Recycled Sm-Co bonded magnet filaments for 3D printing of magnets
Abstract
Recycling of rare earth elements, such as Sm and Nd, is one technique towards mitigating long-term supply and cost concerns for materials and devices that depend on these elements. In this work recycled Sm-Co powder recovered from industrial grinding swarfs, or waste material from magnet processing, was investigated for use in preparation of filament for 3D printing of bonded magnets. Recycled Sm-Co powder recovered from swarfs was blended into polylactic acid (PLA). Up to 20 vol.% of the recycled Sm-Co in PLA was extruded at 160°C to produce a filament. It was demonstrated that no degradation of magnetic properties occurred due to the preparation or extrusion of the bonded magnet material. Good uniformity of the magnetic properties is exhibited throughout the filament, with the material first extruded being the exception. The material does exhibit some magnetic anisotropy, allowing for the possibility of the development of anisotropic filaments. Finally, this work provides a path forward for producing recycled magnetic filament for 3D printing of permanent magnets.
- Authors:
-
- Ames Lab., Ames, IA (United States)
- Iowa State Univ., Ames, IA (United States). Dept. of Chemistry
- Ames Lab., Ames, IA (United States); Iowa State Univ., Ames, IA (United States). Dept. of Chemistry
- Publication Date:
- Research Org.:
- Ames Laboratory (AMES), Ames, IA (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Advanced Manufacturing Office; USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences, and Biosciences Division
- OSTI Identifier:
- 1436430
- Alternate Identifier(s):
- OSTI ID: 1416636
- Report Number(s):
- IS-J-9630
Journal ID: ISSN 2158-3226; TRN: US1900182
- Grant/Contract Number:
- AC02-07CH11358
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- AIP Advances
- Additional Journal Information:
- Journal Volume: 8; Journal Issue: 5; Journal ID: ISSN 2158-3226
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Khazdozian, Helena A., Manzano, J. Sebastián, Gandha, Kinjal, Slowing, Igor I., and Nlebedim, Ikenna C. Recycled Sm-Co bonded magnet filaments for 3D printing of magnets. United States: N. p., 2018.
Web. doi:10.1063/1.5007669.
Khazdozian, Helena A., Manzano, J. Sebastián, Gandha, Kinjal, Slowing, Igor I., & Nlebedim, Ikenna C. Recycled Sm-Co bonded magnet filaments for 3D printing of magnets. United States. https://doi.org/10.1063/1.5007669
Khazdozian, Helena A., Manzano, J. Sebastián, Gandha, Kinjal, Slowing, Igor I., and Nlebedim, Ikenna C. 2018.
"Recycled Sm-Co bonded magnet filaments for 3D printing of magnets". United States. https://doi.org/10.1063/1.5007669. https://www.osti.gov/servlets/purl/1436430.
@article{osti_1436430,
title = {Recycled Sm-Co bonded magnet filaments for 3D printing of magnets},
author = {Khazdozian, Helena A. and Manzano, J. Sebastián and Gandha, Kinjal and Slowing, Igor I. and Nlebedim, Ikenna C.},
abstractNote = {Recycling of rare earth elements, such as Sm and Nd, is one technique towards mitigating long-term supply and cost concerns for materials and devices that depend on these elements. In this work recycled Sm-Co powder recovered from industrial grinding swarfs, or waste material from magnet processing, was investigated for use in preparation of filament for 3D printing of bonded magnets. Recycled Sm-Co powder recovered from swarfs was blended into polylactic acid (PLA). Up to 20 vol.% of the recycled Sm-Co in PLA was extruded at 160°C to produce a filament. It was demonstrated that no degradation of magnetic properties occurred due to the preparation or extrusion of the bonded magnet material. Good uniformity of the magnetic properties is exhibited throughout the filament, with the material first extruded being the exception. The material does exhibit some magnetic anisotropy, allowing for the possibility of the development of anisotropic filaments. Finally, this work provides a path forward for producing recycled magnetic filament for 3D printing of permanent magnets.},
doi = {10.1063/1.5007669},
url = {https://www.osti.gov/biblio/1436430},
journal = {AIP Advances},
issn = {2158-3226},
number = 5,
volume = 8,
place = {United States},
year = {Thu Jan 11 00:00:00 EST 2018},
month = {Thu Jan 11 00:00:00 EST 2018}
}
Figures / Tables:
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Works referencing / citing this record:
Production of complex shape magnets using additive manufacturing: A state-of-the-art analysis
journal, November 2019
- Silva, Thiago Felipe Vieira; Stoppa, Marcelo Henrique
- Journal of Thermoplastic Composite Materials
Additive Manufacturing and Topology Optimization of Magnetic Materials for Electrical Machines—A Review
journal, January 2021
- Pham, Thang; Kwon, Patrick; Foster, Shanelle
- Energies, Vol. 14, Issue 2
Figures / Tables found in this record: