey, A., Panesar, A., Aremu, A., Tuck, C., Ashcroft, I., & Hague, R. J. (in press). An investigation into reinforced and functionally graded lattice structures. Journal of Cellular Plastics, https://doi.org/10.1177/0021955X16639035

Lattice structures are regarded as excellent candidates for use in lightweight energy absorbing applications, such as crash protection. In this paper we investigate the crushing behaviour, mechanical properties and energy absorption of lattices made... Read More about An investigation into reinforced and functionally graded lattice structures.

The effect of laser remelting on the surface chemistry of Ti6al4V components fabricated by selective laser melting (2016)
Journal Article
Vaithilingam, J., Goodridge, R. D., Hague, R. J., Christie, S. D., & Edmondson, S. (2016). The effect of laser remelting on the surface chemistry of Ti6al4V components fabricated by selective laser melting. Journal of Materials Processing Technology, 232, https://doi.org/10.1016/j.jmatprotec.2016.01.022

Surface remelting/skin scanning of components is generally performed during the selective laser melting (SLM) process to improve the surface quality of a part. However, the chemical effects of surface remelting are not well understood. In this study,... Read More about The effect of laser remelting on the surface chemistry of Ti6al4V components fabricated by selective laser melting.

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., Wildman, R. D., Ashcroft, I., & 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.

Design Framework for Multifunctional Additive Manufacturing: Placement and Routing of Three-Dimensional Printed Circuit Volumes (2015)
Journal Article
Panesar, A., Brackett, D., Ashcroft, I., Wildman, R. D., & Hague, R. J. (2015). Design Framework for Multifunctional Additive Manufacturing: Placement and Routing of Three-Dimensional Printed Circuit Volumes. Journal of Mechanical Design, 137(11), Article 111414. https://doi.org/10.1115/1.4030996

© 2015 by ASME. A framework for the design of additively manufactured (AM) multimaterial parts with embedded functional systems is presented (e.g., structure with electronic/electrical components and associated conductive paths). Two of the key stran... Read More about Design Framework for Multifunctional Additive Manufacturing: Placement and Routing of Three-Dimensional Printed Circuit Volumes.

Toward better build volume packing in additive manufacturing: classification of existing problems and benchmarks (2015)
Presentation / Conference Contribution
Araujo, L., Özcan, E., Atkin, J., Baumers, M., Tuck, C., & Hague, R. J. Toward better build volume packing in additive manufacturing: classification of existing problems and benchmarks. Presented at Annual International Solid Freeform Fabrication Symposium

In many cases, the efficient operation of Additive Manufacturing (AM) technology relies on build volumes being packed effectively. Packing algorithms have been developed in response to this requirement. The configuration of AM build volumes is partic... Read More about Toward better build volume packing in additive manufacturing: classification of existing problems and benchmarks.

Mechanical Properties of Ti-6Al-4V Selectively Laser Melted Parts with Body-Centred-Cubic Lattices of Varying cell size (2015)
Journal Article
Maskery, I., Aremu, A., Simonelli, M., Tuck, C., Wildman, R., Ashcroft, I., & Hague, R. (2015). Mechanical Properties of Ti-6Al-4V Selectively Laser Melted Parts with Body-Centred-Cubic Lattices of Varying cell size. Experimental Mechanics, 55(7), 1261-1272. https://doi.org/10.1007/s11340-015-0021-5

Significant weight savings in parts can be made through the use of additive manufacture (AM), a process which enables the construction of more complex geometries, such as functionally graded lattices, than can be achieved conventionally. The existing... Read More about Mechanical Properties of Ti-6Al-4V Selectively Laser Melted Parts with Body-Centred-Cubic Lattices of Varying cell size.

The cost of additive manufacturing: machine productivity, economies of scale and technology-push (2015)
Journal Article
Baumers, M., Dickens, P., Tuck, C., & Hague, R. (2016). The cost of additive manufacturing: machine productivity, economies of scale and technology-push. Technological Forecasting and Social Change, 102, https://doi.org/10.1016/j.techfore.2015.02.015

As part of the cosmos of digital fabrication technology, Additive Manufacturing (AM) systems are able to manufacture three-dimensional components and products directly from raw material and 3D design data. The layer-by-layer operating process of thes... Read More about The cost of additive manufacturing: machine productivity, economies of scale and technology-push.

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., Ashcroft, I., Wildman, R. D., & 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.