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Effect of ZrB2 addition on SmCo-1:7 high temperature magnets

Date
2003
Abstract
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°C. Amorphous ball milled powder was annealed to develop the TbCu7 type structure. The room temperature coercivity of SmCo6.5(ZrB2)0.033Ti0.4 is 2.1 T. The microstructure is stable at 400°C, where the coercivity is 0.5T.
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peer-reviewed
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Physics
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Rhen_effect_of_Zr.pdf
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Keywords
high temperature magnets, magnetic properties
ULRR Identifiers
https://researchrepository.ul.ie/handle/10344/540
 https://doi.org/10.34961/10085
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Funding Information
HITEMAG Project, EU Growth Program
Sustainable Development Goals
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Article
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https://creativecommons.org/licenses/by-nc-sa/1.0/
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