Terbium Metal is the important additive for NdFeB permanent magnets to raise the Curie temperature and improve temperature coefficiency. Another most promising use of distilled Terbium Metal, code 6563D, is in the magnetostrictive alloy TEFENOL-D. There are also other applications for some special master alloys.
Formula Tb
CAS No. 7440-27-9
Molecular Weight 158.93
Appearance Silvery
Stability Stable in air
Ductibility medium
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