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Title: 3D printing of anisotropic Sm–Fe–N nylon bonded permanent magnets

Abstract

Fabricating a bonded magnet with a near-net shape in suitable thermoplastic polymer binders is of paramount importance in the development of cost-effective energy technologies. In this work, anisotropic Sm2Fe17N3 (Sm–Fe–N) bonded magnets are additively printed using SmFeN anisotropic magnetic particles in a polymeric binder polyamide-12 (PA12). The anisotropic SmFeN bonded magnets are fabricated by Big Area Additive Manufacturing followed by post-printing alignment in a magnetic field. Optimal post-alignment results in an enhanced remanence of ∼0.68 T in PA12 reflected in a parallel-oriented (aligned) measured direction. The maximum energy product achieved for the additively printed anisotropic bonded magnet of Sm–Fe–N in PA12 polymer is 78.8 KJ m−3. Our results show advanced processing flexibility with 3D printing of the development of SmFeN nylon bonded magnets designed for applications with no critical rare earth magnets.

Authors:
ORCiD logo [1]; ORCiD logo [2];  [3];  [4];  [2];  [2];  [3];  [1]
+ Show Author Affiliations
  1. Critical Materials Institute Ames Laboratory Ames Iowa USA
  2. Chemical Sciences Division Oak Ridge National Laboratory Oak Ridge Tennessee USA
  3. Materials Science and Technology Division Oak Ridge National laboratory Oak Ridge Tennessee USA
  4. Chemical Sciences Division Oak Ridge National Laboratory Oak Ridge Tennessee USA, The Bredesen Center The University of Tennessee Knoxville Tennessee USA
Publication Date:
Research Org.:
Ames Laboratory (AMES), Ames, IA (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency Office. Advanced Manufacturing Office; USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Wind Energy Technologies Office
OSTI Identifier:
1831290
Alternate Identifier(s):
OSTI ID: 1827091; OSTI ID: 1831292; OSTI ID: 1833002; OSTI ID: 1883677; OSTI ID: 1994746
Report Number(s):
IS-J-10,600; IS-J-10,660
Journal ID: ISSN 2577-8196; e12478
Grant/Contract Number:  
DE‐AC05‐00OR22725; DE‐AC02‐07CH11358; AC02-07CH11358; AC05-00OR22725; AC05‐00OR22725; AC02‐07CH11358
Resource Type:
Published Article
Journal Name:
Engineering Reports
Additional Journal Information:
Journal Name: Engineering Reports Journal Volume: 3 Journal Issue: 12; Journal ID: ISSN 2577-8196
Publisher:
Wiley Blackwell (John Wiley & Sons)
Country of Publication:
United States
Language:
English
Subject:
SmFeN Nylon bonded permanent magnets; additive manufacturing or 3D printing; mechanical properties; magnetic properties; 42 ENGINEERING; SmFeN nylon bonded permanent magnets

Citation Formats

Gandha, Kinjal, Paranthaman, M. P., Sales, Brian C., Wang, Haobo, Dalagan, Adrian, Lamichhane, Tej N., Parker, David S., and Nlebedim, Ikenna C. 3D printing of anisotropic Sm–Fe–N nylon bonded permanent magnets. United States: N. p., 2021. Web. doi:10.1002/eng2.12478.
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Gandha, Kinjal, Paranthaman, M. P., Sales, Brian C., Wang, Haobo, Dalagan, Adrian, Lamichhane, Tej N., Parker, David S., & Nlebedim, Ikenna C. 3D printing of anisotropic Sm–Fe–N nylon bonded permanent magnets. United States. https://doi.org/10.1002/eng2.12478
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Gandha, Kinjal, Paranthaman, M. P., Sales, Brian C., Wang, Haobo, Dalagan, Adrian, Lamichhane, Tej N., Parker, David S., and Nlebedim, Ikenna C. Wed . "3D printing of anisotropic Sm–Fe–N nylon bonded permanent magnets". United States. https://doi.org/10.1002/eng2.12478.
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@article{osti_1831290,
title = {3D printing of anisotropic Sm–Fe–N nylon bonded permanent magnets},
author = {Gandha, Kinjal and Paranthaman, M. P. and Sales, Brian C. and Wang, Haobo and Dalagan, Adrian and Lamichhane, Tej N. and Parker, David S. and Nlebedim, Ikenna C.},
abstractNote = {Fabricating a bonded magnet with a near-net shape in suitable thermoplastic polymer binders is of paramount importance in the development of cost-effective energy technologies. In this work, anisotropic Sm2Fe17N3 (Sm–Fe–N) bonded magnets are additively printed using SmFeN anisotropic magnetic particles in a polymeric binder polyamide-12 (PA12). The anisotropic SmFeN bonded magnets are fabricated by Big Area Additive Manufacturing followed by post-printing alignment in a magnetic field. Optimal post-alignment results in an enhanced remanence of ∼0.68 T in PA12 reflected in a parallel-oriented (aligned) measured direction. The maximum energy product achieved for the additively printed anisotropic bonded magnet of Sm–Fe–N in PA12 polymer is 78.8 KJ m−3. Our results show advanced processing flexibility with 3D printing of the development of SmFeN nylon bonded magnets designed for applications with no critical rare earth magnets.},
doi = {10.1002/eng2.12478},
journal = {Engineering Reports},
number = 12,
volume = 3,
place = {United States},
year = {Wed Nov 17 00:00:00 EST 2021},
month = {Wed Nov 17 00:00:00 EST 2021}
}
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https://doi.org/10.1002/eng2.12478
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