Effect of yttrium substitution on magnetic properties and microstructure of Nd-Y-Fe-B nanocomposite magnets |
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| Authors: | CHEN Zhian ; LUO Ji ; SUI Yanli ; GUO Zhimeng |
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| Affiliation: | Institute of Powder Metallurgy University of Science and Technology Beijing State Key Laboratory for Advanced Metals and Materials |
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| Abstract: | The phase evolution,microstructure and magnetic properties of Nd9-xYxFe72Ti2Zr2B15(x=0,0.5,1,2) nanocomposite ribbons were investigated.It was found that substitution of Y enhanced glass forming ability of the over-quenched ribbons and stabilized the amorphous phase during post annealing treatment.Appropriate content of Y substitution effectively refined the microstructure and enhanced the remanence of the annealed samples.The residual amorphous intergranular phase in the annealed sample improved the square... |
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| Keywords: | nanocomposite yttrium substitution glass forming ability residual amorphous phase squareness rare earths |
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