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日本东北大学的渡边忠雄教授等人,开发出一种磁致伸缩系数比原来的铁系合金大10倍以上的钯-铁系超磁致伸缩合金材料。这种新超磁致伸缩合金材料是在铁中掺入了13%钯的合金,克服了原来的磁致伸缩材料因质脆而难以加工的缺点,新超磁致伸缩材料可望应用于微机和生物体。该合金材料是利用独创的方法(磁悬浮区熔法)制成的,试制出的13%钯-铁合金厚度
Professor Watanabe Watanabe of Tohoku University, Tokyo, Japan, developed a palladium-iron-based giant magnetostrictive alloy with a magnetostriction coefficient more than ten times that of the original iron-based alloy. The new giant magnetostrictive alloy material is alloy doped with 13% palladium in iron, which overcomes the defect that the original magnetostrictive material is difficult to be processed due to the brittleness. The new giant magnetostrictive material is expected to be applied to a microcomputer And organism. The alloy is made using the original method (magnetic levitation melting method), the trial of 13% palladium-iron alloy thickness