Effect of ZrB2 addition on SmCo-1 : 7 high temperature magnets
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Colleges, School and Institutes
This work focuses on a search for magnets that can be used at elevated temperature. We have studied the effect of ZrB2 addition on the magnetic properties and stability of nanocrystalline 1:7 type Sm(Co,Ti,Zr) magnets up to 500 degreesC. Amorphous ball milled powder was annealed to develop the TbCu7 type structure. The room temperature coercivity of SmCo6.5(ZrB2)(0.033)Ti-0.4 is 2.1 T. The microstructure is stable at 400 degreesC, where the coercivity is 0.5 T. (C) 2003 American Institute of Physics.
|Number of pages||3|
|Journal||Journal of Applied Physics|
|Publication status||Published - 1 Jan 2003|