Process for preparing scalable quantities of high purity manganese bismuth magnetic materials for fabrication of permanent magnets

Choi, Jung Pyung; Lavender, Curt A.; Li, Guosheng; Cui, Jun

Process for preparing scalable quantities of high purity manganese bismuth magnetic materials for fabrication of permanent magnets

Patent · 16 August 2016

OSTI ID:1295716

Choi, Jung Pyung; Lavender, Curt A.; Li, Guosheng; Cui, Jun

A scalable process is detailed for forming bulk quantities of high-purity .alpha.-MnBi phase materials suitable for fabrication of MnBi based permanent magnets.

Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-76RL01830

Assignee:: BATTELLE MEMORIAL INSTITUTE (Richland, WA)

Patent Number(s):: 9,418,779

Application Number:: 14/059,773

OSTI ID:: 1295716

Country of Publication:: United States

Language:: English

References (9)

The formation of single-phase equiatomic MnBi by rapid solidification Guo, X.; Zaluska, A.; Altounian, Z. Journal of Materials Research, Vol. 5, Issue 11 https://doi.org/10.1557/JMR.1990.2646	journal	November 1990
Preparation of Highly Pure MnBi Intermetallic Compounds by Arc-Melting Yoshida, Hajime; Shima, Toshiyuki; Takahashi, Toshitsugu Materials Transactions, JIM, Vol. 40, Issue 5 https://doi.org/10.2320/matertrans1989.40.455	journal	January 1999
Neutron Diffraction Study of the Structures and Magnetic Properties of Manganese Bismuthide Roberts, B. W. Physical Review, Vol. 104, Issue 3 https://doi.org/10.1103/PhysRev.104.607	journal	November 1956
Thermodynamic Assessment of the Bi-Mn System Oikawa, Katsunari; Mitsui, Yoshifuru; Koyama, Keiichi MATERIALS TRANSACTIONS, Vol. 52, Issue 11 https://doi.org/10.2320/matertrans.M2011229	journal	January 2011
Formation of MnBi ferromagnetic phases through crystallization of the amorphous phase Guo, X.; Altounian, Z.; Ström‐Olsen, J. O. Journal of Applied Physics, Vol. 69, Issue 8 https://doi.org/10.1063/1.347771	journal	April 1991
Magnetic properties of the MnBi intermetallic compound Yang, J. B.; Kamaraju, K.; Yelon, W. B. Applied Physics Letters, Vol. 79, Issue 12 https://doi.org/10.1063/1.1405434	journal	September 2001
Anisotropic nanocrystalline MnBi with high coercivity at high temperature Yang, J. B.; Yang, Y. B.; Chen, X. G. Applied Physics Letters, Vol. 99, Issue 8 https://doi.org/10.1063/1.3630001	journal	August 2011
Magnetic properties of MnBi prepared by rapid solidification Guo, X.; Chen, X.; Altounian, Z. Physical Review B, Vol. 46, Issue 22 https://doi.org/10.1103/PhysRevB.46.14578	journal	December 1992
Temperature dependences of structure and coercivity for melt-spun MnBi compound Yang, Y. B.; Chen, X. G.; Guo, S. Journal of Magnetism and Magnetic Materials, Vol. 330, p. 106-110 https://doi.org/10.1016/j.jmmm.2012.10.046	journal	March 2013

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