Abstract
The temperature dependence of Young's modulus of Fe-Zr amorphous alloys prepared by melt quenching and high-rate sputtering techniques has been investigated. The ΔE effect is not so large compared with that of Fe-based amorphous alloys containing metalloids. Even above the Curie temperature, Young's modulus does not decrease with increasing temperature and the †E effect also appears. These peculiar phenomena are closely correlated with the magnetic clusters which are present above the Curie temperature. The paramagnetic temperature range where Young's modulus does not decrease becomes narrower with increasing Zr content. The softening in Young's modulus of the low Zr content alloys is observed below the Curie temperature at magnetic saturation.
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