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采用吸铸法制备出直径3 mm的Ti40Zr25Ni8Cu9Be18块体非晶合金,并采用X射线衍射(XRD)、差示扫描量热(DSC)和透射电镜(TEM)研究了非晶合金试样的结构,同时,分别采用连续升温晶化方法和等温退火方法研究了怂该非晶合金的晶化动力学行为和晶化过程中的相转变.结果表明:该非晶合金的结构弛豫和晶化行为均具有显著的动力学特征,且具有较好的热稳定性,其过冷液相区宽度△Tx为54 K,一级晶化激活能ER1为213.04 kJ/mol;晶化过程为二级晶化反应,第1阶段晶化对应I相从非晶基体中析出,第2阶段的晶化反应则包括:I相转变为Laves相和Laves相从残余非晶基体中直接析出.

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