The Effect of Addition of Silver on the Properties of Iron and Palladium System Alloy Magnet “Pallamagnet”

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  • Fe-Pd系合金磁石「Pallamagnet」の特性に対するAg添加の影響について
  • Fe Pdケイ ゴウキン ジシャク Pallamagnet ノ トクセイ ニ
  • The Effect of Addition of Silver on the Properties of Iron and Palladium System Alloy Magnet “Pallamagnet”

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Magnetic properties of Fe-Pd-Ag alloys containing 17∼47 at%Pd and 1∼30 at%Ag have been measured. The coercive force of the alloys increases with increasing silver content to 12%. The 59 at%Fe, 29 at%Pd and 12 at%Ag alloy tempered after water-quenching has a coercive force of 95.5 kA·m−1, a residual magnetic flux density of 1.04T and a maximum energy product of 43.0 kJ·m−3. Another alloy containing 58 at%Fe, 32 at%Pd and 10 at%Ag wire-drawn has a higher coercive force of 115.4 kA·m−1, a residual magnetic flux density of 0.90T and a maximum energy product of 41 kJ·m−3.<BR>It is considered that the high coercivity of the alloy is due mainly to the high magneto-crystalline anisotropy of γ1 phase dispersed in α phase.

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