Allan Walton

Publications

  1. 2000
  2. Published

    A zinc coating method for NdFeB magnets

    Allan Walton, Andrew Williams & Ivor Harris, 2000, In : Journal of Alloys and Compounds. 306, p. 253-261

    Research output: Contribution to journalArticlepeer-review

  3. Published
  4. Published

    Low pressure pack sublimation: Newly developed zinc coating process

    Allan Walton & Ivor Harris, 2000, In : Surface Engineering. 16, 2, p. 153-159

    Research output: Contribution to journalArticlepeer-review

  5. 2002
  6. Published

    An investigation into the corrosion behaviour of Zn coated NdFeB powder

    Sarah Lillywhite, Allan Walton, 2002, 2002 IEEE International Magnetics Conference (INTERMAG): Intermag Europe 2002 : digest of technical papers : April 28-May 2, 2002, RAI Congress Center, Amsterdam, the Netherlands. Fidler, J., Hillebrands, B., Ross, C., Weller, D., Folks, L., Hill, E., Vazquez Villalabeitia, M., Bain, J. A., De Boeck, J. & Wood, R. (eds.). Institute of Electrical and Electronics Engineers (IEEE), p. BE12-BE12 1 p. 1000832. (INTERMAG Europe 2002 - IEEE International Magnetics Conference).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  7. Published
  8. 2003
  9. Published

    A Novel Method for Producing Hydrogen Storage Materials

    Allan Walton, Malek Al-Mamouri & Ivor Harris, 2003.

    Research output: Contribution to conference (unpublished)Paper

  10. Published

    Hydrogen storage in zeolites A, X, Y and RHO

    Henrietta Langmi, Allan Walton, Paul Anderson, David Book, Malek Al-Mamouri, Simon Johnson, Ivor Harris, 1 Jan 2003, p. 381. 1 p.

    Research output: Contribution to conference (unpublished)Paper

  11. Published
  12. Published
  13. Published

    Hydrogenation properties of nanocrystalline Mg- and Mg2Ni-based compounds modified with platinum group metals (PGMs)

    Allan Walton, 11 Aug 2003, In : Journal of Alloys and Compounds. 356-357, p. 598-602 5 p.

    Research output: Contribution to journalConference articlepeer-review

  14. 2004
  15. Published

    Hydrogen Storage in Ion-Exchanged Zeolite X

    Henrietta Langmi, David Book, Allan Walton, Malek Al-Mamouri, Simon Johnson, Paul Anderson, Ian Gameson & Ivor Harris, 1 Jan 2004, p. 6-14. 9 p.

    Research output: Contribution to conference (unpublished)Paper

  16. 2005
  17. Published
  18. Published

    Hydrogen storage in ion-exchanged zeolites

    Henrietta Langmi, David Book, Allan Walton, Simon Johnson, Malek Al-Mamouri, Ivor Harris & Paul Anderson, 8 Dec 2005, In : Journal of Alloys and Compounds. 404-406, p. 637 - 642 6 p.

    Research output: Contribution to journalArticle

  19. 2006
  20. Published

    A chemical route to improve the hydrogen sorption kinetics of MgH2

    Allan Walton, James Prendergast, Paul Anderson & David Book, 2006.

    Research output: Contribution to conference (unpublished)Paper

  21. Published

    Ultramicroporous Polymers for Hydrogen Storage by Design

    David Book & Allan Walton, 2006, In : SYNFACTS. 6, p. 565 565 p.

    Research output: Contribution to journalArticlepeer-review

  22. Published
  23. Published
  24. 2007
  25. Published

    The accurate determination of the temperature dependence of hydrogen uptake by Na-X zeolite

    Allan Walton, David Book, 2007.

    Research output: Contribution to conference (unpublished)Paper

  26. Published
  27. Published

    The potential of organic polymer-based hydrogen storage materials

    David Book & Allan Walton, 1 Jan 2007, In : Physical Chemistry Chemical Physics. 9, 15, p. 1802-1808 7 p.

    Research output: Contribution to journalArticle

  28. Published
  29. 2008
  30. Published

    Polymers of intrinsic microporosity (PIMs) for hydrogen storage

    Steven Tedds, Allan Walton & David Book, 2008.

    Research output: Contribution to conference (unpublished)Paper

  31. 2009
  32. Published

    Porous hydrogen storage materials

    Steven Tedds, Allan Walton & David Book, 2009.

    Research output: Contribution to conference (unpublished)Paper

  33. Published

    Hydrogen storage properties of nanostructured graphite-based materials

    Vicky Mann, Daniel Reed, Allan Walton, Ivor Harris & David Book, 1 Jan 2009, p. 1987-1990. 4 p.

    Research output: Contribution to conference (unpublished)Paper

  34. Published

    Nitrogen and Hydrogen Adsorption by an Organic Microporous Crystal

    David Book, Allan Walton, 1 Jan 2009, In : Angewandte Chemie (International Edition) . 48, 18, p. 3273-3277 5 p.

    Research output: Contribution to journalArticle

  35. Published

    Effect of the substrate on the thermodynamic properties of PdHx films studied by hydrogenography

    Allan Walton, David Book, 1 Mar 2009, In : Scripta Materialia. 60, 5, p. 348-351 4 p.

    Research output: Contribution to journalArticle

  36. 2010
  37. Published
  38. Published
  39. Published
  40. Published
  41. Published
  42. Published
  43. 2011
  44. Published

    The use of hydrogen to selectively remove magnets from electrical assemblies

    Allan Walton, Andrew Williams & Ivor Harris, Jan 2011, IPC No. UK Patent, Patent No. 1101201.0

    Research output: Patent

  45. Published

    Characterisation of porous hydrogen storage materials: carbons, zeolites, MOFs and PIMs

    Steven Tedds, Allan Walton & David Book, 1 Jan 2011, In : Faraday Discussions. 151, p. 75-94 20 p.

    Research output: Contribution to journalArticle

  46. Published

    Rare earth recovery

    Allan Walton & Andrew Williams, 1 Aug 2011, In : Materials World. 19, 8, p. 24-26 3 p.

    Research output: Contribution to journalArticle

  47. 2012
  48. Published
  49. Published
  50. Published

    Electron energy-loss spectroscopy study of MgH 2 in the plasmon energy range

    Allan Walton, Vicky Mann, David Book, Ian Jones, 7 May 2012, In : Applied Physics Letters. 100, 19, 193902.

    Research output: Contribution to journalArticlepeer-review

  51. Published

    MAGNET RECYCLING

    Allan Walton, Ivor Harris & Andrew Williams, 7 Jun 2012, Patent No. WO/2012/072989

    Research output: Patent

  52. Published

    MAGNET RECOVERY

    Allan Walton, Ivor Harris & Andrew Williams, 2 Aug 2012, Patent No. WO/2012/101398

    Research output: Patent

  53. Published

    Reversible Interpenetration in a Metal-Organic Framework Triggered by Ligand Removal and Addition

    Allan Walton, David Book, 27 Aug 2012, In : Angewandte Chemie (International Edition) . 51, 35, p. 8791-8795

    Research output: Contribution to journalArticlepeer-review

  54. Published

    Improved HDDR processing route for production of anisotropic powder from sintered NdFeB type magnets.

    Richard Sheridan, Andrew Williams, Ivor Harris & Allan Walton, Sep 2012, Proceedings of the 22nd International Workshop on Rare Earth Permanent Magnets and their Applications. Nagasaki, Japan, p. 394-397 4 p. P3-012

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  55. 2013
  56. Published
  57. Published

    Recycling of Rare Earths: a Critical Review

    Allan Walton, 1 Jan 2013, In : Journal of Cleaner Production. 51, p. 1-22

    Research output: Contribution to journalArticlepeer-review

  58. 2014
  59. Published

    Magnet Recycling

    Allan Walton, Andrew Williams & Ivor Harris, 2014, IPC No. US Patent Granted, Patent No. 13/169839

    Research output: Patent

  60. Published

    The use of hydrogen to separate and recycle NdFeB magnets from electronic waste

    Allan Walton, Richard Sheridan, Vicky Mann & Ivor Harris, 2014, p. 79.

    Research output: Contribution to conference (unpublished)Paper

  61. Published
  62. Published

    Life cycle inventory of the production of rare earths and the subsequent production of NdFeB rare earth permanent magnets

    Allan Walton, 12 Mar 2014, In : Environmental Science & Technology. 48, 7, p. 3951-3958 8 p.

    Research output: Contribution to journalArticlepeer-review

  63. Published

    Recycling of Rare Earth Magnets

    Richard Sheridan, Allan Walton, Vicky Mann, Ivor Harris, Alexander Campbell, Aug 2014, Proceedings of the 23rd International Workshop on Rare Earth Permanent Magnets and their Applications. Annapolis, USA, p. 26-30 5 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  64. Published

    The Development of Microstructure during HDDR Treatment of Sintered NdFeB-type Magnets

    Richard Sheridan, Vicky Mann, Ivor Harris & Allan Walton, Aug 2014, Proceedings of the 23rd International Workshop on Rare Earth Permanent Magnets and their Applications. Annapolis, USA, p. 355-357 3 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  65. Published

    The Effect of Ni Impurities on HDDR Processing of Scrap Sintered NdFeB Magnets

    Richard Sheridan, Vicky Mann, Allan Walton, Ivor Harris, Alexander Campbell, Matthew Farr, Aug 2014, Proceedings of the 23rd International Workshop on Rare Earth Permanent Magnets and their Applications. Annapolis, USA, p. 352-354 3 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  66. 2015
  67. Published

    Lamination technology for rare earth magnets

    Allan Walton, Oliver Brooks & Ivor Harris, Jul 2015, Patent No. GB1511553.8

    Research output: Patent

  68. Published
  69. 2016
  70. Published

    Metal Injection Moulding of NdFeB based on Recycled Powders

    Allan Walton, Malik Degri, Lydia Pickering, Ivor Harris, 2016, Proceedings of the 24th International Workshop on Rare Earth Permanent Magnets and their Applications. p. 63-68

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  71. Published

    Recycling of rare earth magnets by hydrogen processing and re-sintering

    Enrique Herraiz, Malik Degri, Richard Sheridan, Vicky Mann, Ivor Harris & Allan Walton, 2016, Proceedings of the World Powder Metallurgy Congress. European Powder Metallurgy Association (EPMA)

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  72. Published

    Recycling of rare earth magnets by hydrogen processing and re-sintering

    Enrique Herraiz, Malik Degri, Richard Sheridan, Vicky Mann, Ivor Harris & Allan Walton, 2016, Joint European Magnetic Symposia.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  73. Published
  74. Published

    Design of high performance traction motors using cheaper grade of materials

    Richard Sheridan, Allan Walton & Ivor Harris, 21 Apr 2016, 8th IET International Conference on Power Electronics, Machines and Drives (PEMD 2016). Institution of Engineering and Technology

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  75. Published
  76. Published

    Optimisation of NdFeB Strip Cast Microstructure for HDDR Processing

    Jonathan Meakin, Ivor Harris, Richard Sheridan & Allan Walton, Aug 2016.

    Research output: Contribution to conference (unpublished)Paper

  77. Published
  78. Published
  79. Published
  80. Published

    The use of recycled NdFeB magnets in a traction motor

    Richard Sheridan, Ivor Harris & Allan Walton, Aug 2016.

    Research output: Contribution to conference (unpublished)Paper

  81. Published
  82. Published

    Novel "Flash Spark Plasma Sintering" method for the rapid fabrication of nanostructured and anisotropic rare-earth lean permanent magnetic materials

    Richard Sheridan, Allan Walton, 28 Aug 2016, Proceedings of the 24th International Workshop on Rare Earth Permanent Magnets and their Applications. p. 305

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  83. Published

    Rapid Sintering of Anisotropic, Nanograined Nd-Fe-B by Flash-Spark Plasma Sintering

    Richard Sheridan, Allan Walton, 1 Nov 2016, In : Journal of Magnetism and Magnetic Materials. 417, p. 279-283

    Research output: Contribution to journalArticlepeer-review

  84. E-pub ahead of print

    The Hydrogen Ductilisation Process (HyDP) for shaping NdFeB magnets

    Oliver Brooks, Allan Walton & Ivor Harris, 18 Dec 2016, In : Journal of Alloys and Compounds.

    Research output: Contribution to journalArticlepeer-review

  85. 2017
  86. Published

    The Employment of the Hydrogen Ductilisation Process in the Production of NdFeB-Based Magnets

    Oliver Brooks, Christian Jonsson, Allan Walton & Ivor Harris, 2017, INTERMAG 2017.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  87. Published
  88. Published
  89. Published

    High coercivity, anisotropic, heavy rare earth-free Nd-Fe-B by Flash Spark Plasma Sintering

    Richard Sheridan, Allan Walton, 11 Sep 2017, In : Scientific Reports. 7, 11134.

    Research output: Contribution to journalArticlepeer-review

  90. Published
  91. Published

    Hydrocyclone Separation of Hydrogen Decrepitated NdFeB

    Muhammad Awais, Fernando Coelho, Malik Degri, Enrique Herraiz, Allan Walton & Neil Rowson, 14 Nov 2017, In : Recycling. 2, 4, 11 p., 22.

    Research output: Contribution to journalArticlepeer-review

  92. Accepted/In press

    Isotropic NdFeB hard magnets: MIM production using recycled powders with and without Nd additions

    Malik Degri, Allan Walton & Ivor Harris, 30 Nov 2017, (Accepted/In press) Powder Injection Moulding International , 11, 4.

    Research output: Contribution to specialist publicationArticle

  93. Published
  94. 2018
  95. Published

    Resource Efficient Production Route for Rare Earth Magnets: Best practices handbook

    Malik Degri, Allan Walton, Feb 2018, Steinbeis. 84 p.

    Research output: Book/ReportOther report

  96. Published

    The development of the hydrogen ductilisation process (HyDP) for NdFeB-type alloys

    Oliver Brooks, Allan Walton & Ivor Harris, Apr 2018, Abstract Book - Magnetism 2018. IOP Publishing Ltd., p. 56 1 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  97. E-pub ahead of print

    Complete ductility in NdFeB-type alloys using the Hydrogen Ductilisation Process (HyDP)

    Oliver Brooks, Allan Walton & Ivor Harris, 27 Apr 2018, In : Acta Materialia.

    Research output: Contribution to journalArticlepeer-review

  98. Published
  99. Published

    Improved ductility of Hydrogen Ductilisation Processed (HyDP) NdFeB material: REPM2018

    Oliver Brooks, Allan Walton & Ivor Harris, Sep 2018.

    Research output: Contribution to conference (unpublished)Paperpeer-review

  100. Published

    Applicability of direct reuse and recycled rare earth magnets in electro-mobility

    Muhammad Awais, Malik Degri, Allan Walton, 10 Dec 2018, 7th International Conference on Renewable Energy Research and Applications (ICRERA 2018). Institute of Electrical and Electronics Engineers (IEEE), p. 846-852 7 p. (International Conference on Renewable Energy Research and Applications (ICRERA); vol. 2018).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  101. 2019
  102. Published
  103. Published
  104. Published

    The effect of disproportionation conditions on the hydrogen ductilisation process for NdFeB alloys

    Oliver Brooks, Allan Walton & Ivor Harris, 28 Aug 2019, JEMS2019 Abstract Book. The Joint European Magnetic Symposia (JEMS), p. 312 1 p. O146

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  105. Published

    Recycling lithium-ion batteries from electric vehicles

    Gavin Harper, Rob Sommerville, Emma Kendrick, Laura Driscoll, Peter Slater, Rustam Stolkin, Allan Walton & Paul Anderson, 6 Nov 2019, In : Nature. 575, 7781, p. 75-86 12 p.

    Research output: Contribution to journalReview articlepeer-review

  106. 2020
  107. Published
  108. Published

    Spark plasma sintering as an effective texturing tool for reprocessing recycled HDDR Nd-Fe-B magnets with lossless coercivity

    Muhammad Awais, Richard Sheridan, Allan Walton, 24 Mar 2020, In : Metals. 10, 3, p. 1-17 17 p., 418.

    Research output: Contribution to journalArticlepeer-review

  109. Published

    Limitations in grain boundary processing of the recycled HDDR Nd-Fe-B system

    Muhammad Awais, Richard Sheridan, Allan Walton, 10 Aug 2020, In : Metals. 13, 16, 3528.

    Research output: Contribution to journalArticlepeer-review

  110. E-pub ahead of print
  111. Published