publications

 

Energy Technology | 2020

Magnetic Refrigeration with Recycled Permanent Magnets and Free Rare-Earth Magnetocaloric La-Fe-Si

D. Benke, M. Fries, M. Specht, J. Wortman, M Pabst, T. Gottschall, I. Radulov, K. Skokov, A.I. Bevan, D. Prosperi, C.O. Tudor, P. Afiuny, M. Zakotnik, and O. Gutfleisch

Journal of Cleaner Production | 2019

Thermal-stability and microstructure comparison between recycled M2M and conventionally produced sintered neodymium-iron-boron magnets

D. Prosperi, C. O. Tudor, A. I. Bevan, E. De Leon Quiroz, H. Peh G. Furlan, R. Skomski, D. Suvorov & M. Zakotnik

Journal of Magnetism and Magnetic Materials | 2018

Performance comparison of motors fitted with magnet-to-magnet recycled or conventionally manufactured sintered NdFeB

D. Prosperi, A.I. Bevan, G.U. Rosillo, C.O. Tudor, G. Furlan, S. Dove, P. Lucia & M. Zakotnik

 

Journal of Magnetism and Magnetic Materials, 442: 158-162 | 2017

A comparative study of magnetoresistance and magnetic structure in recycled vs. virgin NdFeB-type sintered magnets

S. Shen, M. Tsoi, D. Prosperi, C. O. Tudor, S. K. Dove, A. I. Bevan, G. Furlan & M. Zakotnik

Environmental Technology & Innovation | 2016

Analysis of energy usage in Nd-Fe-B magnet to magnet recycling

M. Zakotnik, C. O. Tudor, L. T. Peiró, P. Afiuny, R. Skomski & G. P. Hatch

The 23rd CIRP Conference on Life Cycle Engineering | 2016

Comparative Life Cycle Assessment of NdFeB Magnets: Virgin Production versus Magnet-to-Magnet Recycling

H. Jin, P. Afiuny, T. McIntyre, Y. Yih & J. W. Sutherland

 

US Patent Application US20160118169 | April 28, 2016

Grain Boundary Engineering

M. Zakotnik & W. Del Pozzo

Journal of Alloys and Compounds | 2016

Microstructure and magnetic properties of grain boundary modified recycled Nd-Fe-B sintered magnets

H. Sepehri-Amin, T. Ohkubo, M. Zakotnik, D. Prosperi, P. Afiuny, C. O. Tudor & K. Hono

Journal of Rare Earths. 31;33(7):736-9 | 2015

Thermal stability of recycled NdFeB sintered magnets produced by Grain Boundary Modification

L. I. Xiantao, Y. U. Ming, M. Zakotnik, L. I. Weiqiang, D. Zhang & Z. U. Tieyong

 

US Patent US20140366687 | December 18 , 2014

Magnet Recycling to create Nd-Fe-B magnets with improved or restored magnetic performance

M. Zakotnik, P. Afiuny, S. Dunn & C. O. Tudor

Proceedings of 23rd International Workshop on Rare Earth Permanent Magnets & Their Applications | 2014

Mass Production of Recycled NdFeB-type Sintered Magnets and a Novel Grain Boundary Modification Process

M. Zakotnik & C. O. Tudor

Journal of Alloys and Compounds, 450 (1-2), 525-531 | 2008

Kinetic studies of hydrogen desorption in SmCo 2/17-type sintered magnets

M. Zakotnik, I.R. Harris & A.J. Williams

 

Journal of Iron And Steel Research, International, 13:289-295 | 2006

Hydrogen Decrepitation and Recycling of NdFeB-type Sintered Magnets

M. Zakotnik, E. Devlin, I.R. Harris & A.J. Williams

Proceedings of 19th International Workshop on Rare Earth Permanent Magnets & Their Applications, 289-295 | 2006

Hydrogen Decrepitation and Recycling of NdFeB-type Sintered Magnets

M. Zakotnik, I.R. Harris & A.J. Williams