* Information concerning affiliation/post/profile of the laureate is current at the time he/she received the prize.
Dr. John J. Croat
Born
May 23, 1943, Iowa, U.S.A. (U.S.A. citizenship)
Education
1965：BA Degree, Simpson College, Indianola Iowa, U.S.A.
1968：MS Degree, Iowa State University, Ames Iowa, U.S.A.
1972：PhD Degree, Iowa State University, Ames Iowa, U.S.A.
Employment History
1972-1980：Research Metallurgist, General Motors Research Labs., Warren Michigan (USA).
1980-1984：Senior Research Metallurgist, GM Research Labs., Warren Michigan.
1984-1986：Asst. Chief Process Engineer, Delco Remy Div. GM Corporation
1986-1990：Chief Engineer, Magnequench, Delco Remy Div., GM Corporation
1990-1996：Managing Director, Magnequench, Delco Remy Div., GM Corporation
1996-2004：President, Advanced Magnetic Materials (AMM) Korat, Thailand
2004-2017：President, John Croat Consulting Inc.
Prizes and Honors
1985：Applications of Physics Prize, American Institute of Physics
1985：Distinguished Alumni Award, Iowa State University
1986：International Prize for New Materials, American Physical Society
(now James C. McGroddy Prize for New Materials)
1994 Outstanding Engineering Achievement Award, American Society of Metals.
2022：IEEE Award for Environmental and Safety Technology
Publications
- Books
1. Rapidly Solidified NdFeB Permanent Magnets, Elsevier Published, Published 2018.
2. Modern Permanent Magnets, Elsevier Publishing, Published 2022. Co-edited with John Ormerod.
- Journal Publications
1. The Properties, Preparation and Handling of Pure Rare Earth Metals, Proc. Interamerican Conference on
Material Technology, San Antonio, TX, May 20-24, 1968.
2. The Preparation and Properties of “Ultra Pure Metals”, Proc. International Conference on Rare Earth
Metals, Paris, France, Vol. I, Page 27 (1969).
3. Magnetic Properties of High Purity Scandium and the Effects of Impurities on These Properties, J. of
Chem. Phys., 58, No. 12, 5514 (1973).
4. Magnetic Properties of High Purity Yttrium, Lanthanum and Lutetium and the Effects of Impurities on
These Properties, J. Chem. Phys., 59, No. 5, 2451 (1973).
5. Preparation and Coercive Force of Melt-Spun Pr-Fe Alloys, Appl. Phys. Lett. 37(12) 1096 (1980).
6. Crystallization and Magnetic Properties of Melt-Spun Nd-Fe Alloys, J. Magn. and Magn. Matl., 24, 125
(1981).
7. Magnetic Properties of Melt-Spun Pr-Fe Alloys, J. Appl. Phys. 52(3), 2509 (1981).
8. Observation of Large Room Temperature Coercivity in Melt-Spun Nd0.4Fe0.6, Appl. Phys. Lett. 39(4),
357 (1981).
9. Melt-Spun R0,4Fe0.6 Alloys: Dependence of coercivity on Quench Rate, J. Appl. Phys., 53(3), 2404
(1982).
10. Magnetic Hardening of Pr-Fe and Nd-Fe Alloys by Melt Spinning, J. appl. Phys., 53(3), 3161 (1982).
11. High Energy Product Nd-Fe-B Permanent Magnets, Appl. Phys. Lett. 44(1), 148 (1984).
12. Pr-Fe and Nd-Fe-based Materials: A New Class of High Performance Magnets, J. Appl. Phys. 55(6),
2078 (1984).
13. Relationship Between Crystal Structure and Magnetic Properties in Nd2F214B, Phys. Rev. B, 29(7),
4126 (1984).
14. Structural and Magnetic Properties of Nd2Fe14B, J. Appl. Phys. 57(1), 4086 (1984).
15. High performance Nd-Fe-B Magnets by Rapid Solidification, Proc. Conf. on Rare Earth Developments
and Applications, Beijing, China, Sept. 1985.
16. Neodymium-Iron-Boron Magnets by Rapid Solidification, J. Matl. Eng., Vol. 10, No 1, 7 (1988).
17. Properties of Nd-Fe-B Anisotropic Powder Prepared from Rapidly Solidified Materials, J. Appl. Phys.,
64(10), 5293 (1988).
18. Rare Earth-Iron-Boron Permanent Magnets by Rapid Solidification Processing, Material Science and
Engineering, 99, Nov. 1988.
19. Neodymium-Iron-boron Magnets by Rapid Solidification, J. Mater. Eng., Vol. 10, No. 1, 1988.
20. Manufacture of Nd-Fe-B Permanent Magnets by Rapid Solidification, J. Less Common Metals, 148, 7
(1989)
21. Properties of Bonded NdFeB Anisotropic Magnets, J. Appl. Phys., 70(10), 6465 (1991).
22. Microstructure of Rapidly Solidified Nd-Fe-Co-B Alloys, IEEE Trans. Magn., 28 (5), 2853 (1992).
23. Current Status and Future Outlook for Bonded Neodymium Permanent Magnets, J. Appl. Phys., 81 (8),
April 15, 1997.
