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Formation of nanocrystalline Fe-N-B-Cu soft magnetic ribbons |
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| Authors: | Jiancheng Tang Aihua Wu Youwei Du |
| Affiliation: | a National Laboratory of Solid State Microstructures, Department of Physics, Nanjing University, P.O. Box 2322, Nanjing 210093, People's Republic of China b State Key Laboratory for Powder Metallurgy, Central South University, Changsha 410083, People's Republic of China |
| Abstract: | The potential of iron nitride alloys as nanocrystalline materials for soft magnetic ribbons was explored. Nanocrystalline Fe83.4N8.4B7.3Cu0.9 soft magnetic ribbons with a principal constituent of α′′-Fe16N2 are formed after the nitriding and tempering of amorphous Fe91B8Cu1 ribbons. The formation mechanism of α′′-Fe16N2 is the transformation of austensite by its quenching to α′-Fe (N) martensite and subsequent tempering to α′′-Fe16N2. The good soft magnetic properties show that Fe nitride alloys are good candidate materials for nanocrystalline soft magnetic ribbons. |
| Keywords: | M100 N100 |
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