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在铜模铸造条件下制备了直径2.5 mm的Nd61Fe30Zn9块状非晶合金.在普通DSC条件下,没有观察到这种合金的玻璃转变温度,晶化温度为730 K,比Nd60Fe30Al10非晶合金的晶化温度低约70 K,因此该合金的热稳定性较低.熔化行为分析表明,合金Nd61Fe30Zn9的熔化过程为单峰吸热过程,且熔化区间仅为54 K,说明该合金的成分接近合金的共晶成分,但母合金的自然凝固组织不具有共晶凝固特点,表现为粗大的枝晶状组织.讨论了成分和组织对合金非晶形成能力的影响.

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