用铜模铸造法制备了Gd36La20Al24Co20块体非晶合金,并在其过冷液相区内不同温度及不同压力下进行了加压退火处理.通过XRD和DSC研究了加压退火处理对该非晶合金晶化行为及热稳定性的影响规律.结果表明,加压退火抑制了Gd36La20Al24Co20非晶合金的晶化过程,其晶化激活能E随退火压力的增加而增大,分析了相关的机理.
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