4.6 Article

Bulk Combinatorial Synthesis and High Throughput Characterization for Rapid Assessment of Magnetic Materials: Application of Laser Engineered Net Shaping (LENS™)

Journal

JOM
Volume 68, Issue 7, Pages 1972-1977

Publisher

SPRINGER
DOI: 10.1007/s11837-016-1918-x

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Funding

  1. Critical Materials Institute, an Energy Innovation Hub - U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, Advanced Manufacturing Office
  2. Iowa State University [DE-AC02-07CH11358]

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A bulk combinatorial approach for synthesizing alloy libraries using laser engineered net shaping (LENS (TM); i.e., 3D printing) was utilized to rapidly assess material systems for magnetic applications. The LENS (TM) system feeds powders in different ratios into a melt pool created by a laser to synthesize samples with bulk (millimeters) dimensions. By analyzing these libraries with autosampler differential scanning calorimeter/thermal gravimetric analysis and vibrating sample magnetometry, we are able to rapidly characterize the thermodynamic and magnetic properties of the libraries. The Fe-Co binary alloy was used as a model system and the results were compared with data in the literature.

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