采用粘结法制备了Sm1-xDyxFe2合金样品,测量了粘结合金样品的静态磁致伸缩、动态磁致伸缩系数、增量磁导率和磁-机械耦合系数,研究了磁致伸缩性能等随磁场H的变化规律.发现当x＜0.12时合金的低场磁致伸缩随x的增加而增加,高场磁致伸缩随x的增加而降低.棒状Sm0.88Dy0.12Fe2合金在H=200 kA/m时的磁致伸缩达405×10-6,磁-机械耦合系数和动态磁致伸缩系数分别达到0.34和1.28nm/A,因而粘结Sm0.88Dy0.12Fe2合金具有一定的实用价值.
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