Items where authors include "Todd, I."

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Article

Freeman, F.S.H.B. orcid.org/0000-0002-7402-1790, Jones, L. orcid.org/0000-0001-9927-0913, Goodall, A. et al. (2 more authors) (2024) Structural metamaterial lattices by laser powder-bed fusion of 17-4PH steel. Additive Manufacturing Letters, 8. 100190. ISSN 2772-3690

Goodall, A.D. orcid.org/0000-0002-4773-0321, Chechik, L. orcid.org/0000-0002-7626-2694, Livera, F. orcid.org/0000-0001-6154-0594 et al. (1 more author) (2024) Importance of surface roughness on the magnetic properties of additively manufactured FeSi thin walls. Acta Materialia, 263. 119501. ISSN 1359-6454

Gülenç, İT., Bai, M., Mitchell, R.L. et al. (2 more authors) (2023) In situ TiC reinforced Ti6Al4V matrix composites manufactured via selective laser melting. Rapid Prototyping Journal. ISSN 1355-2546

Goodall, A.D. orcid.org/0000-0002-4773-0321, Uramowski, J., Sinclair, C.W. et al. (2 more authors) (2023) Mechanical properties of stochastically cracked soft magnetic material. Additive Manufacturing Letters, 7. 100179. ISSN 2772-3690

Chechik, L. orcid.org/0000-0002-7626-2694 and Todd, I. (2023) Inconel 718 two ways: powder bed fusion vs. directed energy deposition. Additive Manufacturing Letters, 6. 100145. ISSN 2772-3690

Chechik, L., Goodall, A.D., Christofidou, K.A. et al. (1 more author) (2023) Controlling grain structure in metallic additive manufacturing using a versatile, inexpensive process control system. Scientific Reports, 13. 10003. ISSN 2045-2322

Goodall, A.D. orcid.org/0000-0002-4773-0321, Yiannakou, G., Chechik, L. orcid.org/0000-0002-7626-2694 et al. (3 more authors) (2023) Geometrical control of eddy currents in additively manufactured Fe-Si. Materials & Design, 230. 112002. ISSN 0264-1275

Goodall, A.D., Nishanth, F.N.U., Severson, E.L. et al. (1 more author) (2023) Loss performance of an additively manufactured axial flux machine stator with an eddy-current limiting structure. Materials Today Communications, 35. 105978. ISSN 2352-4928

Goodall, A.D., Chechik, L. orcid.org/0000-0002-7626-2694, Mitchell, R.L. et al. (2 more authors) (2023) Cracking of soft magnetic FeSi to reduce eddy current losses in stator cores. Additive Manufacturing, 70. 103555. ISSN 2214-8604

Chechik, L. orcid.org/0000-0002-7626-2694, Christofidou, K.A., Farquhar, L. et al. (3 more authors) (2023) Tools for the assessment of the laser printability of nickel superalloys. Metallurgical and Materials Transactions A. ISSN 1073-5623

Freeman, F. orcid.org/0000-0002-7402-1790, Chechik, L. orcid.org/0000-0002-7626-2694, Thomas, B. et al. (1 more author) (2023) Calibrated closed-loop control to reduce the effect of geometry on mechanical behaviour in directed energy deposition. Journal of Materials Processing Technology, 311. 117823. ISSN 0924-0136

Huang, Y. orcid.org/0000-0002-2162-394X, Hernandez-Nava, E., Hu, X. et al. (2 more authors) (2023) Unusual martensitic strain accommodation mechanism in an electron beam processed metastable β-Ti alloy. Scripta Materialia, 223. 115069. ISSN 1359-6462

Chechik, L. orcid.org/0000-0002-7626-2694, Christofidou, K.A. orcid.org/0000-0002-8064-5874, Markanday, J.F.S. et al. (5 more authors) (2022) Hardness variation in inconel 718 produced by laser directed energy deposition. Materialia, 26. 101643. ISSN 2589-1529

Huang, Y., Gao, J., Vorontsov, V. et al. (7 more authors) (2022) Martensitic twinning transformation mechanism in a metastable IVB element-based body-centered cubic high-entropy alloy with high strength and high work hardening rate. Journal of Materials Science & Technology, 124. pp. 217-231. ISSN 1005-0302

Freeman, F.S.H.B. orcid.org/0000-0002-7402-1790, Thomas, B., Chechik, L. et al. (1 more author) (2022) Multi-faceted monitoring of powder flow rate variability in directed energy deposition. Additive Manufacturing Letters, 2. 100024. ISSN 2772-3690

Farquhar, L., Maddison, G., Hardwick, L. et al. (3 more authors) (2022) In-situ alloying of CoCrFeNiX high entropy alloys by selective laser melting. Metals, 12 (3). 456.

Clare, A.T., Mishra, R.S., Merklein, M. et al. (5 more authors) (2022) Alloy design and adaptation for additive manufacture. Journal of Materials Processing Technology, 299. 117358. ISSN 0924-0136

Freeman, F. orcid.org/0000-0002-7402-1790, Thomas, B., Chechik, L. orcid.org/0000-0002-7626-2694 et al. (1 more author) (2021) Multi-faceted monitoring of powder flow rate variability in directed energy deposition [preprint]. SSRN. (Submitted)

Stanger, L., Rockett, T., Lyle, A. et al. (5 more authors) (2021) Reconstruction of microscopic thermal fields from oversampled infrared images in laser-based powder bed fusion. Sensors, 21 (14). 4859.

Chen, Y., Clark, S.J., Huang, Y. et al. (10 more authors) (2021) In situ X-ray quantification of melt pool behaviour during directed energy deposition additive manufacturing of stainless steel. Materials Letters, 286. 129205. ISSN 0167-577X

Chechik, L., Boone, N.A. orcid.org/0000-0002-5251-0104, Stanger, L.R. orcid.org/0000-0003-4853-1399 et al. (5 more authors) (2021) Variation of texture anisotropy and hardness with build parameters and wall height in directed-energy-deposited 316L steel. Additive Manufacturing, 38. 101806. ISSN 2214-8604

Mycroft, W., Katzman, M. orcid.org/0000-0001-7553-3520, Tammas-Williams, S. et al. (4 more authors) (2020) A data-driven approach for predicting printability in metal additive manufacturing processes. Journal of Intelligent Manufacturing, 31 (7). pp. 1769-1781. ISSN 0956-5515

Chen, Y., Clark, S.J., Leung, C.L.A.. et al. (7 more authors) (2020) In-situ synchrotron imaging of keyhole mode multi-layer laser powder bed fusion additive manufacturing. Applied Materials Today, 20. 100650. ISSN 2352-9407

Freeman, F.S.H.B. orcid.org/0000-0002-7402-1790, Chechik, L. and Todd, I. (2020) Beat the machine (learning) : metal additive manufacturing and closed loop control. Physics Education, 55 (5). 055012. ISSN 0031-9120

Snell, R., Tammas-Williams, S., Chechik, L. et al. (5 more authors) (2020) Methods for rapid pore classification in metal additive manufacturing. JOM Journal of the Minerals, Metals and Materials Society, 72 (1). pp. 101-109. ISSN 1047-4838

Freeman, F.S.H.B. orcid.org/0000-0002-7402-1790, Sharp, J. orcid.org/0000-0001-8168-8422, Xi, J. et al. (1 more author) (2019) Influence of solidification cell structure on the martensitic transformation in additively manufactured steels. Additive Manufacturing, 30. 100917. ISSN 2214-7810

Todd, M.A. orcid.org/0000-0001-5081-0587, Hunt, J. and Todd, I. orcid.org/0000-0003-0217-1658 (2019) Investigation into using resonant frequency measurements to predict the mechanical properties of Ti-6Al-4V manufactured by selective laser melting. Scientific Reports, 9 (1). 9278. ISSN 2045-2322

Velasco-Castro, M., Hernández-Nava, E., Figueroa, I.A. et al. (2 more authors) (2019) The effect of oxygen pickup during selective laser melting on the microstructure and mechanical properties of Ti–6Al–4V lattices. Heliyon, 5 (12). e02813. ISSN 2405-8440

Jenkins, S.N.M., Oulton, T.H., Hernandez-Nava, E. et al. (3 more authors) (2019) Anisotropy in the mechanical behavior of Ti6Al4V electron beam melted lattices. Mechanics Research Communications, 100. 103400. ISSN 0093-6413

Martinez, R., Todd, I. orcid.org/0000-0003-0217-1658 and Mumtaz, K. orcid.org/0000-0001-8083-1661 (2019) In situ alloying of elemental Al-Cu12 feedstock using selective laser melting. Virtual and Physical Prototyping, 14 (3). pp. 242-252. ISSN 1745-2759

Bajaj, P., Wright, J., Todd, I. orcid.org/0000-0003-0217-1658 et al. (1 more author) (2019) Predictive process parameter selection for Selective Laser Melting Manufacturing: applications to high thermal conductivity alloys. Additive Manufacturing, 27. pp. 246-258. ISSN 2214-7810

Liotti, E., Kirk, C.A., Todd, I. orcid.org/0000-0003-0217-1658 et al. (2 more authors) (2019) Synchrotron X-ray and neutron investigation of the structure and thermal expansion of the monoclinic Al13Cr2 phase. Journal of Alloys and Compounds, 781. pp. 1198-1208. ISSN 0925-8388

Hernández-Nava, E. orcid.org/0000-0002-6414-3313, Mahoney, P., Smith, C.J. et al. (3 more authors) (2019) Additive manufacturing titanium components with isotropic or graded properties by hybrid electron beam melting/hot isostatic pressing powder processing. Scientific Reports, 9. 4070. ISSN 2045-2322

Pham, M.-S., Liu, C., Todd, I. orcid.org/0000-0003-0217-1658 et al. (1 more author) (2019) Damage-tolerant architected materials inspired by crystal microstructure. Nature, 565 (7739). pp. 305-311. ISSN 0028-0836

Freeman, F.S.H.B. orcid.org/0000-0002-7402-1790, Lincoln, A., Sharp, J. et al. (2 more authors) (2019) Exploiting thermal strain to achieve an in-situ magnetically graded material. Materials and Design, 161. pp. 14-21. ISSN 0261-3069

Hancock, D. orcid.org/0000-0002-6250-2458, Homfray, D., Porton, M. et al. (2 more authors) (2018) Refractory metals as structural materials for fusion high heat flux components. Journal of Nuclear Materials, 512. pp. 169-183. ISSN 0022-3115

Hancock, D., Homfray, D., Porton, M. et al. (2 more authors) (2018) Exploring complex high heat flux geometries for fusion applications enabled by additive manufacturing. Fusion Engineering and Design, 136 (Part A). pp. 454-460. ISSN 0920-3796

Smith, C.J., Tammas-Williams, S. orcid.org/0000-0001-9457-2103, Mahoney, P.S. et al. (1 more author) (2018) 3D printing a jet engine: An undergraduate project to exploit additive manufacturing now and in the future. Materials Today Communications, 16. pp. 22-25. ISSN 2352-4928

Boone, N.A. orcid.org/0000-0002-5251-0104, Zhu, C., Smith, C. et al. (2 more authors) (2018) Thermal near infrared monitoring system for electron beam melting with emissivity tracking. Additive Manufacturing, 22. pp. 601-605. ISSN 2214-8604

Leong, Z., Todd, I. orcid.org/0000-0003-0217-1658 and Goodall, R. (2018) Structural dependency of some multiple principal component alloys with the Thomas-Fermi-Dirac electron density. Scripta Materialia, 146. pp. 95-99. ISSN 1359-6462

Ayling, K., Fairclough, L., Tighe, P. et al. (7 more authors) (2018) Positive mood on the day of influenza vaccination predicts vaccine effectiveness: A prospective observational cohort study. Brain, Behavior, and Immunity, 67. pp. 314-323. ISSN 0889-1591

Todd, I. orcid.org/0000-0003-0217-1658 (2018) Printing steels. Nature Materials, 17 (1). pp. 13-14. ISSN 1476-1122

Todd, I. orcid.org/0000-0003-0217-1658 (2017) No more tears for metal 3D printing. Nature, 549 (7672). pp. 342-343. ISSN 0028-0836

Smith, C.J., Tammas-Williams, S., Hernandez-Nava, E. et al. (1 more author) (2017) Tailoring the thermal conductivity of the powder bed in Electron Beam Melting (EBM) Additive Manufacturing. Scientific Reports, 7 (1). 10514. ISSN 2045-2322

Hernández-Nava, E., Tammas-Williams, S. orcid.org/0000-0001-9457-2103, Smith, C. et al. (4 more authors) (2017) X-ray tomography characterisation of lattice structures processed by Selective Electron Beam Melting. Metals, 7 (8). 300. ISSN 2075-4701

Vora, P., Martinez, R., Hopkinson, N. et al. (2 more authors) (2017) Customised Alloy Blends for In-Situ Al339 Alloy Formation Using Anchorless Selective Laser Melting. Technologies, 5 (2). 24. ISSN 2227-7080

Tammas-Williams, S., Withers, P.J., Todd, I. orcid.org/0000-0003-0217-1658 et al. (1 more author) (2017) The influence of porosity on fatigue crack initiation in additively manufactured titanium components. Scientific Reports, 7 (1). 7308. ISSN 2045-2322

Gulenko, A., Forto Chungong, L., Gao, J. et al. (4 more authors) (2017) Atomic structure of Mg-based metallic glasses from molecular dynamics and neutron diffraction. Physical Chemistry Chemical Physics , 19 (12). pp. 8504-8515. ISSN 1463-9084

Morrish, S.J.N., Pedersen, M., Wong, K.F.W. et al. (2 more authors) (2017) Size effects in compression in Electron Beam Melted Ti6Al4V diamond structure lattices. Materials Letters, 190. pp. 138-142. ISSN 0167-577X

Pitt, K., Lopez, O., Lafferty, A.D. et al. (2 more authors) (2017) Investigation into the material properties of wooden composite structures with in-situ fibre reinforcement using additive manufacturing. Composites Science and Technology, 138. pp. 32-39. ISSN 0266-3538

Leong, Z., Wrobel, J.S., Dudarev, S.L. et al. (3 more authors) (2017) The Effect of Electronic Structure on the Phases Present in High Entropy Alloys. Scientific Reports, 7. 39803 . ISSN 2045-2322

Tammas-Williams, S. and Todd, I. (2016) Design for additive manufacturing with site-specific properties in metals and alloys. Scripta Materialia. ISSN 1359-6462

Tammas-Williams, S., Withers, P.J., Todd, I. orcid.org/0000-0003-0217-1658 et al. (1 more author) (2016) Porosity regrowth during heat treatment of hot isostatically pressed additively manufactured titanium components. Scripta Materialia, 122. pp. 72-76. ISSN 1872-8456

Guan, D., Rainforth, W.M. orcid.org/0000-0003-3898-0318, Sharp, J. et al. (2 more authors) (2016) On the use of cryomilling and spark plasma sintering to achieve high strength in a magnesium alloy. Journal of Alloys and Compounds, 688. pp. 1141-1150. ISSN 0925-8388

Sidambe, A. T., Todd, I. orcid.org/0000-0003-0217-1658 and Hatton, P. V. orcid.org/0000-0001-5234-1104 (2016) Effects of build orientation induced surface modifications on the in vitro biocompatibility of electron beam melted Ti6Al4V. Powder Metallurgy, 59 (1). pp. 57-65. ISSN 0032-5899

Tammas-Williams, S. orcid.org/0000-0001-9457-2103, Withers, P.J., Todd, I. orcid.org/0000-0003-0217-1658 et al. (1 more author) (2016) The Effectiveness of Hot Isostatic Pressing for Closing Porosity in Titanium Parts Manufactured by Selective Electron Beam Melting. Metallurgical and Materials Transactions A, 47 (5). pp. 1939-1946. ISSN 1073-5623

Smith, C.J., Gilbert, M. orcid.org/0000-0003-4633-2839, Todd, I. orcid.org/0000-0003-0217-1658 et al. (1 more author) (2016) Application of layout optimization to the design of additively manufactured metallic components. Structural and Multidisciplinary Optimization. pp. 1-17. ISSN 1615-147X

Thomas, M., Baxter, G.J. and Todd, I. orcid.org/0000-0003-0217-1658 (2016) Normalised model-based processing diagrams for additive layer manufacture of engineering alloys. Acta Materialia, 108. pp. 26-35. ISSN 1359-6454

Hernández-Nava, E., Smith, C.J., Derguti, F. et al. (5 more authors) (2016) The effect of defects on the mechanical response of Ti-6Al-4V cubic lattice structures fabricated by electron beam melting. Acta Materialia, 108. C. pp. 279-292. ISSN 1359-6454

Smith, C.J., Derguti, F., Hernandez Nava, E. et al. (5 more authors) (2016) Dimensional accuracy of Electron Beam Melting (EBM) additive manufacture with regard to weight optimized truss structures. Journal of Materials Processing Technology, 229. pp. 128-138. ISSN 0924-0136

Ozdemir Kilinc, Z., Hernandez-Nava, E., Tyas, A. et al. (5 more authors) (2016) Energy absorption in lattice structures in dynamics: Experiments. International Journal of Impact Engineering, 89. 49 - 61. ISSN 0734-743X

Amendola, A., Hernandez-Nava, E., Goodall, R. et al. (3 more authors) (2015) On the additive manufacturing, post-tensioning and testing of bi-material tensegrity structures. Composite Structures, 131. 66 - 71. ISSN 0263-8223

Faraji, M., Wilcox, D.P., Thackray, R. et al. (3 more authors) (2015) Quantitative Characterization of Inclusions in Continuously Cast High-Carbon Steel. Metallurgical and Materials Transactions B, 46 (6). pp. 2490-2502. ISSN 1073-5615

Mumtaz, K.A., Todd, I., Hopkinson, N. et al. (1 more author) (2015) AlSi12 In-Situ Alloy Formation and Residual Stress Reduction using Anchorless Selective Laser Melting. Additive Manufacturing, 7. pp. 12-19. ISSN 2214-860

Asensio Dominguez, L., Goodall, R. and Todd, I. (2015) Prediction and validation of quaternary high entropy alloys using statistical approaches. Materials Science and Technology, 31 (10). pp. 1201-1206. ISSN 1316-2012

Hernandez-Nava, E., Smith, C.J., Derguti, F. et al. (5 more authors) (2015) The effect of density and feature size on mechanical properties of isostructural metaffic foams produced by additive manufacturing. Acta Materialia, 85. 387 - 395. ISSN 1359-6454

Faraji, M., Wilcox, D.P., Thackray, R.P. et al. (3 more authors) (2014) Effect of early stages of thermomechanical processing on inclusions in high carbon steel. Materials Science and Technology, 30 (10). 1177 -1188. ISSN 0267-0836

McCormac, J., Skillen, I., Pollacco, D. et al. (5 more authors) (2014) A search for photometric variability towards M71 with the Near-Infrared Transiting ExoplanetS Telescope. Monthly Notices of the Royal Astronomical Society, 438 (4). pp. 3383-3398. ISSN 0035-8711

Corteen, J., Rainforth, M. and Todd, I. (2011) A mathematical approach to transformation toughening in bulk metallic glasses. Scripta Materialia, 65 (6). pp. 524-527. ISSN 1359-6462

Book Section

Figueroa, I.A., Carroll, P.A., Davies, H.A. et al. (2 more authors) (2007) Preparation of Cu-based bulk metallic glasses by suction casting. In: Jones, H., (ed.) SP07 Proceedings of the 5th Decennial International Conference on Solidification Processing. Department of Engineering Materials, University of Sheffield. , Sheffield , pp. 479-482. ISBN ISBN-13: 978-0-9522507-4-6

Conference or Workshop Item

Nordin, N.H., Nan, H., Wang, H. et al. (3 more authors) (2015) Study of Glass Forming Ability of Different Bulk Metallic Glass Alloys. In: USES 2015 - The University of Sheffield Engineering Symposium, 24 Jun 2015, The Octagon Centre, University of Sheffield.

Proceedings Paper

Snyder, C., Attanasio, S. orcid.org/0000-0002-5537-8380, White, T. et al. (6 more authors) (2022) Material characterization study of laser powder bed fusion type 316L stainless steel with process parameter modifications to promote isotropy. In: Shamsaei, N., Hrabe, N. and Seifi, M., (eds.) Progress in Additive Manufacturing 2021. ASTM International Conference on Additive Manufacturing (ICAM 2021), 01-05 Nov 2021, Anaheim, California, USA. ASTM International , Hanover , pp. 123-139. ISBN 9780803177352

Snell, R.M., Atkins, C., Schnetler, H. et al. (10 more authors) (2022) Towards understanding and eliminating defects in additively manufactured CubeSat mirrors. In: Navarro, R. and Geyl, R., (eds.) Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation V. SPIE Astronomical Telescopes and Instrumentation, 17-23 Jul 2022, Montréal, Québec, Canada. Society of Photo-optical Instrumentation Engineers (SPIE) , 121880v. ISBN 9781510653573

Miller, D. orcid.org/0000-0003-3409-2735, Song, B., Farnsworth, M. et al. (4 more authors) (2021) IoT and machine learning for in-situ process control using Laser Based Additive Manufacturing (LBAM) case study. In: Mourtzis, D., (ed.) Procedia CIRP. CIRP CMS 2021 - 54th CIRP Conference on Manufacturing Systems, 22-24 Sep 2021, Virtual conference. Elsevier BV , pp. 1813-1818.

Alharbi, A., Khan, A., Todd, I. et al. (2 more authors) (2021) Semisolid heat treatment processing window of Pb-40% Sn alloy for feedstock in the 3D printing thixo-forming process. In: Materials Today: Proceedings. 1st International Conference on Computations in Materials and Applied Engineering, 01-02 May 2021, Uttarakhand, India. Elsevier .

Snell, R.M., Atkins, C., Schnetler, H. et al. (17 more authors) (2020) An additive manufactured CubeSat mirror incorporating a novel circular lattice. In: Navarro, R. and Geyl, R., (eds.) Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV. Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation IV, 14-18 Dec 2020, Online conference. Proceedings of SPIE (11451). Society of Photo Optical Instrumentation Engineers (SPIE) . ISBN 9781510636897

Roulet, M., Atkins, C., Hugot, E. et al. (12 more authors) (2020) Use of 3D printing in astronomical mirror fabrication. In: Herkommer, A.M., von Freymann, G. and Flury, M., (eds.) 3D Printed Optics and Additive Photonic Manufacturing II. 3D Printed Optics and Additive Photonic Manufacturing II, 06-10 Apr 2020, Online conference. Society of Photo‑Optical Instrumentation Engineers (SPIE) . ISBN 9781510634701

Hadjikoumis, A., Croft, P., Simmons, A. et al. (5 more authors) (2017) A first glimpse into butchery practices in Pre-Pottery Neolithic Cyprus: Evidence on sheep and goat remains from six sites. In: Vigne, J.-D., Briois, F. and Tengberg, M., (eds.) Nouvelles données sur les débuts du Néolithique à Chypre. Nouvelles données sur les débuts du Néolithique à Chypre, 18-19 Mar 2015, Paris, France. Séances de la Société Préhistorique Française, 9 . Société préhistorique française , Paris , pp. 199-213. ISBN 2-913745-2-913745-69-5

Vora, P., Derguti, F., Mumtaz, K.A. et al. (2 more authors) (2013) Investigating a Semi-Solid Processing technique using metal powder bed Additive Manufacturing Processes. In: Proceedings Solid Freeform Fabrication Symposium. Solid Freeform Fabrication Symposium, 05-07 Aug 2013, Austin Texas, USA. , pp. 454-462.

Mumtaz, K.A., Hopkinson, N., Stapleton, D. et al. (3 more authors) (2012) Benchmarking metal powder bed Additive Manufacturing processes (SLM and EBM) to build flat overhanging geometries without supports. In: Proceeding Solid Freeform Fabrication Symposium. Solid Freeform Fabrication Symposium, 06-08 Aug 2012, Austin Texas, USA. .

Preprint

Chechik, L. and Todd, I. orcid.org/0000-0003-0217-1658 (2023) Inconel 718 two ways: powder bed fusion vs. directed energy deposition. [Preprint] (Submitted)

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