Sm‐Fe‐Ti magnets with room‐temperature coercivities above 50 kOe
作者:
K. Schnitzke,
L. Schultz,
J. Wecker,
M. Katter,
期刊:
Applied Physics Letters
(AIP Available online 1990)
卷期:
Volume 56,
issue 6
页码: 587-589
ISSN:0003-6951
年代: 1990
DOI:10.1063/1.103306
出版商: AIP
数据来源: AIP
摘要:
Using mechanical alloying and an additional annealing, we prepared bulk material of a new Sm20Fe70Ti10phase observed before only in sputtered films deposited in the amorphous state and then crystallized. Crystallization of rapidly quenched and partially amorphous ribbons leads to a two‐phase material with a considerable amount of this phase but with the Fe2Sm phase as a majority phase. This new phase (named 20:70:10 phase) has a Curie temperature of 380 °C and an estimated saturation magnetization of 6–7 kG. The magnetically isotropic, mechanically alloyed samples show room‐temperature coercivities of up to 50.3 kOe.
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