对室温轧制变形和高压扭转变形过程中Pd40Ni40P20金属玻璃的结构变化进行了研究。室温轧制变形过程中Pd40Ni40P20金属玻璃系统保持了非晶结构,变形后样品的自由体积增加,热稳定性降低。室温轧制变形和随后的高压扭转变形处理使Pd40Ni40P20金属玻璃系统中产生了纳米晶化现象。%The effect of room temperature rolling and high pressure torsion deformation on the mlcrostructure of Pd40Ni40P20 metallic glass was investigated. It is found that the samples remain amorphous after room temperature rolling deformation, but the average free volume increases and the thermal stability decreases. Nanocrystallization appears in the Pd40Ni40P20 sample endured room temperature rolling deformation and subsequent high pressure torsion deformation.
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